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Background <p>Elite athletes are highly sedentary outside of sports and must stay active after retiring to remain healthy. While sports are often recommended to improve physical activity, the effect of sport training day on daily physical activity levels in adolescent athletes is not well described. The purpose was to assess (1) physical activity (i.e., step counts and activity score [METs]) and (2) sedentary behavior (e.g., total duration and prolonged [&gt; 1 h] bouts) in male and female adolescent athletes across different training days (i.e., competition, practice, and rest days).</p> Methods <p>Adolescent basketball and volleyball athletes wore an accelerometer continuously for 14 consecutive days while in-season. Training days (i.e., competition, practice, and rest days) were tracked for each athlete. In-person testing included anthropometrics, vertical jump height, and body composition via bioelectrical impedance.</p> Results <p>Thirty-nine athletes (15.6 ± 0.9 years; <i>n</i> = 24 female, <i>n</i> = 15 male) participated. Athletes were more physically active on competition and practice days (step count [mean ± SD]: competition: 13,021 ± 2,572, practice: 11,735 ± 1,875, rest: 6,742 ± 3,150 [<i>p</i> &lt; 0.001]); activity score [METs]: competition: 35.6 ± 1.0, practice: 34.7 ± 0.9, rest: 33.0 ± 1.3 [<i>p</i> &lt; 0.001]). Athletes had high total sedentary behavior across all training days (competition: 570.4 ± 89.3&#xa0;min, practice: 619.5 ± 74.6&#xa0;min, rest: 638.5 ± 90.8&#xa0;min [<i>p</i> = 0.001]), but the greatest prolonged bouts of sedentary behavior on competition days (competition: 195.4 ± 100.9&#xa0;min, practice: 115.9 ± 74.0&#xa0;min, rest: 144.6 ± 96.2&#xa0;min [<i>p</i> = 0.002]).</p> Conclusion <p>Adolescent athletes were highly active on competition and practice days but did not meet physical activity guidelines on rest days, achieving only ~ 6,700 steps/day. Athletes were highly sedentary across all training days, averaging ~ 10&#xa0;h/day of waking sedentary behavior. Only a third met physical activity guidelines regardless of training day. Adolescent athletes are highly sedentary and many fail to meet physical activity guidelines, challenging the notion that sports alone make individuals sufficiently active.</p> Clinical trial number <p>Not applicable.</p>

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The paradox of sport: adolescent athletes are highly sedentary across competition, practice, and rest days

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月22日

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  • Jena Heck Street,
  • Abigail M. Larson,
  • Roman de Guia,
  • Naveen Bansal,
  • Sandra K. Hunter,
  • Jacob J. Capin

摘要

Background

Elite athletes are highly sedentary outside of sports and must stay active after retiring to remain healthy. While sports are often recommended to improve physical activity, the effect of sport training day on daily physical activity levels in adolescent athletes is not well described. The purpose was to assess (1) physical activity (i.e., step counts and activity score [METs]) and (2) sedentary behavior (e.g., total duration and prolonged [> 1 h] bouts) in male and female adolescent athletes across different training days (i.e., competition, practice, and rest days).

Methods

Adolescent basketball and volleyball athletes wore an accelerometer continuously for 14 consecutive days while in-season. Training days (i.e., competition, practice, and rest days) were tracked for each athlete. In-person testing included anthropometrics, vertical jump height, and body composition via bioelectrical impedance.

Results

Thirty-nine athletes (15.6 ± 0.9 years; n = 24 female, n = 15 male) participated. Athletes were more physically active on competition and practice days (step count [mean ± SD]: competition: 13,021 ± 2,572, practice: 11,735 ± 1,875, rest: 6,742 ± 3,150 [p < 0.001]); activity score [METs]: competition: 35.6 ± 1.0, practice: 34.7 ± 0.9, rest: 33.0 ± 1.3 [p < 0.001]). Athletes had high total sedentary behavior across all training days (competition: 570.4 ± 89.3 min, practice: 619.5 ± 74.6 min, rest: 638.5 ± 90.8 min [p = 0.001]), but the greatest prolonged bouts of sedentary behavior on competition days (competition: 195.4 ± 100.9 min, practice: 115.9 ± 74.0 min, rest: 144.6 ± 96.2 min [p = 0.002]).

Conclusion

Adolescent athletes were highly active on competition and practice days but did not meet physical activity guidelines on rest days, achieving only ~ 6,700 steps/day. Athletes were highly sedentary across all training days, averaging ~ 10 h/day of waking sedentary behavior. Only a third met physical activity guidelines regardless of training day. Adolescent athletes are highly sedentary and many fail to meet physical activity guidelines, challenging the notion that sports alone make individuals sufficiently active.

Clinical trial number

Not applicable.