Gastrocnemius - Muscle Physiology & Functional Anatomy
Flexion of the knee (primarily during swing phase of gait)
Plantarflexion of the ankle
Subtalar joint supination (at the end of mid-stance)
Decelerates ankle dorsiflexion
Decelerates femoral internal rotation
Decelerates subtalar joint pronation
More Images of the Gastrocnemius Muscle
More Information about the Gastrocnemius Muscle
The gastrocnemius muscle is a
biarticulate muscle which means it has functions over 2 joints in this case the
knee & the ankle. lThe gastrocnemius is named after the the Greek words "gaster"
which means stomach & "knēmē" which means leg. The literal meaning
"stomach of leg" is due to the bulging shape of the calf muscles.