Abstract
Background. Overweight and obesity are described as abnormal or excessive fat accumulation that can affect health (WHO, 2016). Aerobic exercise as a form of physical activity is highly recommended for people with overweight and obesity by reducing weight and fat mass (Lee, Oh, 2014). Furthermore, it has a positive effect on mental health (Said et al., 2017). The aim of the study was to determine the impact of four-week aerobic exercise on body composition and psycho-emotional status in obese women. Methods. Twelve obese women participated in moderate intensity aerobic training intervention (65–75% of max HR). Duration of the session was 60 min, 3 times per week. Measurements were taken twice: at the beginning and at the end of the study. Body composition was evaluated with “Tanita TBF-300” (UK Ltd., UK) analyzer: body weight (kg), BMI (kg/m2), percentage fat mass, fat mass (kg), fat free mass (kg), total body water (kg). Waist and hip circumferences were measured with a centimeter strip. To estimate psycho-emotional status we used Perceived Stress Scale 14 (PSS-14). Results. After aerobic exercise intervention, the body weight, fat mass, hip and waist circumferences were signifcantly reduced (p < 0.05). Changes in body mass index, lean body mass and waist-hip ratio were not statistically signifcant (p ≥ 0.05). During the study, the effect of aerobic exercise intervention on the psychoemotional state was evaluated and subjectively perceived stress decreased statistically signifcantly (p < 0.05). Conclusions. Aerobic exercise intervention for four weeks reduced body weight, fat mass, waist and hip circumference and improved psycho-emotional state in obese women.Keywords: aerobic exercise, physical therapy, overweight, body composition, stress.
Highlights
Overweight and obesity are described as abnormal or excessive fat accumulation that can affect health (WHO, 2016)
Buvo pastebėtas reikšmingas liemens ir klubų apimčių pokytis
The effect of aerobic exercise intervention on the psychoemotional state was evaluated and subjectively perceived stress decreased statistically significantly (p < 0.05)
Summary
Palyginus tiriamųjų kūno svorio duomenis prieš aerobines treniruotes ir po jų, tiriamųjų svorio vidurkis statistiškai reikšmingai sumažėjo 1,41 ± 1,0 kg (p < 0,05). Kad KMI vidutiniškai sumažėjo 0,97 ± 1,11 kg/m2, bet šis pokytis nebuvo statistiškai reikšmingas (p = 0,05). Kūno procentinės riebalų masės vidutinė reikšmė statistiškai reikšmingai sumažėjo 1,34 ± 0,78% (p < 0,05). Riebalinės masės kilogramais vidutinė reikšmė taip pat statistiškai reikšmingai sumažėjo 2,03 ± 1,41 kg (p < 0,05) (2 lent.). Liesosios kūno masės kiekis po aerobinių treniruočių vidutiniškai padidėjo nedaug – 0,63 ± 0,48 kg, todėl skirtumas nebuvo statistiškai reikšmingas (p > 0,05). Prieš treniruotes liesosios kūno masės vidutinė reikšmė buvo 53,14 ± 5,42 kg, po jų – 53,77 ± 5,90 kg. Bendras vandens kiekis organizme po tyrimo taip pat padidėjo 0,46 ± 0,35 kg, tačiau rezultatas nebuvo statistiškai reikšmingas (p > 0,05). Aerobinių pratimų intervencijos poveikis kūno kompozicijos rodikliams ir subjektyviai patiriamo streso vertinimui
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