it seems like your hand is in the same stressed position for too long so the muscle might had injured way before you noticed...
+ ^& X) W$ v/ c0 k: c, wPedestrian_A 發表於 2016-9-25 09:29 AM 
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You maybe right!! Because, statistically, it happens to gymnasts more often!!! tvb now,tvbnow,bttvb+ B. G" e6 Y2 K9 b& u# o/ e4 S& W; ]) }# j
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