A 19-year-old boy fell from the motet- bike on his shoulder. The doctor diagnosed him a case of Erb's paralysis. The following signs and symptoms will be observed except-: (A) Loss of abduction at shoulder joint, (B) Loss of lateral rotation, (C) Loss of pronation at radioulnar joint, (D) Loss of flexion at elbow joint.
Answer is C. Movements lost in Erb's paralysis : -


Abduction and lateral rotation of shoulder.
Flexion and supination of the forearm.
Biceps and supinator jerks are lost
Sensations are lost over a small area over the lower part of deltoid.