Posterior compartment of leg

Question 1

Gastrocnemius

Answer 1

Proximal: Lateral fibula (superior)
Distal: Plantar aspect of base of 1st metatarsal and medial cuneiform
Innervation: Tibial Nerve
PF Ankle JT
Pronate Tarsal JT
Suspension for LLA

Question 2

Soleus

Answer 2

Proximal:Posterior shafts of tibia and fibula
Distal: Posterior calcaneus via calcanea tendon
INNERVATION: Tibial nerve
‘PF ankle
supinate tarsal
suspension of LLA

Question 3

Plantaris

Answer 3

Proximal: lateral supracondylar line of femur
distal: posterior calcaneus
innervation: TIBIAL NERVE
PF Ankle
Supinate tarsal

Question 4

Popliteus

Answer 4

Proximal: Lateral surface of lateral condyle of femur and lateral meniscus
Distal: Proximal surface of proximal tibia

Innervation: tibial nerve
action- unlocked knee in closed chain movements- causes external; rotation of femur on tibia

Question 5

Tibialis posterior

Answer 5

Proximal: Posterior shaft of tibia and fibula and IO membrane
Distal: Tuberosity of navicular and plantar aspect of mid foot

Suspension for MLA

Question 6

Flexor digitoroum longs (FDL)

Answer 6

Proximal: Posterior shaft of tibia
distal: Plantar aspect of base of digit 2-5

Action: Tiebeam for MLA and LLA

Question 7

Flexor Hallucis Longuis

Answer 7

Proximal: Posterior shaft of fibula and IO membrane
Distal: Plantar aspect of base of distal phalanx of hallux

Action: tiebreak for MLA