Gastrocnemius

Diagram of anterior muscles. Diagram of posterior muscles.

The gastrocnemius muscles are a pair of muscles located in each of the lower-legs of the human body. In each case, the gastrocnemius muscle forms much of the calf of the leg.

Origin, Insertion and Actions of the Gastrocnemius muscles:

Points of Origin:
Point of Insertion:
  • Posterior surface of the calcaneus (heel bone)
Actions:

The gastrocnemius muscles are labelled on our diagrams of human anterior muscles and also human posterior muscles.

More about Muscles:

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

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.

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