_________________________ represents a ball-and-socket type joint?
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Answer: C. Shoulder
Explanation
The shoulder joint is a classic example of a multiaxial ball and socket articulation. This anatomical configuration features the rounded head of the humerus fitting into the glenoid cavity. Such structural design allows for a wide range of rotational and multi-directional arm movements. Joint classifications depend on their structural shape and the specific types of movement they permit. Ball and socket joints possess high mobility but often require stabilizing muscle groups to prevent dislocation. The glenohumeral joint is complemented by surrounding rotator cuff muscles ensuring dynamic stability during use.
The heel features complex tarsal bone articulations that function primarily as gliding or hinge joints rather than sockets. Both A and B is incorrect because only the shoulder qualifies as a true multiaxial ball and socket joint. None is incorrect since the shoulder undeniably represents a textbook ball and socket anatomical joint.
- Subject
- Physical Education
- Category
- Physical Education
- Topic
- —
- Difficulty
- medium
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