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Pronator Teres Anatomy: Origin, Insertion, Action, Innervation

Pronator Teres Anatomy Study

Pronator Teres Anatomy

Humeral Head: Superior portion of the medial epicondyle via the common flexor tendon of the ulna.
Ulnar Head: Coronoid process of the ulna
Insertion: Lateral aspect of the mid shaft of the radius
Action: Pronation of the forearm
Innervation: Median nerve (C6, 7 )
Blood Supply: Branches from the ulnar and radial arteries.

Synergist: Flexor carpi ulnaris, Flexor carpi radialis, Palmaris longus, Flexor digitorum profundus, Flexor digitorum superficialis,  Flexor pollicis longus, Pronator quadratus

Antagonist: Supinator, Brachioradialis, Extensor carpi brevis, Extensor carpi radialis longus, Extensor carpi ulnaris, Abductor pollicis longus, Extensor pollicis longus, Extensor pollicis brevis, Extensor digitorum, Extensor indicis, Extensor digiti minimi

For pain and symptom information see: Pronator Teres Pain and Symptoms

Primary Action of the Pronator Teres:

1. Pronation of the Forearm

    • Agonists: Pronator Quadratus
    • Antagonists: Biceps Brachii, Supinator

Secondary Action of the Pronator Teres:

2. Assists with flexion of the forearm at the elbow

    • Agonists: Brachialis, Biceps Brachii, Brachioradialis
    • Antagonists: Triceps Brachii, Anconeus


Musculoskeletal Anatomy Flashcards

Musculoskeletal Anatomy Flashcards Musculoskeletal Flashcards Are you a student or professional therapist who needs to brush up on the musculoskeletal system? Dr. Joseph E. Muscolino DC has developed a comprehensive set of flashcards that will help develop a mind’s picture of exactly where the muscles lie under the skin. A highly recommended study aid for students. Great for non students who want an easy comprehensive anatomy guide.

Anatomy Coloring Book


The Anatomy Coloring Book is one of the best study and reference books for beginning anatomy students. The diagrams are clearly labeled and allow you to see the relationship and placement of the various structures of the body. You will also be surprised how the act of coloring will help with recall. But this is not just a beginners book, it is also great for practitioners and therapists to have on hand to use with clients and patients to use as a visual reference.

Basic Clinical Massage Therapy


Out of the scores of books in my office Basic Clinical Massage Therapy is by far the most referenced book in my library. The musculoskeletal system is overlaid on human models allowing you to learn the precise location, origin and insertions of each muscle. The models are pictured in various poses throughout the book which also helps you visualize muscles in motion and their actions relationship with the skeletal structure and other muscles. Though it is written for massage therapists, it is an excellent book for anyone who wants to learn about the muscular system. MT’s will benefit from recommended treatments for each muscle.



The Trigger Point Therapy Workbook – Claire Davies, Amber Davies, and David G. Simons

Basic Clinical Massage Therapy: Integrating Anatomy and Treatment – James H. Clay and David M. Pounds

Trigger Point Therapy for Myofascial Pain – Donna Finando and Steven Finando