Gastrocnemius

Question 1

Gastrocnemius (ORIGIN)- medial head and long head

Answer 1

Medial head: Popliteal surface of the femur, superior to the medial condyle
Lateral head: Lateral aspect of the lateral condyle of the femur

Question 2

Gastrocnemius (INSERTION)

Answer 2

Posterior surface of the calcaneus via the calcaneal (Achilles) tendon

Question 3

Gastrocnemius (INNERVATION)

Answer 3

Tibial nerve (S1, S2)

Question 4

Gastrocnemius (BLOOD SUPPLY)

Answer 4

Posterior tibial artery, sural arteries

Question 5

Gastrocnemius (ACTION)

Answer 5

Plantarflexes the foot at the ankle and flexes the leg at the knee