Upward rotation of the scapula occurs b) You start to notice the scapular movement after the humerus has abducted about 30 degrees from the body

1.a) Upward rotation of the scapula occurs b) You start to notice the scapular movement after the humerus has abducted about 30 degrees from the body. c) This movement is necessary because it helps reduce the risk of injuries such as Shoulder Impingement Syndrome. It also reaches the range in which one can reach over their head. d) As the arm abducts and the scapula rotates upward, the scapula moves one degree for every two degrees the humerus abducts. The glenoid fossa rotates upward two degrees for every three degrees that the humerus abducts. 2. a) Hip lateral rotation, knee flexion b) Hip abduction, knee flexion c) Hip flexion, knee extension d) Hip flexion, knee flexion