PNB Lab Practical (Muscles)

Soleus origins and inserts

Originates in the medial border of tibia + head of fibula, inserts in the posterior surface of calcaneus and

Soleus functions

Plantar flexes ankle (foot), stabilizes leg when standing

Gastrocnemius origins and inserts

Origins, 2 heads, medial and lateral condyles of femur and inserts posterior surface of calcaneus and does

Gastrocnemius functions

Dorsiflexion and inversion of ankle

Biceps femoris origins and inserts (short head)

Lower leg