球窝关节—在肩膊容许三平面的运动。

Ball and socket joint at shoulder allows movement in 3 planes.

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正常的髋关节是一个紧密参加“球窝”联合(图1)。

The normal hip is a tightly joined "ball and socket" joint (Figure 1).

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正常的髋关节是一个紧密参加“球窝”联合(图1)。

The normal hip is a tightly joined "ball and socket" joint (Figure 1).

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