Shared Flashcard Set

Details

Foot
Muscles of 4 layers of foot
10
Anatomy
Graduate
01/24/2015

Additional Anatomy Flashcards

 


 

Cards

Term
Flexor digitorum brevis
Definition

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

Term
Abductor hallucis muscle
Definition

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

Term
Abductor digiti minimi muscle
Definition

 

 

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

Term
Quadratus plantae
Definition

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

Term
Lumbrical muscles
Definition

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

Term
Flexor hallucis brevis muscle
Definition

 

 

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

Term
Adductor hallucis muscle (7)
Definition

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)

Term
Flexor digiti minimi muscle
Definition

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

Term
Plantar interossei (PAD)
Definition

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

Term
Dorsal interossei (DAB)
Definition

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

Supporting users have an ad free experience!