Abstract
The level of physical activity (PA) and sedentary behavior (SED) off-training of young athletes may reveal the quality of recovery from training and highlight health related issues. Thus, the aim was to identify and describe young athletes’ PA and SED off-training, according to daily life activities. Eight athletes (15.7 ± 2 years, 1.72 ± 0.6 m height, 62.9 ± 10.2 kg) of a sport talent program wore on their waist a tri-axial accelerometer (ActiGraph® wGT9X-link, Shalimar, FL, USA) at 30 Hz for 15 consecutive days, and reported their schedule. A two-step cluster analysis classified three groups according to sedentary PA and MVPA. The Sedentary (56.9%), presented the highest sedentary PA (mean [CI], 37.37 [36.45–38.29] min/hour); The Hazardous (19.4%) had the lowest values of sedentary and MVPA (10.07 [9.41–10.36] min/hour and 8.67 [7.64–9.70] min/hour, respectively). Balanced (23.7%) had the highest MVPA (28.61 [27.16–30.07] min/hour). Sedentary had the lowest count of home time associated (20%) and higher school (26%) time when compared to the Hazardous (13%). The Balanced showed the highest count of school (61%) and home time (47%). Different profiles for young athletes revealed alarming behavior in the associations with sedentary PA, sitting and SED breaks, which may influence performance and health.
Highlights
Physical activity (PA) and sedentary behavior (SED) profiles of healthy [1,2,3] and clinic-conditioned youth [4,5], considering weekly variability, its influence on activity patterns [6,7], and socio-economic profiles [8], have recently pointed out that modern life is contributing to increased sedentariness and its hazardous outcomes
This study aimed to identify and describe young athletes’ level of physical activity (PA) and SED off-training and
This study aimed to identify and describe young athletes’ level of PA and SED off-training according to their usual activities schedule
Summary
Physical activity (PA) and sedentary behavior (SED) profiles of healthy [1,2,3] and clinic-conditioned youth [4,5], considering weekly variability, its influence on activity patterns [6,7], and socio-economic profiles [8], have recently pointed out that modern life is contributing to increased sedentariness and its hazardous outcomes. The World Health Organization (WHO) recommends children and adolescents to accumulate at least 60 min of moderate-to-vigorous physical activity (MVPA) daily to generate cardiovascular, neuromuscular and metabolic benefits [9]. Previous studies demonstrated independency between time spent in MVPA and SED by evidencing that people who accomplish the recommended MVPA levels, when compared to sedentary ones, do not present less SED time [10,11]. The time spent in MVPA and in sedentary. It is clear that the time spent in MVPA is associated with physical fitness of youths [1], while the time of SED can be associated with the risk of cardio metabolic diseases [12]. There is evidence of decline in the levels of habitual physical activity with an associated
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