Structures

  • Pronator teres
  • Pronator quadratus
MuscleActionOriginInsertionInnervationBlood supply
Pronator teres- Pronation
- Weak flexion of elbow
- Humeral head: medial epicondyle of humerus
- Ulnar head: Coronoid process
- Middle of lateral radial surface- Median nerve: C6,7- Ulnar artery
Pronator quadratus- Pronation of forearm- distal anterior surface of ulna- distal anterior surface of radius- Median nerve (anterior interosseous nerve): C7,8- Anterior interosseous artery