Muscles of leg region
Table of Contents
Muscles of leg region
Anterior group
Extensor hallucis longus
- Origin :
Medial surface of fibula
Interosseous membrane
- Insertion :
Distal phalanx of big toe .
- Action :
Extension of big toe
Extension of foot
Supination and adduction of foot
Extensor Digitorum longus
- Origin :
Lateral condyle of Tibia
Fibula
- Insertion :
Middle and distal phalanx of 2nd -5 th toe .
5th metatarsal bone
- Action :
Extension of 2nd and 5th toe
Extension of foot
Tibialis Anterior
- origin :
Lateral condyle of tibia
Lateral surface of tibia
Interosseous membrane
- Insertion :
Base of 1st metatarsal Bone
Medial Cuneform
- Action :
Extension of foot
Supination and Adduction of foot
Lateral group
Fibularis Brevis
- origin : Fibula
- Insertion : Base of 5th metatarsal bone
- Action :
Flexion of foot
Pronation and Abduction of foot
Finularis longus
- Origin : Fibula
- Insertion : Base of 1st metatarsal bone
Medial cuniform
- Action :
Flexion of foot
Pronation and abduction of foot
Posterior group
Deep Muscle
popliteus
- Origin : Lateral condyle of femur
- Insertion : Posterior surface of Tibia
- Action : Flexion and Internal Rotation of leg
Tibialis Posterior
- Origin :
Posterior surface of tibia and Fibula
Interosseous membrane
- Insertion : Navicular and medial Cuneiform
- Action :
Flexion of foot
Supination and Adduction of foot
Flexor Digitorum Longus
- Origin :
Posterior surface of Tibia
Interosseous membran
- Insertion : Distal Phalanges of 2nd – 5th toes
- Action :
Flexion of foot
Flexion of Toes
Flexor Hallucis longus
- Origin:
Fibula
Interosseous membrane
- Insertion : Distal Phanlanx of Big toe
- Action :
Flexion of foot
Supination and adduction of foot
Flexion of big toe
Superficial layer
Plantaris
- Origin : Lateral condyle of femur
- Insertion : Achillies / calcaneal tendon
- Action :
Flexion of foot
Flexion of leg
Triceps Surau
Soleus
- Origin :
Head of fibula
Tibia – Posterior surface and soleal line
Tendinous Arch of Soleus
Medial head of Gastrocnemius
- origin : Medial Epicondyle of femur
Lateral Head of Gastrocnemius
- Origin : Lateral Epicondyle of femur .
- Insertion : Achillies / calcaneal tendon
- Action :
Flexion of foot
Flexion of leg