Muscle in extension compament of forearm which causes flexion of elbow: (A) Brachioradialis, (B) Abductor pollicis longus, (C) Extensor pollicis longus, (D) Extensor caipi radialis longus
Answer is A. Brachioradialis - flexes forearm at elbow joint; rotates forearm to the mid prone position from supine or prone positions. Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 1 , pg. no., 138