Action, Innervations & Attachments - Lower Leg & Feet

Question 1

Tibialis Posterior

Answer 1

Proximal: Interosseous membrane, tibia & fibula

Distal: Navicular tuberosity, adjacent tarsal bones, base of metatarsals

Innervation: Tibial nerve

Question 2

Flexor Digitorum Longus

Answer 2

Proximal: Tibia & Fibula

Distal: Base of the distal 2nd to 5th phalanges

Innervation: Tibial nerve

Question 3

Flexor Hallucis Longus

Answer 3

Proximal: Posterior fibula

Distal: Base of distal phalanx of 1st digit

Innervation: Tibial nerve

Question 4

Fibularis Longus

Answer 4

Proximal: Head of fibula

Distal: Plantar surface of 1st cuneiform & base of 1st metatarsal

Innervation: Superficial common peroneal nerve

Question 5

Fibularis Brevis

Answer 5

Proximal: Mid shaft of fibula

Distal: Base of 5th metacarpal (styloid process)

Innervation: Superficial branch of common peroneal nerve

Question 6

Tibialis Anterior

Answer 6

Proximal: Lateral condyle of tibial & proximal half of tibial shaft

Distal: Medial cuneiform & base of 1st metatarsal

Innervation: Common peroneal nerve & Deep peroneal nerve

Question 7

Extensor Hallucis Longus

Answer 7

Proximal: Mid shaft of fibula & interosseous membrane

Distal: Base of 1st distal phalanx

Innervation: Deep peroneal nerve

Question 8

Extensor digitorum longus

Answer 8

Proximal: Upper tibia & fibula, interosseous membrane, intermuscular septa & fascia

Distal: Bases of middle & distal 2nd to 5th phalanges

Innervation: Deep peroneal nerve

Question 9

Abductor Hallucis

Answer 9

Proximal: Medial tubercle of plantar calcaneus, flexor retinaculum, plantar aponeurosis

Distal: Medial aspect of base of 1st proximal phalanx

Innervation: Medial Plantar nerve

Question 10

Flexor digitorum brevis

Answer 10

Proximal: Medial tubercle of plantar calcaneus, plantar aponeurosis

Distal: Middle & lateral side of middle phalanges of 2nd to 5th digit

Innervation: Medial plantar nerve