Exercise Sessions Research Articles

Aerobic Training With Blood Flow Restriction on Muscle Hypertrophy and Strength: Systematic Review and Meta-analysis.

de Lemos Muller, CH, Farinha, JB, Leal-Menezes, R, and Ramis, TR. Aerobic training with blood flow restriction on muscle hypertrophy and strength: systematic review and meta-analysis. J Strength Cond Res 38(7): 1341-1349, 2024-Integrating strength and endurance training in a single exercise session, even on separate days, can be physically demanding and time-consuming. Therefore, there is a growing interest in identifying efficient training methods that can concurrently enhance cardiovascular and neuromuscular performance through a singular training modality. This study conducted a systematic review and meta-analysis to explore the effects of aerobic training with blood flow restriction (AT + BFR) on muscle hypertrophy and strength gains in healthy individuals. Our study was registered at PROSPERO and used multiple databases (PubMed, Embase, Scopus, and Web of Science), seeking clinical trials that examined AT + BFR influence on muscle hypertrophy and strength gains in individuals aged 18-60 years and comparing with aerobic training without BFR. The risk of bias and method quality were assessed using the ROB2.0 tool and PEDro scale, respectively, and the quality of evidence was evaluated with the GRADE method. A random-effects model was used for meta-analysis, and standardized mean difference (SMD) was calculated for each outcome. Of 4,462 records, 29 full texts were assessed for eligibility, with 7 articles meeting the inclusion criteria. The results indicated that AT + BFR was more beneficial for inducing muscle hypertrophy than aerobic training without BFR (SMD [95% CI] = 0.86 [0.37-1.35]; I2 = 42%). Furthermore, AT + BFR was associated with greater improvements in muscle strength (SMD [95% CI] = 0.41 [0.10-0.72]; I2 = 0%). Despite the generally high risk of bias for both outcomes, these encouraging findings underscore the clinical significance of AT + BFR as a compelling tool for enhancing neuromuscular parameters.

No Effect of Interset Palm Cooling on Acute Bench Press Performance, Neuromuscular or Metabolic Responses, Following Moderate-Intensity Resistance Exercise.

McMahon, G. No effect of interset palm cooling on acute bench press performance, neuromuscular or metabolic responses, following moderate-intensity resistance exercise. J Strength Cond Res 38(7): 1213-1220, 2024-Despite the growing literature in high-intensity exercise regarding palm cooling, the acute effects of palm cooling on exercise performance indices, neuromuscular and metabolic responses, have not been described during moderate-intensity resistance exercise. Nine (age, 22 ± 1 year; mass, 80.8 ± 16.2 kg; height, 1.80 ± 0.11 m) healthy, male (n = 7) and female (n = 2) resistance-trained subjects performed 4 sets of bench press to failure at 60% 1 repetition maximum with 3-minute passive recovery. Subjects were randomly allocated to either the cooling (COL; 2 minutes of cooling at 10 °C) or the control (passive rest; CON) condition separated by 1 week between the conditions. Exercise performance (volume load, repetitions, barbell velocity), muscle activation, blood lactate, and rate of perceived exertion were assessed. Despite changes across the variables during the resistance exercise sessions, there were no statistical differences (p > 0.05) in any of the performance, neuromuscular or physiological responses, between the 2 experimental conditions, despite palm temperature being significantly (p < 0.001) reduced in the cooling condition compared with control throughout. Therefore, based on the results of this study, palm cooling does not enhance acute moderate-intensity resistance exercise.

Relationships between endurance exercise training-induced muscle fiber-type shifting and autophagy in slow- and fast-twitch skeletal muscles of mice.

Endurance exercise induces muscle fiber-type shifting and autophagy; however, the potential role of autophagy in muscle fiber-type transformation remains unclear. This study examined the relationship between muscle fiber-type shifting and autophagy in the soleus (SOL) and extensor digitorum longus (EDL) muscles, which are metabolically discrete muscles. Male C57BL/6J mice were randomly assigned to sedentary control (CON) and exercise (EXE) groups. After 1 week of acclimation to treadmill running, the mice in the EXE group ran at 12-15 m/min, 60 min/day, 5 days/week for 6 weeks. All mice were sacrificed 90 min after the last exercise session, and the targeted tissues were rapidly dissected. The right side of the tissues was used for western blot analysis, whereas the left side was subjected to immunohistochemical analysis. Endurance exercise resulted in muscle fiber-type shifting (from type IIa to type I) and autophagy (an increase in LC3-II) in the SOL muscle. However, muscle fiber-type transformation and autophagy were not correlated in the SOL and EDL muscles. Interestingly, in contrast to the canonical autophagy signaling pathways, our study showed that exercise-induced autophagy concurs with enhanced anabolic (increased p-AKTSer473/AKT and p-mTOR/mTORSer2448 ratios) and suppressed catabolic (reduced p-AMPKThr172/AMPK ratio) states. Our findings demonstrate that chronic endurance exercise-induced muscle fiber-type transformation and autophagy occur in a muscle-specific manner (e.g., SOL). More importantly, our study suggests that endurance training-induced SOL muscle fiber-type transition may underlie metabolic modulations caused by the AMPK and AKT/mTOR signaling pathways rather than autophagy.

The Effects of High-Intensity Interval Training (HIIT) on Ovarian Function and Fertility Potential in Women

Background: High-Intensity Interval Training (HIIT) has recently been recognized as one of the regimens encompassing various benefits for maintaining health across diverse populations. It is based on intense exercise with brief periods of rest or low-intensity activity, offering a time-efficient approach that appeals to individuals seeking maximal benefits with minimal time commitment. Methodology: Women aged 18-40 years with regular menstrual cycles and sedentary or moderately active lifestyles attending outpatient physiotherapy clinics in Lahore were divided into HIIT groups which engaged in supervised sessions for 4 days/week for 12 weeks, performed alternating periods of high-intensity exercise on a stationary bike for 1 minute with periods of active recovery for 30 seconds at 80-90% THR. Participants in the control group performed supervised aerobic exercise sessions 5 days/week for 12 weeks and performed moderate-intensity continuous exercises on a stationary cycle at 70-75% THR for 30 minutes. The hormonal markers and the regularity of menstruation were assessed at baseline and post-intervention. Results: Within-group analysis showed a notable increment in the level of estradiol and progesterone in both groups (p&lt;0.05). Between-group analysis also exposed the HIIT group as being superior to the aerobic. (p&lt;0.001). Conclusion: The findings of the study demonstrated the effectiveness of HIIT and aerobic exercise in impacting the hormonal markers and the regularity of menstruation among obese women. Although, the HIIT showed greater efficacy in improvising estradiol and progesterone levels and reducing menstrual cycle length. Keywords: Aerobic Exercise, Fertility, Interval Training, Obesity.

The Impact of Core Stability Exercises on Weight Loss and Body Composition among Obese Patients

Background: While the advantages of core stability exercises for overall fitness and injury prevention are well-established, further research is needed to understand their impact on weight reduction and body composition in the obese population. Hence, the present study aims to determine the effects of core stability exercises on weight loss, BMI and body composition measures among obese individuals. Methods: This pre-post intervention design involved adults aged 18-40 years with BMI ≥ 30 kg/m² engaged in a supervised core stability exercise program for 12 weeks. The exercise sessions occurred thrice weekly, each lasting approximately 40 minutes. Results: After 12 weeks of intervention, a pre-post comparison was performed which revealed a significant mean difference (p&lt;0.05) in all the outcome measures. The value of BMI was reduced to 27.53±2.56, weight to 75.25±3.34, BF% to 30.14±1.56 and WHR to 0.85±0.56. Conclusion: The study found that 12-week core stability exercises significantly decreased weight, BMI, BF%, and WHR in an obese group. The planned and focused nature of the exercises resulted in improved body composition and weight loss. Thus, these exercises in regular fitness routines can be an effective strategy for reducing obesity and enhancing overall health. Keywords: Body Fat, Body Mass Index, Exercises, Obesity.

Effectiveness of Virtual Reality on Rehabilitation of Chronic Non-Specific Low Back Pain Patients.

Virtual reality (VR) is used extensively for musculoskeletal conditions, but its efficacy in chronic low back pain still needs more investigation. To discuss the effectiveness of VR on selected outcomes in Chronic Non-Specific Low Back Pain (CNSLBP). Thirty-five patients with CNSLBP joined this study. Postural correction exercises using the TBed VR gaming system in addition to hamstring stretching were employed, and moist heat on the low back was applied. Pre- and post-intervention values of pain, ROM, function, and balance (overall stability index) were obtained using the numerical rating pain scale (NPRS), Oswestry Disability Index, back range of motion (BROM), and Biodex system. Satisfaction level on a 1-10 scale and the degree of commitment to the exercise sessions were assessed after the intervention. The patients completed the intervention period and outcome measures sessions. Paired t-tests reported statistically significant improvements and high effect size in pain, ROM, function, and balance after the end of the treatment (p < 0.001, Cohen's d > 0.69). The level of satisfaction was 9.25 ± 0.766, and the commitment to exercise sessions was high (98.75% attendance rate). Applying postural correction using TBed VR gaming in addition to heat and stretching may improve pain, range of motion, function, and balance in patients with chronic low back pain.

Does the Effect of Mental Fatigue Created by Motor Imagery on Upper Extremity Functions Change with Diaphragmatic Breathing Exercises? A Randomized, Controlled, Single-Blinded Trial.

Background and Objectives: This study focused on the impact of mental fatigue induced by motor imagery on upper limb function, an area with limited research compared to lower limb performance. It aimed to explore how diaphragmatic breathing exercises influence these effects. Materials and Methods: This study included 30 participants, and Group 1 participated in 12 sessions of diaphragmatic breathing exercises under the supervision of a physiotherapist; Group 2 did not receive any intervention. For all the participants, mental fatigue was induced with motor imagery before and after the intervention, and evaluations were performed before and after mental fatigue. Upper extremity functions were evaluated using isometric elbow flexion strength, hand grip strength, upper extremity reaction time and endurance, finger reaction time, the nine-hole peg test, shoulder position sense, light touch-pressure threshold, and two-point discrimination. Results: The study results showed that after mental fatigue, there was a decrease in isometric elbow flexion strength, nondominant hand grip strength, and nondominant upper extremity endurance, and an increase in nondominant tactile sensation (p < 0.05). No changes were found in two-point discrimination, nine-hole peg test time, and position sense on either side (p > 0.05). The effect of mental fatigue on isometric elbow flexion strength and nondominant grip strength showed significant improvement following diaphragmatic breathing exercises (p < 0.05). Conclusions: This study found that mental fatigue from motor imagery can impact elbow flexion, hand grip strength, upper extremity endurance, and tactile sensitivity. Breathing exercises may help improve strength parameters affected by mental fatigue. It is crucial to consider these effects on upper extremity functions in rehabilitation programs.

Pain, Function and Trunk/Hip Flexibility Changes Immediately after Clinical Pilates Exercises in Young Adults with Mild Chronic Low Back Pain

Background: Pilates is among the best conservative management strategies for chronic low back pain. However, several variations of Pilates exist. This study aimed to investigate physical measures that would detect immediate changes after a brief session of Clinical Pilates exercises. Changes in self-reported clinical outcomes, pain and function were also evaluated. Methods: A prospective cohort study was conducted. Eighteen young adults with chronic low back pain participated in this study. Participants were assessed for pain and function subjectively, and hip/knee strength and trunk/hip flexibility objectively, followed by a session of Clinical Pilates assessment and exercises. After the exercises, the participants were immediately reassessed for pain, function, strength, and flexibility. Results: Trunk/hip flexibility showed statistically significant changes after exercise, which were measured with the sit-and-reach test (−3.44 cm, 95% CI [−5.10, −1.79], p &lt; 0.001) and the finger-to-floor test (−6.29 cm [−9.51, −3.06], p = 0.001). Statistical significance was not found in detecting strength changes in hip extension, hip abduction, and knee extension. Changes in pain (1.56 points [0.83, 2.28], p &lt; 0.001) and patient-specific functional scale (−1.52 points [−1.93, −1.10], p &lt; 0.001) were also found after exercise. Conclusions: Trunk/hip flexibility measures detected physical changes after Clinical Pilates exercise, as well as self-reported pain and function outcomes, without reducing strength performance.

Caffeine Boosts Weight-Lifting Performance in Rats: A Pilot Study.

Caffeine is a well-described ergogenic aid used to enhance athletic performance. Using animal models can greatly increase our understanding of caffeine's mechanisms in performance. Here, we adapted an animal weight-lifting exercise model to demonstrate caffeine's ergogenic effect in rats. Male Wistar rats (315 ± 35 g) were randomly divided into two groups: one group received 5 mg·kg-1 of caffeine (0.5 mL; CEx; n = 5) and the other 0.9% NaCl (0.5 mL; PEx; n = 4) through an orogastric probe (gavage) one hour before exercise. Weight-lifting exercise sessions were performed over three subsequent days, and the number of complete squats performed was counted. Analyses of the area under the curve in all three experiments showed that the CEx group responded more to stimuli, performing more squats (1.7-, 2.0-, and 1.6-fold; p < 0.05) than the control group did. These three days' data were analyzed to better understand the cumulative effect of this exercise, and a hyperbolic curve was fitted to these data. Data fitting from the caffeine-supplemented group, CEx, also showed larger Smax and Kd (2.3-fold and 1.6-fold, respectively) than the PEx group did. Our study demonstrated an acute ergogenic effect of caffeine in an animal weight-lifting exercise model for the first time, suggesting potential avenues for future research.

A 12-week Taijiquan practice improves balance control and functional fitness in fall-prone postmenopausal women.

Falls are the leading cause of accidental death among older persons, with postmenopausal women facing a greater hazard of falling due to osteoporosis. This study aimed to examine the effects of Taijiquan practice on balance control and functional fitness in at-risk females. Chinese women who self-reported a tendency to fall and had a baseline one-leg stand test time (4.1 s in the Taijiquan group) below the national average for their age group (60-64 years: 10.9 s, 65-69 years: 9.9 s) were assigned to either a control group (n = 26, mean age = 63.9 years) or a Taijiquan group (n = 24, mean age = 63.9 years). The Taijiquan group participated in a 12-week supervised intervention, while the control group maintained their daily activities. The average duration of each exercise session was 52 min. Static balance and functional fitness were assessed at the beginning and end of the intervention. After 12 weeks, the Taijiquan group significantly outperformed the control group in terms of balance, flexibility, and muscular fitness (all p < 0.05). Participants in the Taijiquan group improved their one-leg stand by 61.0% (+2.5 s, Hedge's g = 0.85), arm curl by 8.3% (+1.7 repetitions, g = 0.53), handgrip strength by 8.3% (+1.9 kg, g = 0.65), and sit-and-reach by 163.2% (+6.2 cm, g = 1.17). The improvement in balance, coupled with other functional fitness benefits, suggests that Taijiquan could serve as a useful exercise for older women with an elevated risk of falling.

Subacute behavior of glucose and blood pressure of type 1 diabetic people after strength exercise session: Study protocol

Background: Type 1 Diabetes Mellitus (DM1) is characterized as a severe insulin deficiency resulting from the destruction of beta cells in the pancreas, associated with autoimmunity. The clinical picture of a patient with DM1 includes symptoms such as abnormal thirst, dry mouth, sudden weight loss, frequent urination, lack of energy, tiredness, constant hunger and blurred vision. Systemic arterial hypertension (SAH) is characterized by high levels of pressure in the arteries, being associated with risk factors for coronary artery disease; cerebrovascular accident (CVA); myocardial infarction; heart failure and kidney failure. Regular physical activity in these patients is associated with a reduced risk of future cardiovascular disease, better long-term glycemic control, better cardiovascular fitness, better quality of life, reduced daily insulin requirements and better weight control. Furthermore, it plays an important role in the primary and secondary prevention of diabetes cardiovascular disease, improving general health and well-being. Objective: The present study aims to evaluate the effects of strength training on glycemic parameters after an exercise session, in adult type 1 diabetic individuals, through a randomized controlled clinical trial. Methodology: The sample will be made up of 30 participants with DM1, made up of men and women based on the inclusion/exclusion criteria. Discussion: Practicing physical activity reduces the need for hypoglycemic drugs, also improves metabolic control and helps obese patients lose weight, reducing the risk of cardiovascular diseases and improving the quality of life of these patients. The practice of strength and aerobic training as a non-drug treatment is systematically found in the literature as a fundamental strategy for reducing systemic arterial hypertension and maintaining the cardiovascular system. Both resistance exercise and Pilates are effective for individuals with type 1 diabetes, improving metabolic and clinical control, especially when combined with adequate nutrition and amino acid supplementation. Physical activities reduce the need for hypoglycemic medications, help with weight loss and reduce the risk of cardiovascular diseases. Regular exercise, especially intermittent, significantly reduces the risk of acute hypoglycemia. Furthermore, it improves HDL and LDL levels, essential for reducing cardiovascular risks. Strength and aerobic training are essential for controlling high blood pressure and improving quality of life, with three weekly sessions being recommended for satisfactory results.

Efficiency of interval hypoxia-hyperoxytherapy in the rehabilitation of patients with nonspecific musculosceletal low back pain: results of а randomized placebo-controlled study

BACKGROUND: Considering the high prevalence and social significance of nonspecific musculoskeletal lower back pain, the use of innovative non-drug rehabilitation methods, particularly interval hypoxia-hyperoxytherapy, is relevant. AIM: To evaluate the efficiency of the interval hypoxia-hyperoxytherapy in the complex medical rehabilitation of patients with nonspecific musculoskeletal lower back pain. MATERIALS AND METHODS: This randomized placebo-controlled study enrolled 62 patients (male, n=35; female n=27, aged 34–63 years) with nonspecific musculoskeletal lower back pain. All patients were randomized into two groups. The study group (n=34) received 10 procedures of hypoxia–hyperoxytherapy, and the comparison group (n=28) received 10 placebo procedures of breathing therapy. All groups underwent a 2-week standard rehabilitation program: 10 procedures of low-intensity laser therapy and low-frequency electrostatic therapy and 10 group sessions of physical exercises. The study group was breathing hypoxic (FiO2 13%–15%) and hyperoxic (FiO2 up to 40%) gas mixture through a mask in the interval mode using “ReOxy.” The duration of 1–4 procedures was 30 min and 5–10 procedures took 40 min. The placebo procedures were performed using masks with atmospheric air hole. Rehabilitation diagnosis by domains b28013, b7303, b7600, and d4500 of the International Classification of Functioning, Disability and Health (ICF), back pain and general health on a 100-mm visual analog scale, Lequesne index, 10-m walking test, Spielberger–Khanin reactive anxiety test, and Beck depression inventory were evaluated at baseline and week 2. RESULTS: After 2 weeks the values of the qualifiers of ICF domains significantly improved in the study group, back pain decreased by 65.2% (р 0.01), the Lequesne index by 76.1% (р 0.01), the 10-m walking test by 42.4% (р 0.05), the reactive anxiety level by 50.5% (р 0.01), and depression symptoms by 69.7% (р 0.01), whereas the general health improved by 71.2% (р 0.01), with statistically significant differences from the comparison group in all parameters (р 0.05). CONCLUSION: 2-week rehabilitation program, including interval hypoxia-hyperoxytherapy, reduces back pain and improves rehabilitation diagnosis based on the ICF, general health, functional status and psychoemotional state in patients with nonspecific musculoskeletal lower back pain.

Visual environment in schools and student depressive symptoms: Insights from a prospective study across multiple cities in eastern China

ObjectiveTo investigate the effects of the school visual environment on depressive symptoms in children and adolescents based on cohort study in eastern China. The school visual environment-related indicators included in this study comprise personal factors (visual impairment) and school-related factors (classroom lighting, school green spaces and school air quality). MethodThe follow-up cohort comprises 15,348 students from 283 primary and secondary schools in eastern China. This represents the one-year outcomes of a school-based myopia-mental health cohort study. Data collection includes basic demographics (age, gender, region, etc.), physical examination indicators, behavioral indicators, and school visual environment-related indicators. ResultAfter a one-year follow-up, we found that compared to the more severe vision impairment group (≤4.0), healthy vision group (≥5.0) had a positive effect against the occurrence of depressive symptoms during consecutive follow-ups, with an RR value of 0.61 (95% CI: 0.57–0.66). Higher values of blackboard illumination appear to be associated with greater positive effects, with an RR (Q75%∼Q100% range) value of 0.87(95% CI: 0.81–0.93). School green spaces seem to exhibit relatively good positive effects when in the Q25%∼Q75% range. The combination of physical activity (Weekly high-intensity exercise) with school air quality(PM2.5≤50%)showed a better positive effect, with an RR value of 0.51(95%CI:0.48–0.55). ConclusionWhen addressing students' depressive symptoms, it is crucial to improve the visual environment both at the school level and in students' personal level. Paying appropriate attention to modifiable behaviors, like regular participation in high-intensity exercise sessions, can help alleviate students' depressive symptoms.

To Treat or not to Treat? The Fate of Patients with Intermittent Claudication Following Different Therapeutic Options.

Peripheral artery disease (PAD) is recognized as a significant contributor to the public health burden in the cardiovascular field and has a significant rate of morbidity and mortality. In the intermediate stages, exercise therapy is recommended by the guidelines, although supervised programs are scarcely available. This single-center observational study aimed to evaluate the long-term outcomes of patients with PAD and claudication receiving optimal medical care and follow-up or revascularization procedures or structured home-based exercise. The records of 1590 PAD patients with claudication were assessed at the Vascular Surgery Unit between 2008 and 2017. Based on the findings of the recruitment visit, patients were assigned to one of the three following groups according to the available guidelines: Revascularization (Rev), structured exercise therapy (Ex), or control (Co). The exercise program was prescribed at the hospital and executed at home with two daily 10-minute interval walking sessions at a pain-free speed. The number and date of deaths, all-cause hospitalizations, and peripheral revascularizations for 5 years were collected from the Emilia-Romagna regional database. At entry, 137 patients underwent revascularization; 1087 patients were included in the Ex group, and 366 were included in the Co group. At baseline, patients in the Rev group were significantly younger and had fewer comorbidities (p 0.001). A propensity score matching analysis was performed, and three balanced subgroups of 119 patients were each created. The mortality rate was significantly (p 0.001) greater in the Co (45%) group than in the Rev (11%) and Ex (11%) groups, as was the incidence of all-cause hospitalizations (Co: 95%; Rev 56%; Ex 60%; p 0.001). There were no differences in peripheral revascularizations (Co: 19%; Rev: 17%; Ex 11%). In PAD patients with claudication, both revascularization procedures and structured home-based exercise sessions are associated with better long-term clinical outcomes than walking advice and follow-up only.

Association between Lifestyle Factors and Body Mass Index among Medical Technology/Medical Laboratory Science Students at the University of Mindanao, Philippines: A Cross-Sectional Study

This study investigates the factors influencing the Body Mass Index (BMI) status of Medical Technology/Medical Laboratory Science students at the University of Mindanao, Davao City, Philippines. Using a quantitative and descriptive design approach, 185 respondents were sampled using stratified and convenience sampling methods. The analysis included Frequency, Mean, Standard Deviation, and Ordinal Logistic Regression to assess diet, exercise, and pressure status as regressors of BMI. Findings reveal that respondents' age ranges from 17 to 24 years, with a mean BMI of 20.55, indicating normal weight status. First-year students predominantly participated, with more females than males. Most regularly consume breakfast, spend 6 to 10 minutes on meals, and engage in exercise sessions of less than 30 minutes, predominantly 1 to 3 times a week. Further, most respondents use mobile devices for 4 to 6 hours, and most prefer bedtimes from before 11:00 pm to 12:00 midnight. The final model highlights mealtime spent, exercise duration, and bedtime as significant regressors for BMI, emphasizing their association with lifestyle factors. These findings underscore the importance of academic institutions offering Medical Technology/Medical Laboratory Science courses to address obesity factors. Implementing awareness programs can empower students to make informed lifestyle choices.

Adherence to physical exercise program in patients with hypertension

The study aims to assess adherence to a physical exercise program in patients with hyper-tension. 120 hypertensive patients were included in a 3-month physical exercise program (first 2 weeks, 10 daily sessions, under the supervision of a physical therapist in a rehabili-tation center, continued at home, 5 sessions per week). After the 3-month exercise program 108 patients completed an adherence questionnaire. All patients considered the physical exercise program important for their physical health; 82% of them also considered the program important for their mental health. 94% of patients admitted as necessary to con-tinue the physical exercise program after the end of the study. The lowest percentages of patients (47%) admitted the fitting of the physical exercise sessions performed in a rehabil-itation center with their daily program. Adherence to a 3-month physical exercise was beneficial for physical and mental health status of patients with hypertension. The pro-moting factors for a good adherence to rehabilitation were involvement and availability of patients, living in the city or nearby villages, free of charge exercise sessions and quality of physical therapy. The assessment of adherence by an easy-to-use tool can provide im-portant data for adapting the rehabilitation program to patients’ need and expectations. Keywords: hypertension; physical exercise; adherence.

The PAD-adapted 30-20-10 during Nordic walking: A new exercise training session in patients with symptomatic peripheral artery disease.

This study aimed to investigate the feasibility of a peripheral artery disease (PAD)-adapted 30-20-10 Nordic walking session in patients with symptomatic PAD and to compare the cardiovascular response of this new training session to a traditional walking (TW) and 4 × 4 minutes Nordic walking session. This is a prospective observational study. Patients with Fontaine stage II PAD were included. Patients participated in Nordic walking sessions, which were randomly assigned as TW, 4 × 4 minute intervals, and peripheral artery disease adapted 30-20-10 exercise session (PAD-adapted 30-20-10 sessions). PAD-adapted 30-20-10 and 4 × 4 minutes sessions consisted of 4 repetitions of 4 minutes of effort followed by 3 minutes of passive recovery. PAD-adapted 30-20-10 session was characterized by 4 continuous 1-min repetitions at 3 different walking speeds [high (30 seconds), moderate (20 seconds) and low (10 seconds)]. During the 4 × 4 minutes session, patients were asked to cover the maximal distance at a constant speed. During TW session, patients were asked to walk at a speed inducing moderate-to-severe claudication pain. Heart rate, rating of perceived exertion (RPE) and claudication pain intensity using a visual analog scale were assessed. The perceived enjoyment of each session was assessed using a visual analog scale ranging from 0 (not enjoyable) to 10 (very enjoyable). Eleven patients with chronic symptomatic PAD were included (62 ± 13 years; 54% women). The mean heart rate during the time of effort was significantly higher in PAD-adapted 30-20-10 group than in 4 × 4 minutes and TW groups (127 ± 12, 122 ± 12, 114 ± 11 bpm, respectively; P ≤ .001). The mean rating of perceived exertion (16 ± 1, 15 ± 1, 13 ± 1; P ≤ .001) and claudication pain intensity (8 ± 1, 7 ± 1; 7 ± 1 mm; P ≤ .019) were significantly higher during PAD-adapted 30-20-10 sessions than during 4 × 4 minutes and TW sessions. The perceived enjoyment was similar among sessions (8.7 ± 1.6 for TW, 8.6 ± 1.7 for 4 × 4 minutes, and 8.8 ± 1.8 mm for PAD-adapted 30-20-10 sessions; P = .935). The PAD-adapted 30-20-10 session is feasible and induces higher cardiovascular stimulation and claudication pain than 4 × 4 minutes and TW procedures in patients with symptomatic PAD. Despite these different responses, a similar perceived enjoyment among the sessions has been shown. Future investigations are needed to examine the effects of this new training session in these patients.

Development of psychological resilience in children and adolescents through physical exercises and games

The article presents a study of the impact of physical exercises and team sports games on the development of psychological resilience in children aged 9-11 and adolescents aged 12-14. Psychological resilience is an important factor for the successful development of a personality, helping children and adolescents to cope with difficulties, maintain emotional stability, develop social skills and adapt to new conditions. Two groups of children were selected for the study: the first group included 50 children aged 9-11, and the second group included 50 teenagers aged 12-14. The study was conducted in four stages: baseline assessment, intervention, final assessment, and analysis of results. Assessment methods included standardized questionnaires (Emotional Stability Scale (ESS), Self-Confidence Scale (SCS), Social Skills Scale (SSS), and Adaptive Capacity Scale (ACS)), interviews with children, and observation. The baseline assessment allowed us to determine the initial level of psychological resilience of each child. The intervention lasted for 8 weeks and included daily exercise sessions lasting 30 minutes and twice-weekly training and competitions in team sports (football, basketball, and volleyball). At the end of the intervention, a final assessment was conducted to determine changes in psychological resilience. The results of the study showed a significant improvement in all criteria of psychological resilience in both groups. In children aged 9-11, emotional stability increased by 20%, self-confidence by 20%, social skills by 20%, and adaptability by 20%. In adolescents aged 12-14, the improvements were even more pronounced: emotional stability increased by 23%, self-confidence by 22%, social skills by 22%, and adaptability by 23%. The analysis of the results confirmed that physical exercises and team sports games contribute to a significant improvement in psychological resilience in children and adolescents. In particular, children became more emotionally stable, more confident, developed their social skills and increased their ability to adapt. These changes are important for their further development and successful socialization.

Individual variability and consistency of post-exercise energy and macronutrient intake, appetite sensations, and food reward in healthy adults

Limited evidence is available about the variability of appetitive responses within individuals after an acute bout of exercise. The present study aimed to assess the consistency and individual variability of post-exercise appetitive responses in healthy individuals. Twenty participants (10 females, 23.9 ± 4.1 years, 22.5 ± 2.0 kg m−2) joined the laboratory to perform four sessions separated by a minimum of 5 days: i) a control session with a rest period before and an ad libitum lunch (REST), and ii) three identical exercise sessions (EX) with a 30-min moderate-intensity (60–70% of predicted maximal heart rate) walking bout ending 25 min before the ad libitum lunch. Subjective appetite sensations were assessed before and after the meal at regular intervals, and satiety quotients were calculated. Food reward was assessed by the Leeds Food Preference Questionnaire before and after lunch. For each EX session, the difference with the REST session was calculated (Δ = EX – REST). Energy and macronutrient intake were consistent in response to exercise (all intraclass correlation coefficients (ICC) > 0.8) while results showed that post-exercise subjective appetite sensations and satiety quotients varied across the three EX sessions (almost all ICC < 0.7). Food reward was overall consistent in response to exercise before the test meal but not after. When considering the changes (Δ), the results showed no or poor consistency for most of the appetitive outcomes. To conclude, energy and macronutrient intake, as well as pre-meal food reward, are consistent after exercise in healthy individuals, while subjective appetite sensations are not stable within individuals across the sessions. Regarding the variations from REST to EX sessions, the results suggest that the individual changes observed are only random day-to-day variations.

Menstrual cycle status does not impact exercise-based changes in cerebral blood flow or executive function benefits

ABSTRACT A single bout of exercise enhances executive function (EF) and may relate to an increase in cerebral blood flow (CBF). A limitation in the current literature is that biologically female participants are underrepresented given some evidence that changes in hormone levels across the menstrual cycle impact physiological and psychological variables. Here, biologically female participants completed separate single bouts of moderate intensity exercise (80% of estimated lactate threshold) during the follicular (FOL) and luteal (LUT) phases of their menstrual cycle. In addition, biologically male participants completed a same duration/intensity exercise session. Middle cerebral artery velocity (MCAv) was used to estimate CBF and pre- and postexercise EF was assessed via the antisaccade task. Results showed that resting MCAv was larger in the LUT than FOL phase; however, the exercise-mediated increase in MCAv was equivalent between menstrual cycle phases, and between female and male participants. Antisaccade reaction times reliably decreased from pre- to postexercise and frequentist and non-frequentist statistics demonstrated that the magnitude of the decrease was equivalent across FOL and LUT phases, and between female and male participants. Thus, results evince that menstrual cycle status should not serve as a basis limiting biologically female participants’ inclusion in research examining exercise and EF.