Lab 6 - Lower Leg Musculature

  Gastrocnemius and Plantaris     Yellow: Gastrocnemius    Blue: Plantaris

Gastrocnemius and Plantaris

Yellow: Gastrocnemius

Blue: Plantaris

  Gastrocnemius   O -
Just above lateral and medial femoral condyles  I -
Calcaneus via Achilles tendon   F -
Knee flexion and ankle plantar flexion

Gastrocnemius

O - Just above lateral and medial femoral condyles

I - Calcaneus via Achilles tendon

F - Knee flexion and ankle plantar flexion

  Plantaris   O -
Just above lateral condyle of femur   I -
Calcaneus via Achilles tendon   F -
Knee flexion and ankle plantar flexion

Plantaris

O - Just above lateral condyle of femur

I - Calcaneus via Achilles tendon

F - Knee flexion and ankle plantar flexion

  Soleus   O -
Head of fibula and medial border of tibia   I -
Calcaneus via Achilles tendon  F -
Ankle plantar flexion

Soleus

O - Head of fibula and medial border of tibia

I - Calcaneus via Achilles tendon

F - Ankle plantar flexion

  Lateral Lower Leg Musculature    Blue: Tibialis Anterior    Yellow: Extensor Digitorum Longus         Green: Peroneus Longus     Red: Peroneus Brevis

Lateral Lower Leg Musculature

Blue: Tibialis Anterior

Yellow: Extensor Digitorum Longus

Green: Peroneus Longus

Red: Peroneus Brevis

  Tibialis Anterior - Lateral View   O -
Lateral condyle and anterior upper shaft of tibia   I -
Base of 1st metatarsal and medial cuneiform   F -
Ankle dorsi flexion and inversion

Tibialis Anterior - Lateral View

O - Lateral condyle and anterior upper shaft of tibia

I - Base of 1st metatarsal and medial cuneiform

F - Ankle dorsi flexion and inversion

  Tibialis Anterior - Anterior View

Tibialis Anterior - Anterior View

  Extensor Digitorum Longus   O -
Lateral condyle of tibia, anterior surface of fibula and interosseous
membrane  I -
Middle and distal phalanges of lateral 4 digits  F -
Ankle dorsiflexion and extension of toes

Extensor Digitorum Longus

O - Lateral condyle of tibia, anterior surface of fibula and interosseous membrane

I - Middle and distal phalanges of lateral 4 digits

F - Ankle dorsiflexion and extension of toes

  Peroneus Longus   O -
Lateral side and head of fibula   I -
Dorsal surface of 1st metatarsal and medial cuneiform   F -
Plantar flexion and ankle eversion

Peroneus Longus

O - Lateral side and head of fibula

I - Dorsal surface of 1st metatarsal and medial cuneiform

F - Plantar flexion and ankle eversion

  Peroneus Brevis   O -
Lateral shaft of fibula   I -
Base of 5th metatarsal   F -
Plantar flexion and ankle eversion

Peroneus Brevis

O - Lateral shaft of fibula

I - Base of 5th metatarsal

F - Plantar flexion and ankle eversion

  Flexor Digitorum Longus   O -
Lateral condyle of tibia, anterior surface of fibula and interosseous
membrane   I -
Middle and distal phalanges of lateral 4 digits  F -
Ankle plantar flexion and toe flexion

Flexor Digitorum Longus

O - Lateral condyle of tibia, anterior surface of fibula and interosseous membrane

I - Middle and distal phalanges of lateral 4 digits

F - Ankle plantar flexion and toe flexion

  Tibialis Posterior and Flexor Digitorm Longus    Yellow: Flexor Digitorum Longus    Blue: Tibialis Posterior

Tibialis Posterior and Flexor Digitorm Longus

Yellow: Flexor Digitorum Longus

Blue: Tibialis Posterior

  Tibialis Posterior     O -
Posterior tibia and fibula and interosseous membrane  I -
Broad attachment on plantar surface of foot  F -
Ankle plantar flexion and inversion

Tibialis Posterior  

O - Posterior tibia and fibula and interosseous membrane

I - Broad attachment on plantar surface of foot

F - Ankle plantar flexion and inversion

  Flexor Hallucis Longus - Lateral View

Flexor Hallucis Longus - Lateral View

  Flexor Hallucis Longus - Medial View   O - Posterior and inferior surface of fibula  I - Distal phalanx of big toe    F – Ankle plantar flexion and big toe flexion

Flexor Hallucis Longus - Medial View

O - Posterior and inferior surface of fibula

I - Distal phalanx of big toe  

F – Ankle plantar flexion and big toe flexion