Muscles of the Lower Leg Flashcards
Where is the Origin of the Gastrocnemius?
Condyles of the Femur, just above the knee
Where is the Insertion of the Gastrocnemius?
Calcaneus via the calcaneal (Achilles) tendon
What joints does the Gastrocnemius cross?
Ankle & Knee
What are the actions of the Gastrocnemius?
Ankle plantar flexion and assists in knee flexion
Where is the Origin of the Soleus?
Tibia, fibula and interosseous membrane
Where is the Insertion of the Soleus?
Calcaneus via the calcaneal (Achilles) tendon
What joint does the Soleus cross?
Ankle
What is the Action of the Soleus?
Ankle plantar flexion
Where are the Origins of the Tibialis Anterior?
Lateral condyle of the tibia, upper half of the lateral surface of the tibia and the interosseous membrane
Where are the Insertions of the Tibialis Anterior?
Underside of the medial cuneiform bone and the first metatarsal
What joint does the Tibialis Anterior cross?
Ankle
What are the Actions of the Tibialis Anterior?
Ankle dorsiflexion. Subtalar joint inversion (turns sole of the foot inwards)