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Locomotion and Movement
Question
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Which of the following is a part of pectoral girdle?

  • Ilium

  • Ischium

  • Acetabulum

  • Glenoid cavity

Answer

D.

Glenoid cavity

Pectoral girdle or shoulder girdle is composed of two separate halves. Each half consists of the scapula or shoulder bone, coracoid process and clavicle or collar bone. At the junction of scapula and clavicle, is a concave depression, called glenoid cavity, which articulates with the head of the humerus to form a ball and socket joint.

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