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Muscular System

How many muscles are in a human leg?


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October 13, 2015 6:11PM

The leg in medical terms indicate the region between the knee and the ankle. It has 4 muscles anteriorly, 2 muscles laterally and 7 muscles posteriorly. for a total of 13 muscles in the leg.

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October 13, 2015 6:09PM

In human anatomical terms, the leg is the part of the lower extremity that lies between the knee and the ankle.
There are four muscles in the anterior compartment of the leg; tibialis anterior, extensor digatorium longus, extensor hallucis longus and fibularis tertius.
There are two muscles in the lateral compartment of the leg; the fibularis longus and brevis. In older texts, they are referred to as the peroneal longus and brevis
The posterior compartment of the leg contains seven muscles, organized into two layers- superficial and deep.
The gastrocnemius is the most superficial of all the muscles in the posterior leg
The plantaris is a small muscle with a long tendon, which can be mistaken for a nerve.
The soleus is located deep to the gastrocnemius. It is large and flat, and named soleus due to its resemblance of a sole - a flat fish.
The popliteus is located superiorly in the leg. It lies behind the knee joint.
The tibialis posterior is the deepest.
The flexor digatorium longus acts on the big toe.
The flexor hallucis longus muscle is found on the lateral side of leg.
A total of 13 muscles.