<p>To compare the effects of balance training and strength training on ankle joint stability, neuromuscular function, and injury prevention in armed recruits. A total of 1,517 male recruits participated in a 12-week intervention and were assigned to either a balance training group (BT, <i>n</i> = 750) or a strength training group (ST, <i>n</i> = 767). In addition to routine military training, the BT group performed balance-based exercises, whereas the ST group completed conventional strength training. Dynamic balance, ankle muscle performance, static balance, self-reported ankle stability, and military-specific physical performance were assessed at baseline, week 6, and week 12. Both interventions significantly improved the performance of various test indicators (<i>p</i> &lt; 0.05).Compared with ST, BT produced greater improvements at week 12: YBT dominant posteromedial (F = 62.171, <i>P</i> &lt; 0.001; η²=0.081); dominant eyes-closed single-leg stance (F = 88.970, <i>P</i> &lt; 0.001; η²=0.111); CAIT (F = 13.869, <i>P</i> &lt; 0.001; η²=0.019); and zigzag run (F = 18.760, <i>P</i> &lt; 0.001; η²=0.026). The incidence of ankle sprain was 5.33% (40/750) in the BT group, significantly lower than 8.87% (68/767) in the ST group (<i>p</i> &lt; 0.05). Both balance and strength training improved ankle-related function in new recruits; however, balance training provided broader benefits for dynamic stability, static balance, perceived ankle stability, and ankle sprain prevention.</p>

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Effects of balance and strength training protocols to improve ankle joint stability in armed recruits

  • Yabin Liu,
  • Liujie Li,
  • Jianbing Cai,
  • Ying Zhang,
  • Kebao Zhang,
  • Yi Jia

摘要

To compare the effects of balance training and strength training on ankle joint stability, neuromuscular function, and injury prevention in armed recruits. A total of 1,517 male recruits participated in a 12-week intervention and were assigned to either a balance training group (BT, n = 750) or a strength training group (ST, n = 767). In addition to routine military training, the BT group performed balance-based exercises, whereas the ST group completed conventional strength training. Dynamic balance, ankle muscle performance, static balance, self-reported ankle stability, and military-specific physical performance were assessed at baseline, week 6, and week 12. Both interventions significantly improved the performance of various test indicators (p < 0.05).Compared with ST, BT produced greater improvements at week 12: YBT dominant posteromedial (F = 62.171, P < 0.001; η²=0.081); dominant eyes-closed single-leg stance (F = 88.970, P < 0.001; η²=0.111); CAIT (F = 13.869, P < 0.001; η²=0.019); and zigzag run (F = 18.760, P < 0.001; η²=0.026). The incidence of ankle sprain was 5.33% (40/750) in the BT group, significantly lower than 8.87% (68/767) in the ST group (p < 0.05). Both balance and strength training improved ankle-related function in new recruits; however, balance training provided broader benefits for dynamic stability, static balance, perceived ankle stability, and ankle sprain prevention.