Q-4. Movements taking place during abduction of shoulder joint are all except (AIIMS May 08)
a) Medial rotation of scapula
b) Axial rotation of humerus at acromio-clavicular joint
c) Elevation of humerus
d) Movements at clavicular end of sterno-clavicular joint
Answer- a
Explanation:
In abduction the arm moves antero-laterally away from the trunk. This movement is in the same plane as that of the body of the scapula.