Muscles of the Foot Flashcards
(12 cards)
Extensor Hallicus Brevis (Dorsal muscle of the foot)
O- Calcaneus, deep part of inferior extensor retinaculum
I- Big toe
N- Deep fibular nerve
A- Extends big toe
Extensor Digitorum Brevis (Dorsal muscle of the foot)
O- Calcaneus, deep part of inferior extensor retinaculum
I- digits 2-4
N- Deep fibular nerve
A- Extends digits 2-4
Abductor Hallucis (Layer 1)
O- Calcaneus
I- Big toe
N- Medial plantar nerve
A- Abducts and flexes big toe
Flexor Digitorum Brevis (Layer 1)
O- Calcaneus
I- Lateral 4 digits
N- Medial plantar nerve
A- Flexes lateral 4 digits
Abductor digiti minimi (Layer 1)
O- Calcaneus
I- Digit 5
N- Lateral plantar nerve
A- abducts and flexes digit 5
Quadratus Plantae (Layer 2)
O- Calcaneus
I- Tendon of flexor digitorum longus
N- Medial plantar nerve
A- Modifies the effect of flexor digitorum longus by
Flexing lateral 4 digits and changing direction of force so it is parallel to long axis of foot
Lumbricals (Layer 2)
O- Tendon of flexor digitorum longus
I- lateral 4 digits
N- Medial plantar nerve
A- Flex MTP joints; extend proximal and distal interphalangeal joints
Flexor Hallucis Brevis (Layer 3)
O- Cuboid and cuneiforms
I- Big toe
N- Medial plantar nerve
A- Flexes big toe
Adductor Hallucis (Layer 3)
O- Metatarsals
I- Big toe
N- Medial plantar nerve
A- Adducts big toe
Flexor Digiti Minimi (Layer 3)
O- Metatarsal 5
I- Digit 5
N- Lateral plantar nerve
A- Flexes digit 5
Plantar interossei (Layer 4)
3 of them in between toes
Adducts digits
Dorsal Interossei (Layer 4)
4 of them
Abduct digits
