Lower Leg Muscles

Front

What is the origin and insertion of the Gastrocnemius muscle?

Back

Origin: Medial and lateral condyles of femur; Insertion: Posterior calcaneus.

Front

What is the primary action of the Gastrocnemius muscle?

Back

Knee flexion and ankle plantar flexion.

Front

What are the 'bumps' on the ankle called?

Back

Malleolus.

Front

What two motions at the ankle can result in a lateral ankle sprain?

Back

Plantar flexion and inversion.

Front

What is the origin and insertion of the Soleus muscle?

Back

Origin: Posterior tibia and fibula; Insertion: Posterior calcaneus.

Front

What is the primary action of the Soleus muscle?

Back

Ankle plantar flexion.

Front

Which ligament is found on the medial side of the foot?

Back

Deltoid Ligament.

Front

What is the function of the Deltoid Ligament?

Back

Provides stability to the medial side of the ankle.

Front

What is the difference between the Gastrocnemius and Soleus muscles?

Back

Gastrocnemius is a two-joint muscle involved in knee flexion, while Soleus is a one-joint muscle primarily responsible for ankle plantar flexion.

Front

What is the role of the Tibialis Posterior muscle?

Back

Inversion of the foot and support of the medial arch.