N3 Anatomy and Physiology (1st Sem AY 2022-2023)

1. Turning a knob door
a. Supinator
Action: Supinates forearm at radioulnar joints
Innervation: Deep radial nerve
b. Pronator teres
Action: Pronates forearm at radioulnar joints and weakly flexes the forearm at the elbow joint.
Innervation: Median nerve.
c. Pronator quadratus
Forearm pronation at radioulnar joints.
Innervation: median nerve