The muscle possesses two muscle heads, Caput mediale (internal [muscle] head) and Caput lateral (laterally [muscle] head), which rise both sides at the lower part of the thigh bone.

With the carnivores one small Sesambein each (OS sesamoideum musculi gastrocnemii) is stored into the two origin chords of the muscle. Also Fabella or Vesali Sesambein is called.

Function

The Gastrocnemius bends on the one hand the knee, on the other hand is responsible it together with the Soleus for the Plantarflexion (bend the foot downward, generally as diffraction outstandingly) when going, running and jumping. A further task is the Supination of the foot.

In the literature occasionally also a substantial participation in the interior rotation of the Unterschenkels is indicated by the internal head of the Gastrocnemius.

Beyond that the Gastrocnemius pulls the surae Unterschenkel as a component of the Musculus triceps with foot fixed at the soil to the rear. Thus it takes part in the safety device of the stretched knee against nicking. This function comes to carrying if the Musculus quadriceps is femoris thigh muscle) and the knee cannot become secured by this muscle therefore.

Articles in category "Musculus gastrocnemius"

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