First layer plantar compartment of foot

Proximal attachment: Calcaneal tuberosity

Distal attachment: Middle phalanges of lateral four toes

Nerve supply: Medial plantar nerve

Main action: Flexes the lateral four toes

First layer plantar compartment of foot

Proximal attachment: Calcaneal tuberosity

Distal attachment: Proximal phalanx of great toe

Nerve supply: Medial plantar artery

Main action: Abducts the great toe

First layer plantar compartment of foot

Proximal attachment: Calcaneal tuberosity

Distal attachment: Proximal phalanx of fifth toe

Nerve supply: Lateral plantar nerve

Main action: Abducts the fifth toe

Second layer plantar compartment of foot

Proximal attachment: Calcaneus

Distal attachment: Tendon of the flexor digitorum longus muscle

Nerve supply: Lateral plantar nerve

Main action: Helps flexor digitorum longus muscle flex the lateral four toes

Second layer plantar compartment of foot

Proximal attachment: Tendons of the flexor digitorum longus muscle

Distal attachment: Extensor expansions of lateral four toes

Nerve supply: Medial plantar nerve for medial one: Lateral plantar nerve for lateral three

Main action: Flex proximal phalanges and extend middle and distal phalanges of lateral four toes

Third layer plantar compartment of foot

Has lateral and medial head

Proximal attachment: Lateral tarsal bones

Distal attachment: Proximal phalanx of great toe

Nerve supply: Medial plantar nerve

Main action: Flexes great toe

Third layer plantar compartment of foot

Proximal attachment: Transerve head-plantar ligaments of MTP joints: Oblique head-bases of metatarsals 2-4

Distal attachment: Proximal phalanx of great toe

Nerve supply: Lateral plantar nerve

Main action: Adducts the great toe (moves toward second toe)

Third layer plantar compartment of foot

Proximal attachment: 5th metatarsal bone

Distal attachment: Proximal phalanx of fifth toe

Nerve supply: Lateral plantar nerve

Main action: Flexes the fifth toe

Fourth layer plantar compartment of foot

3 muscles

Proximal attachment: Plantar aspect of shafts of metatarsals 3-5

Distal attachment: Bases of phalanges of toes 3-5

Nerve supply: Lateral plantar nerve

Main action: Adduct digits 3-5 and flex MTP joints

Fourth layer plantar compartment of foot

4 muscles

Proximal attachment: Shafts of metatarsals 1-5

Distal attachment: 1-medial side of proximal phalanx

2-4-lateral side of 2-4 digits

Nerve supply: Lateral plantar nerve

Main action: Abducts digits 2-4 and flex MTP joints