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| Q. |
Which is true of muscles of the pectoral girdle? |
| A. | “direct” muscles are inserted into the clavicle or scapula from the axial skeleton, eg pectoralis major |
| B. | “indirect” attachment to the axial skeleton is represented by serratus anterior |
| C. | the sternocostal fibres of pectoralis major from the 6th costal cartilage are inserted higher on the lateral lip of the intertubecular soleus than the fibres from the first cartilage |
| D. | biceps muscle gives no stability to the shoulder joint |
| E. | trapezius is the only muscle to be supplied by all five segments of the brachial plexus |
| Answer» C. the sternocostal fibres of pectoralis major from the 6th costal cartilage are inserted higher on the lateral lip of the intertubecular soleus than the fibres from the first cartilage | |
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