INTRINSIC FOOT MUSCLES Flashcards
Attachments and Actions for: Extensor Digitorum Brevis
O: Dorsal surface of Calcaneus
I: Medial 2-5 Phalanges
A: Extension of 2-5 toes
Attachments and Actions for: Abductor Hallucis
O: Calcaneus
I: Phalanx base of 1st toe
A: Abduction of 1st toe
Attachments and Actions for: Flexor Digitorum Brevis
O: Calcaneus
I: 2-5th Phalanges
A: 2-5th Flexion
Attachments and Actions for: Abductor Digiti Minimi
O: Calcaneus
I: Phalanx of 5th toe
A: Abduction of 5th toe
Attachments and Actions for: Quadratus Plantae
O: Plantar Calcaneus
I: Lateral border of FDL tendon
A: Assists FDL Flexion of 2-5 toes
Attachments and Actions for: Lumbricals
O: FDL Tendons
I: Base of 2-5 Phalanges
A: MTP Flexion / PIPs, DIPs Extension
Attachments and Actions for: Flexor Hallucis Brevis
O: Cuboid and 3rd Cuneiform
I: Base of 1st Phalanx
A: Flexion of 1st MTP
What is the function of the 2 sesamoid bones?
Protects tendons from pressure during standing/walking
Attachments and Actions for: Adductor Hallucis
O: Base of 2-4 MT / Plantar Ligament of MTP
I: Base of 1st Phalanx
A: Adducts 1st toe
Which Inrinsic Foot Muscle help maintain the Transverse Arch?
Adductor Hallucis
Attachments and Actions for: Flexor Digiti Minimi Brevis
O: 5th MT Base
I: Base of 5th Phalanx
A: 5th MTP Flexion
Attachments and Actions for: Dorsal Interossei
O: Adjacent SIDES of MT
I: 2-4 Lateral Phalanges
A: 2-4th MTP Flexion
Attachments and Actions for: Plantar Interossei
O: Medial sides of 3-5 MT
I: 3-5 Medial Phalanges
A: 3-5 MTP Adduction