Body position and technique effects on displacement in the dyno maneuver in rock climbing

Kevin C. Phillips, R. Jensen
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引用次数: 1

Abstract

Abstract This study compared vertical displacement of rock climbers performing a dyno maneuver using a squat jump (SJ) and a counter-movement (CM) technique. These techniques were tested at three different starting positions, varying in distance between hand and foot holds. Thirteen recreational rock climbers performed two SJ and two CM dynos at each starting position. Vertical displacement was measured through video analysis. Results showed that there were no significant differences in vertical displacement of the hand (VDH) between jump techniques (p > 0.05). There was, however, a significant improvement in VDH as the subjects moved from the low-to-medium and medium-to-high starting positions (p < 0.05). Therefore, a climber should base their technique on preference or experience while leaving a sufficient amount of space between the hands and feet if possible.
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攀岩运动中体位和技术对位移的影响
摘要本研究比较了攀岩者使用蹲跳(SJ)和反运动(CM)技术进行动态动作时的垂直位移。这些技术在三个不同的起始位置上进行了测试,手和脚之间的距离不同。13名休闲攀岩者在每个起跑位置分别做2个SJ和2个CM动作。通过视频分析测量垂直位移。结果显示,两种起跳技术在手部垂直位移(VDH)上差异无统计学意义(p < 0.05)。然而,当受试者从低到中、从中到高的起始位置移动时,VDH有显著改善(p < 0.05)。因此,攀岩者应该根据自己的喜好或经验来选择技术,同时尽可能在手和脚之间留出足够的空间。
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