Posterior Calf

Question 1

Origin, insertion & action for Gastrocnemius

Answer 1

It’s origin is the posterior surfaces of the condyles for femur

It’s insertions is the calcaneus via the calcaneal tendon

It’s actions is the flex the knee & plantar flex the ankle

Question 2

Soleus origin, insertion & actions

Answer 2

It’s origin is the soleal line, proximal posterior surface of tibia & posterior aspect of head of fibula

It’s insertion is the calcaneus via the calcaneal tendon

It’s action is to plantar flex the ankle

Question 3

Origin, insertion & actions for Plantaris

Answer 3

It’s origin is the lateral supracondylar line of femur

It’s insertion is the calcaneus via the calcaneal tendon

It’s actions are weak but it plantar flexs the ankle & knee

Question 4

Tibialis Posterior origin, insertion & actions

Answer 4

It’s origin is the proximal posterior shafts of tibia & fibula & the interosseous membrane

It’s insertion is all 5 tarsal bones & the base of 2nd-4th metatarsals

It’s actions are to flex the foot & plantar flex the ankle

Question 5

Origin, insertion & actions of Flexor Digitorum Longus

Answer 5

It’s origin is the middle posterior surface of tibia

It inserts on the distal phalanges of 2nd-5th toes

It’s actions are to invert the foot & flex the 2nd-5th toes

Question 6

Flexor Hallucis Longus origin, insertion & actions

Answer 6

It’s origin is the middle half of the posterior fibula

It’s insertion is the distal phalanx of the 1st toe

It’s actions are to flex the 1st toe & invert the foot