人造運動員在不同吸震能力的木質地板與人體測試之比較

Artificial Athlete's and Human Athlete's Comparison on Force Reduction Using Different Hardness of Spacers under Wooden Floor

徐苑筑(Yuan-Chu Hsu) ； 蘇振塏(Chen-Kai Su)

《大專體育學術專刊》 96年度 (2007/05) Pp. 443-447

https://doi.org/10.6695/AUES.200705_96.0073

摘要

運動表面是運動員在運動過程中，直接與運動員接觸的介面。而運動表面應該具有吸收衝擊的特性，藉此讓運動員減少運動傷害以及保持運動效果。人在從事運動時，身體最直接接觸的為鞋子及運動表面，假如一個人不斷地跑步，下肢必須承受巨大的反覆性負荷，將容易造成下肢傷害的產生。本研究的目的主要是探索人體從40公分高度落地在不同吸震能力的木質地板時，下肢緩衝的機轉，比較動力學參數的變化情形和人造運動員所測出的衝擊吸收（force reduction）百分比值是否能夠得到相關性。使用Pearson相關性比較時，力量衰減及膝關節角度的相關係數為-0.947，呈現負相關；而膝踝關節相關性為0.990，達相關顯著性。但測力板的最大峰值並未與力量衰減達到顯著相關。運動員在運動時皆會改變不同的關節角度，去適應不同的運動表面，例如表面震動吸收的能力越強，越需要彎曲膝關節去跳的更高。像是籃球或排球這種一直需要跳躍的運動，就需要選擇適合的運動表面，以免造成運動傷害。

關鍵字

運動表面 ； 落地 ； 力量衰減 ； 相關性

並列摘要

The landing movements were highly related to the lower extremity injuries. A good landing movement was supposed to effectively absorb the landing impact. The unsuitable sports surface is one of the reasons cause's injuries and the sports performances can't be enhanced. Sports surface is the face that athletes contact directly. It must has property of shock absorption to decrease injures and keep the sport effects. The purpose want to confer the human landing in wooden floor with different force reduction of jump form 40 cm height, and compared the correlation of lower extremities' kinetics and accelerometer parameters with force reduction value. The results use Pearson correlation comparability. The force reduction and an angular of knee joint's Pearson correl. =0.947, shows the negative correlation. An angular of knee and ankle joints' Pearson correl. =0.990, shows the correlation significantly. But the force plate's peak force has no correlation with force reduction. Different levels of the shock absorbency create change in joint flexion to maintain impacts in acceptable levels. The athletes try to adapt their movements to maintain protection and performance on surfaces with different shock absorbing properties.

並列關鍵字

sports surface ； landing ； correlation