Intrinsic foot musles Flashcards
Insertion of Dorsal Interosseous
Bases of proximal phalanges for digit 2 (both sides)
& digits 3&4 (lateral sides)
Origin of Dorsal Interosseous
Shafts of adjacent metatarsal bones
Action of Dorsal interosseous
Abducts digits 2-4
Flexes MTP joints and extends interphalangeal joint of digits 2-4
Origin of Extensor Digitorum Brevis
Superolateral surface of calcaneous
Insertion of Extensor Digitorum Brevis
Extensor expansions of digits 2-4
Action of Extensor Digitorum Brevis
Extends digits 2-4
Origin of Extensor Hallucis Brevis
Superolateral surface of calcaneus
Origin of Abductor digiti minimi
Medial and lateral side of the tuberosity of calcaneous
Insertion of Extensor Hallucis Brevis
Dorsum of base of proximal phalanx of big toe
Action of Extensor Hallucis Brevis
Extends big toe
Insertion of Abductor Digiti Minimi
Lateral side of the base of the proximal phalanx of 5th digit
Action of abductor Digiti Minimi
Abducts 5th toe, flexes the 5th MTP joint
Origin of Abductor Hallucis
Medial side of the tuberosity of calcaneous
Insertion of Abductor Hallucis
Medial side of the base of the proximal phalanx of big toe
Action of Abductor Hallucis
Abducts the big toe and flexes the MTP joint
Action of Adductor Hallucis
Adducts the big toe
Origin of Adductor Hallucis
Oblique head : heads of metatarsal 2-4
Transver head: Heads of metatarsals 3-5
Insertion of Adductor Hallucis
Lateral side of base of proximal phalanx of big toe
Origin of Flexor Digiti Minimi Brevis
Base of 5th metatarsal
Inseriton of Flexor Digiti Minimi Brevis
Lateral side of the base of the proximal phalanx of 5th digit
Action of Flexor Digiti Minimi Brevis
Flexes the MTP joint of 5th digit
Action of Flexor Digitorum Brevis
Flexes the MTP and PIP joint of digits 2-5
Origin of Flexor Digitorum Brevis
Tuberosity of calcaneous and plantar aponeurosis
Insertion of Flexor Digitorum Brevis
Bases of distal phalanges of digits 2-5
Origin of Flexor Hallucis Brevis
Cuboid
Lateral cuneiform
Medial side of 1st metatarsal
Insertion of Flexor Hallucis Brevis
Medial belly: Medial side of proximal phalanx of big toe
Lateral belly: Lateral side of proximal phalanx of big toe
Action of Flexor Hallucis Brevis
Flexes the MTP joint of big toe
Origin of lumbricals (foot)
Tendon of the flexor digitorum longus
Insertion of lumbricals (foot)
Medial side of the extensor expansion of digits 2-5
Action of lumbricals (foot)
Flexes MTP joint &
Extends PIP & DIP joints of digits 2-5
Origin of Plantar Interosseous
Base and medial side of metatarsals 3-5
Insertion of Plantar Interosseous
Bases of proximal phalanges and extensor expansions of digits 3-5
Action of Plantar Interosseous
Abducts digits 3-5
Flexes MTP joints and extends interphalangeal joints of digits 3-5
Origin Quadratus Plantae
Anterior portion of the calceneus and long plantar ligament
Insertion Quadratus Plantae
Tendon of the flexor digitorum longus muscle
Action of Qudratus Plantae
Assits the flexor digitorum longus in flexing the toes
