If you can bend back your thumb to touch your lower arm, the ligaments in your feet are probably stretchy, too, Dr. Gastwirth said.
Gastwirth博士说，如果你能扳回拇指弯曲并触摸到下臂，那么你脚下的韧带也可能很有弹性。
When your arm is completely extended your shoulders touch your ears. Their range is very wide.
当升起手时，肩部可以触及到耳朵，这个范围很广。
When your arm is completely extended your shoulders touch your ears. Their range is very wide.
当升起手时，肩部可以触及到耳朵，这个范围很广。
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