The Glenohumeral Joint That Articulates the Humerus to the Pectoral

question 70

Multiple Choice

The glenohumeral joint that articulates the humerus to the pectoral girdle is a highly mobile joint. This mobility comes at a cost because ________.

• A) muscles that span this mobile joint will only provide a reduced amount of power
• B) the joint is relatively unstable and can easily dislocate
• C) these type of joints are harder to control and coordinate
• D) the blood vessels that lead to the arm and hand can easily be cut off by the free range of motion

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