结果，黑猩猩及侏儒黑猩猩腕部有了大猩猩缺乏的特征- - -充当'骨挡板'的肌肉隆起和凹陷，保护其手腕不会过度弯曲。
As a result, chimp and bonobo wrists have special features that gorillas lack - little ridges and concavities that serve as' bony stops' to keep their wrists from over-bending.
为了不让腕部过度弯曲，可以在手腕下方放一个支撑物来保持腕部的平直位置。
In order not to let the wrist flexion, can put a support at the bottom of the wrist to keep the wrist straight position.
若是如此，这真是一个坏消息呀！ 每当膝盖弯曲时，这会带给软骨不平均的压力，而且过度拉紧支撑的韧带与肌腱。
This position is bad news: It torques your knee, putting uneven pressure on the cartilage and straining the supporting ligaments and tendons every time your bend it.
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