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目的比较10~11岁长期足球锻炼男童和一般男童下肢肌力的差异。方法选取身高、体重相匹配,具有2年足球锻炼经验(足球锻炼组)和一般(对照组)男童各30名,采用德国IsoMed 2000等速测试仪,对两组受试者进行髋、膝和踝关节屈伸模式的测试。结果 1)足球锻炼组的髋关节屈(t=1.314)、伸(t=1.972)和膝关节屈(t=1.897)、踝关节伸(t=1.128)峰力矩大于对照组但无统计学意义(P均>0.05);2)足球锻炼组的膝关节伸(t=-5.812)和踝关节屈(t=3.064)峰力矩显著大于对照组(P均<0.01)。结论长期的足球锻炼显著改善了学龄男童膝关节伸肌、踝关节屈肌的力量,虽然对髋关节屈伸肌力有所改善但不显著。
Objective To compare the muscle strength of lower limbs between boys aged 10 to 11 years and boys in general. Methods The height and weight were matched, and there were 30 boys with 2 years of soccer training (soccer training group) and 30 boys with normal (control group) respectively. The isokinetic isolator 2000 was used to measure the hip and knee And ankle flexion and extension test mode. Results 1) The peak torque of hip flexion (t = 1.314), extension (t = 1.972) and knee flexion (t = 1.897) and ankle extension (t = 1.128) were higher in the football training group than those in the control group (All P> 0.05); 2) The peak moments of knee extension (t = -5.812) and ankle joint flexion (t = 3.064) in the football training group were significantly higher than those in the control group (all P <0.01). Conclusion Long-term football training significantly improved the strength of flexors and ankle flexors of knee joint in school-age boys, though they did not improve the strength of flexors and extensors of hip joints.