Pronator Teres

This section is about
human arm and hand muscles

The pronator teres muscles are deep muscles located at the elbow on both sides of the body.

Origin, Insertion and Actions of the Pronator Teres muscles:

Points of Origin:

Humeral head:

Above the medial epicondyle of the humerus (bone)

Ulnar head:

Medial side of the coronoid process of the ulna (bone), via a thin fascicle (some texts use the Latin word 'fasciculus' interchangeably with 'fascicle')

Point of Insertion:

Midway along the lateral surface of the radius (bone)

Actions:

Pronates the forearm.
Flexes (bends) the forearm.

The approximate locations of the pronator teres muscles are labelled on the diagram of human anterior muscles.

More about Muscles:

The following are some popular pages in the section about the human muscular system:

The structure of muscle tissue
The structure of muscle cells
Labelled diagrams of the muscles in different parts of the body including anterior muscles, posterior muscles and facial muscles
Types of muscle contractions
Movements at joints

There are also more pages about the words used to describe muscles (terminology), the anatomy and physiology of muscles, muscular disorders and associated topics. See also books about sports medicine.

This may be useful study or revision material for students following courses in human anatomy, sports science, massage, physiotherapy or other subjects that require knowledge of the muscular structures of the human body.

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Pronator Teres

Origin, Insertion and Actions of the Pronator Teres muscles:

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