Muscles of the Lower Extremity: Intinsic Muscles of the Foot Flashcards
Extensor Digitorum Brevis Proximal Attachment
Dorsolateral surface of the calcaneus
Extensor Digitorum Brevis Distal Attachment
Joins lateral sides of EDL tendons of toes 2-4
Extensor Digitorum Brevis Innervation
Deep fibular n. [L5,S1]
Extensor Digitorum Brevis Action
Extends MTP, PIP, & DIP joints of toes 2-4
Extensor Hallucis Brevis Proximal Attachment
Dorsal surface of the calcaneus
Extensor Hallucis Brevis Distal Attachment
Dorsal surface of the proximal phalanx of the great toe
Extensor Hallucis Brevis Innervation
Deep fibular n. [L5,S1]
Extensor Hallucis Brevis Action
Extends MTP joint of great toe
First Layer Muscles
Abductor Hallucis
Flexor Digitorum Brevis
Abductor Digiti Minimi
Abductor Hallucis Proximal Attachment
Medial tubercle of the calcaneus
Abductor Hallucis Distal Attachment
Medial side of the proximal phalanx of the great toe
Abductor Hallucis Innervation
Medial plantar n. [S2,S3]
Abductor Hallucis Action
Abducts MTP joint of great toe
Flexes MTP joint of great toe
Flexor Digitorum Brevis Proximal Attachment
Medial tubercle of the calcaneus
Flexor Digitorum Brevis Distal Attachment
Medial sides of the middle phalanx of digits II-V
Flexor Digitorum Brevis Innervation
Medial plantar n. [S2,S3]
Flexor Digitorum Brevis Action
Flexes MTP & PIP joints of lateral 4 toes
Abductor Digiti Minimi Proximal Attachment
Tuberosity of the calcaneus and plantar aponeurosis
Abductor Digiti Minimi Distal Attachment
Lateral side of proximal phalanx of digit V
Abductor Digiti Minimi Innervation
Lateral plantar n. [S2,S3]