Relationship Between Lower Extremity Strength Asymmetry And Jump And Sprint Performance

Celil Kaçoğlu
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引用次数: 1

Abstract

The relationship between inter-limb strength asymmetry and athletic performance is not clearly well-known. Different results in the literature makes it difficult to form a common consensus on this issue. The aim of this study was to investigate the relationship between inter-lower limb strength asymmetry (ILLSA) values and jump and sprint performances. Forty-eight individuals (21.5±2.8 years, 1.74±0.1 m, 67.3±9.7 kg) voluntarily participated in this study. All participants participated in squat (SJ), countermovement jump (CMJ), 40m sprint run tests and right and left isokinetic concentric knee flexion and extension strength (IS) test at low (60°.s -1 ) and high (300°.s -1 ) angular velocities. The symmetry angle formula was used in order to determine the isokinetic knee strength asymmetry values between inter-lower limb. According to the results it was revealed that there was no relation (p>0.05) between ILSSA at low and high angular velocities and squat jump (r = -0.106 0.200), countermovement jump (r = -0.11 0.087) and 40m sprint (r = 0.012 0.810) performance. In conclusion, there is no negative or positive relationship between inter limb isokinetic knee strength symmetry angle and jump and sprint performances in physically active individuals.
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下肢力量不对称与跳跃和冲刺表现的关系
肢间力量不对称与运动成绩之间的关系尚不清楚。不同的文献结果使得在这个问题上很难形成一个共同的共识。本研究的目的是探讨下肢间力量不对称(ILLSA)值与跳跃和冲刺成绩的关系。48人(21.5±2.8岁,1.74±0.1 m, 67.3±9.7 kg)自愿参加本研究。所有参与者均参加了深蹲(SJ)、反动作跳跃(CMJ)、40米短跑跑测试和低(60°)左右等速同心膝关节屈伸强度(IS)测试。S -1)和高(300°。S -1)角速度。采用对称角公式,确定了等速膝关节间双下肢力量不对称值。结果表明,低、高角速度下ILSSA与深蹲跳(r = -0.106 0.200)、反动作跳(r = -0.11 0.087)、40米冲刺(r = 0.012 0.810)成绩无显著相关性(p>0.05)。综上所述,肢体间等速膝关节力量、对称角度与运动健全人的起跳和冲刺成绩之间不存在正相关关系。
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