Victor Oladipo 右膝四頭肌腱斷裂 - NBA
By Daph Bay
at 2019-01-25T12:39
at 2019-01-25T12:39
Table of Contents
受傷影片在此,
https://youtu.be/LWmlZ50Eodg?t=80
影片這個角度看得還蠻清楚的.
當我們在起跳時, 首先的準備動會先屈膝 曲髖
此時股四頭肌會被延展拉長, 而爆發起跳時股四頭肌會急速收縮
(當然我們在做這些動作不可能只用到某一部分的肌肉,只是這邊簡化點來討論)
仔細看影片中Oladipo準備起跳的瞬間, 他的上半身是完全打直的狀態
甚至上半身還有些微後仰, 各位可以起身試試擺出類似的動作
也就是俗稱的弓箭步, 但是上半身要像影片中那樣完全打直甚至有些微後仰
你會發現前腳的膝蓋壓力會增加許多, 如果是沒有運動習慣 肌肉比較緊繃的人
膝蓋可能也會感到不舒服or緊張.
而比較理想的起跳狀態, 上半身是會有些微前傾的, 也就是曲髖角度會再多一點
這樣的狀態起跳時可以運用到更多臀部肌肉, 膝蓋的壓力也會較輕.
原因就在影片中Oladipo的起跳動作, 曲髖角度不夠, 股四頭肌會被迫做更多延展
而股四頭四條肌肉都連接我們的膝蓋, 所以膝蓋也會同時感到緊張 不適
影片中看起來情況是, 起跳動作不良
股四頭肌被迫過度延展, 然後要急速收縮爆發起跳的瞬間,
肌肉承受不住那個瞬間壓力, 就 "啪" 的一聲 GG
當然股四頭肌的受傷不見得原因都指出在股四頭, 也有可能出在其他部位
例如臀肌無力, 而在做類似動作時身體只能完全依賴大腿前側肌肉出力
時間久了也可能會造成股四頭肌的勞損.
影片中Oladepo的起跳動作會那樣也有可能是那時他的臀肌力量不足.
所以他的身體(大腦)選擇了一個讓股四頭肌承擔最大壓力的動作來執行.
前面推文有說他之前就有膝蓋不適而休戰的情況,
換句話說他股四頭的疲勞很可能已經累積了相當時間卻無法獲得舒展,
疲勞持續地累積, 之後在某一時刻的某一個動作就突然爆發出來.
以上不負責任推測.
鄉民如果打球時常感到膝蓋不適, 除了檢查膝蓋或股四頭外
也要注意臀部肌肉是否足夠力量支撐你的運動需求.
--
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NBA
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