If a Muscle Attaches from a Rib to a Point

question 30

Multiple Choice

If a muscle attaches from a rib to a point that is superior to that rib attachment,what eccentric function will this muscle most likely have?

• A)restrains/slows extension of a vertebra at the spinal joints
• B)restrains/slows elevation of the rib at the sternocostal and costospinal joints
• C)restrains/slows depression of the rib at the sternocostal and costospinal joints
• D)restrains/slows increase in volume of the thoracic cavity

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