a.
To determine: The joint motion at the shoulder when lying supine with the arm at the side and with a weight in the hand and raising the weight up and over the shoulder.
Introduction: A joint is a connection between the bones. The joints allow different types of movement at different degrees.
b.
To determine: Whether the muscle action during the first 90 degrees of the motion concentric or eccentric in the given condition.
c.
To determine: Whether the shoulder flexors or extensors are responsible for the given action.
d.
To determine: Whether the muscle action during the second 90 degrees of the motion is concentric or eccentric.
e.
To determine: Whether the shoulder flexors or extensors are responsible for the given action.
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