Extensor Digitorum Longus

Diagram of posterior muscles.

The extensor digitorum longus is a muscle located in the inside upper-thigh.

It is easy to work out the function of the extensor digitorum longus muscle because an extensor is a muscle that causes a movement that increases the angle between articulating bones. The actions of the extensor digitorum longus muscle include extending the toes - especially the four lateral toes as the extensor hallucis longus extends the great toe.

Origin, Insertion and Actions of the Extensor Digitorum Longus muscles:

Point(s) of Origin:
Point(s) of Insertion:
  • Phalange of the 2nd toe
  • Phalange of the 3rd toe
  • Phalange of the 4th toe
  • Phalange of the 5th toe, these phalanges being bones at the distal ends of the respective toes
Action(s):

The extensor digitorum longus muscle is labelled on our diagram of human anterior 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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