Number Of Exercise Repetitions Research Articles

RELATIONSHIP BETWEEN BURPEE TEST AND BODY COMPOSITION: A SAMPLE OF FEMALE UNIVERSITY STUDENTS

This study aimed to examine the relationship between the 30-second Burpee test and body composition and certain physical parameters in female students studying at the Social Sciences Vocational School, Special Security and Protection Program, Çankırı Karatekin University. Fifty volunteer students participated in the study, with an average age of 19.24±0.89 years, an average height of 164.66±5.94 cm, an average body weight of 60.94±4.44 kg, an average body fat percentage of 22.93±1.82%, and an average BMI of 25.92±2.68 kg/m2. The statistical analyses were performed using SPSS 23 (SPSS Inc., Chicago, IL, USA) software package. The variance homogeneity of the data was tested using Levene's Test, and the normal distribution analyses were conducted using the Shapiro-Wilk Test. Pearson Correlation Analysis was used for all parameter correlations. The significance level was set at p < 0.05. According to the findings of this study, which examined the relationship between the 30-second Burpee test and certain physiological parameters, the following results were obtained: a positive and statistically significant relationship was found between body mass and Burpee, height (cm) and standing long jump, body fat percentage (%) and sit-up test, as well as the number of exercise repetitions (p < 0.05). However, no statistically significant relationship was found between body composition and Flamingo balance, Assisted pull-up, and 10x5m tests (p > 0.05). In conclusion, the 30-second Burpee test can be beneficial for assessing strength endurance among physiological parameters, especially regarding body mass. Considering body composition, the statistically significant negative relationship between body weight and the 30-second Burpee (frequency) should be taken into consideration as a determining factor during test trials.

Mat Pilates improves lower and upper body strength and flexibility in breast cancer survivors undergoing hormone therapy: a randomized controlled trial (HAPiMat study)

Purpose To evaluate the effects of 24 weeks of Mat Pilates in breast cancer survivors (BCS) undergoing hormone therapy on lower and upper body muscle strength parameters and flexibility. Materials and methods Forty-three BCS (≥40 years) with confirmed breast cancer stage 0–III undergoing hormone therapy were included. Participants were randomized into Mat Pilates (three times/week, 60 min session) or control group (relaxation activities every two weeks). The difficulty and number of exercise repetitions were increased over the weeks. Assessments were performed at three times points (baseline, 12 weeks, and 24 weeks). The generalized estimating equations (GEE) model was used to compare each outcome measure during the analysis of intention to treat (ITT) and “Per protocol analysis” (PPA). Results The Pilates group presented significantly increased (p < 0.05) isometric flexor–extensor PT, and concentric and eccentric flexor PT and mechanical work (MW) after the intervention. Most of the upper body strength parameters, time to achieve maximal force (TFmax), maximal force (F max), and rapid force index (RFI) and right-left upper and lower body flexibility (p < 0.05) also improved. Conclusions From our findings, we conclude that 24 and 12-weeks of Mat Pilates induced strength and flexibility gains for lower and upper body, respectively. Implications for rehabilitation Mat Pilates can be adapted to the fitness level of breast cancer survivors, with a great variety of exercises that can be performed using a mat only or a few pieces of equipment. Patients can practice at home to gain different health benefits (i.e., increasing strength, flexibility, and functional capacity level), which could positively impact on quality of life. Mat Pilates performed three times per week with systematized increments in exercise level, load, and volume throughout the intervention was effective to improve hip extensor–flexor muscles peak torque and mechanical work at different muscle contractions, as well as upper and lower body flexibility. Mat Pilates was also able to improve right-left shoulder abductor and trunk extensor muscles strength parameters after 12 weeks of intervention, as well as both surgery and non-surgery sides of the upper body.

Exercise in virtual reality with a muscular avatar influences performance on a weightlifting exercise

Virtual Reality (VR) technology can be used to influence performance on endurance exercises. In this study, we focused on manipulating perception of own-body strength by exercising in VR as a muscular avatar. In this repeated-measure study, twenty-nine participants performed biceps curl exercise in a maximum repetitions protocol, up to exhaustion. The exercise was done either in VR as a muscular avatar, or without VR, in front of the mirror. Dependent variables were the number of exercise repetitions and self-reported exertion. We also controlled blood glucose level, perceived weight of the barbell and level of embodiment. Participants performed significantly more biceps curl repetitions in the VR condition (Z = -2.05, p &lt; .05) with an effect size of d = 0.36. The self-reported effort did not differ significantly between conditions. The results of this study may have an applied significance since number of exercise repetitions is an ecologically valid measure, directly relevant to real training protocols.

Feasibility of a Nurse-Led Weekend Group Exercise Program for People after Stroke.

Background. Additional physical activity including repetitive task practice can improve outcomes after stroke. The additional practice can be facilitated by therapists and family members or could also be delivered by nursing staff. Objective. To investigate the feasibility of a nurse-led weekend exercise program after stroke. Participants. Individuals after stroke, who participated in a weekend exercise program during their hospital admission. Methods. A retrospective audit of the number of referrals to and amount of exercise repetitions achieved in a nurse-led weekend exercise program was undertaken. The weekend exercise program occurs on each Saturday and Sunday for one hour. The repetitions of exercise completed during each class were documented by staff. An audit was conducted to ascertain the amount and type of exercise completed within the class. Results. During the study period 284 people were referred to the exercise program. The mean number of exercise repetitions completed per participant in each class was 180.7 (SD 205.4). The number of exercise repetitions completed by participants was highly variable ranging from 0 to 1190 per class. Conclusion. The amount of average exercise repetitions completed in the Weekend Warrior program was large but with significant variability. A nurse-led exercise class is a feasible method of delivering exercise opportunities to individuals in hospital after stroke.

MirrARbilitation: A clinically-related gesture recognition interactive tool for an AR rehabilitation system

Background and ObjectiveInteractive systems for rehabilitation have been widely investigated for motivational purposes. However, more attention should be given to the manner in which user movements are recognized and categorized. This paper aims to evaluate the efficacy of using a clinically-related gesture recognition tool, based on the international biomechanical standards (ISB) for the reporting of human joint motion, for the development of an interactive augmented reality (AR) rehabilitation system —mirrARbilitation. MethodsThis work presents an AR rehabilitation system based on ISB standards, which enables the system to interact and to be configured according to therapeutic needs. The KinectTM skeleton tracking technology was exploited and a new movement recognition method was developed to recognize and classify biomechanical movements. Further, our mirrARbilitation system provides exercise instructions while simultaneously motivating the patient. The system was evaluated on a cohort of 33 patients, physiotherapists, and software developers when performing shoulder abduction therapy exercises. Tests were performed in three moments: (i) users performed the exercise until they feel tired without the help of the system, (ii) the same however using the mirrARbilitation for motivation and guidance, and (iii) users performed the exercise again without the system. Users performing the movement without the help of the system worked as baseline reference. ResultsWe demonstrated that the percentage of correct exercises, measured by the movement analysis method we developed, improved from 69.02% to 93.73% when users interacted with the mirrARbilitation. The number of exercise repetitions also improved from 34.06 to 66.09 signifying that our system increased motivation of the users. The system also prevented the users from performing the exercises in a completely wrong manner. Finally, with the help of our system the users' worst result was performing 73.68% of the rehabilitation movements correctly. Besides the engagement, these results suggest that the use of biomechanical standards to recognize movements is valuable in guiding users during rehabilitation exercises. ConclusionThe proposed system proved to be efficient by improving the user engagement and exercise performance outcomes. The results also suggest that the use of biomechanical standards to recognize movements is valuable in guiding users during rehabilitation exercises.

Visual Surveillance for Movement Rehabilitation

Abstract The paper presents an attempt to create a system for visual surveillance for movement rehabilitation. The Delaunay triangulation was used as a key method for skeletonization of detected human silhouette. Also, the Hough transform was performed on skeletons of selected body parts in order to obtain slants of those body parts. Analysis of slant changes gives information of movement range, number of exercise repetitions and in general, to assessing correctness of performed exercises. The presented results show that - under some circumstances - it is possible to create visual system for such task.

Therapy Incorporating a Dynamic Wrist-Hand Orthosis Versus Manual Assistance in Chronic Stroke

The purpose of this study was to compare the effect of therapy using a wrist-hand orthosis (WHO) versus manual-assisted therapy (MAT) for individuals with chronic, moderate-to-severe hemiparesis. The relationship between the repetitions during therapy and functional change was also examined. Nineteen participants were randomly assigned to either the WHO group (n = 10) or the MAT group (n = 9). The WHO group performed therapy while wearing a dynamic WHO (SaeboFlex), the MAT group performed therapy with manual assistance of a therapist. Both groups participated in 1 hour of therapy per week for 6 weeks and were prescribed exercises to perform at home 4 days per week. Pre- and posttraining assessments included grip strength, the Action Research Arm Test (ARAT), Box and Blocks (B&B) test, and Stroke Impact Scale (SIS). There were no significant between-group differences for any of the measures. Within-group differences showed that the WHO group had a significant improvement in the ARAT score (mean = 2.2; P = 0.04). The MAT group had a significant improvement on the percent recovery on the SIS (mean = 9.3%; P = 0.03) and approached a significant improvement on the ARAT (mean = 1.4; P = 0.08). When analyzing all participants together, the relationship between the number of exercise repetitions and functional improvement was moderate for the ARAT and the B&B test (r = 0.55, P = 0.02, and r = 0.30, P = 0.10, respectively). Small improvements in function and perception of recovery were observed in both groups, with no definite advantage of the WHO. This study adds to the evidence that individuals with chronic stroke can improve arm use with therapy incorporating functional hand training, and that there is a relationship between amount of change and amount of practice.

The Acute Effects of Arginine Supplementation on Vasodilatation, Nitric Oxide Production and Muscle Performance

Nutritional supplements based on the amino acid arginine (Arg) have been used mainly by recreational resistance exercise trained subjects, under the claim that improvements will occur in muscle performance due to an increase on nitric oxide (NO) and on blood flow to muscles in exercise. However, NO supplementations studies have demonstrated controversial results in literature. PURPOSE: To evaluate the effects of supplementation with Arg on vasodilatation, NO production, and muscle performance in recreational resistance exercise (RE) trained man. METHODS: Sixteen subjects (18 - 29 years), randomly assign to 4 days of oral supplementation (3.2 - 9.6 g/day) of Arg or placebo (Pla) in a double blind crossover design, with washout of 2 weeks between phases. They were submitted to 3 sets of biceps curl with 65% of 1RM (maximum repetition) when blood lactate (LAC) and vascular parameters were measured by EcoDoppler on the right bracquial artery (arterial diameter - mean of longitudinal and transversal measures - AD, velocity time integral - VTI, peak systolic ventricular - PSV, vascular resistance - RI, systolic flow index - SFI), at rest, after occlusion, post-exercise biceps curl (1, 5 and 10 min). NO production was estimated by nitrite serum post exercise. The muscular performance and fatigue ratio were measured by the maximum number of repetitions in the 3 bout of exercise. RESULTS: Almost all vascular parameters (DA, PSV, VTI, SFI, RI) and LAC differed from the rest of other periods for both groups (P<0.05), although the SFI and RI did not differ from rest to post-occlusion on Pla and Arg group, respectively. The ANOVA with repeated measures showed no significant differences between Arg and Pla groups when compared the mean vascular parameters registered, except for AD on post-exercise 1 min (AD: PLA= 0.434 ± 0.035; Arg= 0.446 ± 0.036; p= 0.023). No effect of Arg was found in muscle performance from number of exercise repetitions, or LAC and NO production. The short period supplementation of oral Arg does not result in vascular changes, improvement in RE muscle performance, or increased production of NO. CONCLUSIONS: Although long-term studies are needed to better elucidate these mechanisms, our findings suggest no ergogenic effects of Arg supplementation in recreational resistance exercise trained men.

Materials-Based Occupation versus Imagery-Based Occupation versus Rote Exercise: A Replication and Extension

Historically, occupational therapists have embedded exercise within occupation to enhance performance. In a recent study Lang, Nelson, and Bush (1992) compared the effects of materials-based occupation (kicking a balloon), imagery-based occupation (imagining kicking a balloon), and rote exercise on the number of exercise repetitions performed. This study extends that study by measuring the vertical distance and speed of the movement by means of Motion Analysis, Inc. digitization of videotape, in addition to exercise repetitions. The subjects included 24 women and 4 men between 76 and 98 years of age residing in residential facilities. All of the subjects experienced the three conditions but in different orders. After a statistically significant analysis of variance across the three conditions (p&lt;.001), the Tukey procedure determined that the materials-based occupation condition elicited significantly more repetitions than the other two conditions. The difference between the imagery-based occupation and rote exercise was not statistically significant. Analyses of variance indicated no significant difference between conditions for both the vertical distance variable ( p=.074) and the speed variable ( p=.61).