gastrocnemius

Question 1

gastrocnemius shape

Answer 1

2 heads, most superficial calf muscle

Question 2

gastrocnemius origin

Answer 2

medial head -> medial supracondylar ridge & adductor tubercle of femur
lateral head -> outer surface of lateral condyle of femur

Question 3

gastrocnemius insertion

Answer 3

posterior surface of calcaneus via tendocalcaneus

Question 4

gastrocnemius direction of fibres

Answer 4

inferiorly

Question 5

gastrocnemius actions

Answer 5

plantarflexes ankle, flexes knee

Question 6

gastrocnemius function

Answer 6

running at pace, calf raises

Question 7

gastrocnemius nerve supply

Answer 7

tibial nerve S1, S2