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首页> 外文期刊>Journal of strength and conditioning research >Short-term landing training attenuates landing impact and improves jump height in landing-to-jump movement
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Short-term landing training attenuates landing impact and improves jump height in landing-to-jump movement

机译：短期着陆训练可减轻着陆冲击并提高着陆跳跃运动中的跳跃高度

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摘要

Landing technique is an important factor influencing jump performance in landing-to-jump (L-J) movement. This study examined the effects of short-term landing training on jump performance in L-J. We hypothesized that landing training without jumping decreases landing impact and increases jump height in L-J. Twenty healthy adult men were randomly assigned to the control (CG: n = 10) or the training (TG: n = 10) group. The TG performed a 2-week landing training (3 times per week, 6 sessions) that aims to decrease impact force. Before and after the training period, both groups performed landing and L-J from a 35-cm height and also squat jumps (SJs). Ground reaction forces and kinematic data were obtained during the landing, L-J, and SJ. The CG showed no significant changes in all measured variables. In the TG, the peak vertical ground reaction force up to 100 mseconds after ground contact in L-J, expressed relative to body mass, significantly decreased (pre: 3.04 [0.77] vs. post: 2.35 [0.37], p < 0.01), and the L-J height significantly increased (pre: 47.2 [5.6] cm vs. post: 48.2 [5.5] cm, p < 0.05) without gain in SJ height. Furthermore, the TG showed significant gains (p < 0.01) in hip joint power during the propulsive phase. The current results support our hypothesis and indicate that shortterm landing training improves the technique for absorbing landing impact and increasing L-J height. The increased L-J height may be a result of an increase in power generation around the hip joint.
机译：着陆技术是影响着陆跳跃运动中跳跃性能的重要因素。这项研究检查了短期降落训练对L-J跳跃性能的影响。我们假设不进行跳跃的着陆训练会降低L-J的着陆影响并增加跳跃高度。将20名健康成年男性随机分为对照组（CG：n = 10）或训练组（TG：n = 10）。 TG进行了为期2周的着陆训练（每周3次，共6次训练），目的是减少冲击力。训练前后，两组均从35厘米高处进行降落和L-J动作，并进行深蹲跳跃（SJs）。在着陆，L-J和SJ期间获得了地面反作用力和运动学数据。 CG在所有测量变量中均无显着变化。在TG中，相对于体重，LJ地面接触后直至100毫秒的垂直地面反作用力峰值显着降低（之前：3.04 [0.77];之后：2.35 [0.37]，p <0.01），并且LJ高度显着增加（之前：47.2 [5.6] cm，而之后：48.2 [5.5] cm，p <0.05），而SJ高度没有增加。此外，在推进阶段，TG显示髋关节力量显着增加（p <0.01）。当前的结果支持我们的假设，并表明短期着陆训练改善了吸收着陆冲击并增加L-J高度的技术。 L-J高度增加可能是髋关节周围发电量增加的结果。

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