摘要
目的:从整体本体感觉、视觉、前庭觉,膝关节不同角度下的位置觉、力量觉,以及不同角速度下的伸肌最大力矩、屈肌最大力矩等方面,研究太极拳练习对大学生平衡能力的影响。结果表明:(1)普通组膝关节在30°、45°、60°时的位置觉明显提高(P<0.01),膝关节在30°、45°时的力量觉明显提高(P<0.01);膝关节在角速度为60°/s时单位体重的伸肌力矩和屈肌力矩峰值明显提高(P<0.01),在120°/s时单位体重的伸肌力矩明显提高(P<0.01)。普通组多感官平衡测试(CTSIB)条件下的整体本体感觉、视觉、前庭觉对平衡的控制能力提高(P<0.01),稳定极限(LOS)条件下的神经肌肉反应能力明显提高(P<0.01),睁眼单脚站立(ASL)条件下重心在前后方向、左右方向上的控制能力以及综合稳定能力都有明显提高(P<0.01)。(2)专业组膝关节在30°、45°、60°时的位置觉、力量觉较高(P<0.01),膝关节在角速度为60°/s、120°/s时单位体重的伸肌、屈肌力矩峰值较高(P<0.01),CTSIB条件下视觉对平衡的控制能力较高,LOS条件下的神经反应能力较高(P<0.01),ASL条件下重心在前后方向、左右方向上的控制能力以及综合稳定能力较高(P<0.01)。结论:太极拳练习可以提高身体重心在前后方向和左右方向上的平衡能力;提高下肢关节位置觉、力量觉能力;太极拳练习可以提高下肢关节伸肌群和屈肌群力矩峰值。
The effects of Tai Chi(TC)exercise on balance ability of college students were studied from the aspects of on position sense and force sense of knee joint,isokinetic knee extensor/flexor strength at different angular velocity,overall proprioception,vision and vestibular sense. Results showed:(1)After 16-week TC lessons,position sense ability of knee joint for experiment group was significantly improved at the angle of 30°,45° and 60°(P<0.01). The force sense ability of knee joint was significantly improved at the angle of 30° and 45°(P<0.01). The muscle strength of extensor and flexor of knee at the angle velocity of60°/s and extensor of knee at the angle velocity of 120°/s were significantly increased(P<0.01). The control ability of proprioception,vision and vestibular sense to balance was improved under the condition of CTSIB(P<0.01),the neuromuscular response ability was improved under the condition of LOS(P<0.01),the center of gravity in the forward and backward direction,left and right direction and overall stability was improved under the condition of ASL(P<0.01).(2)The position and force sense of knee joint in the professional group were higher at the degrees of 30°,45°and60°(P<0.01).The extensor and flexor muscle strength of joint at the angular velocity of 60°/s,120°/s were higher(P<0.01). The control ability visual balance under CTSIB condition and neuromuscular response ability under LOS condition were higher for professional group(P<0.01).The control ability of the center of gravity in the forward and backward directions,left and right directions,and the comprehensive stability ability were higher(P<0.01)under ASL conditions. Conclusions:TC exercises effectively improved the postural stability in the anterior/posterior and medial/lateral directions,improved the extensor and flexor strength of knee joints,the extensor strength and flexor strength of knee joint,improved the position sense and force sense of knee joint.
引文
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