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Extensor Digitorum Brevis Insertion
Base of proximal phalanx of hallux and tendons of extensor digitorum longus
Abductor Digiti Minimi Origin
Calcaneal tuberosity and connective tissue between calcareous and metatarsal V
First- medial side of tendon of flexor digitorum longs associated with toe 2
2nd- 4th- adjacent surfaces of adjacent tendons of flexor digitorum longus
Flexor Hallucis Brevis Origin
Plantar surface of cuboid and lateral cuneiform and tendon of tibialis posterior
Adductor Hallucis Origin
Ligaments of metatarsophalangeal joints of toes 1-3, bases of metatarsals 2-4 and sheath covering fibularis longus
Dorsal Interossei Innervation
1-2- Deep Fibular nerve and Lateral plantar nerve
3-4- Lateral plantar nerve
Dorsal Interossei Function
Abducts toes 2-4 and resist extension of metatarsophalangeal joint and flexion of interphalangeal joints
Plantar Interossei Function
Adduction of toes 3-5 and resist extension of metatarsophlangeal joint and flexion of interphalangeal joints
What muscles are innervated by the medial plantar nerve?
Abductor Halluxis, flexor digitorum brevis and lumbicals to 1st phalanx
What muscles are innervated by the lateral plantar nerve?
Abductor Digiti Minimi, Lumbricals to 2nd-4th phalanges, Adductor hallucis, flexor digiti minimi brevis, dorsal interossei and plantar interossei
The dorsal interossei to 1-2 phalanges is innervated by what 2 nerves?
Deep Fibular nerve and Lateral plantar nerve
What muscles originate on the calcaneal tuberosity?
Abductor hallucis, flexor digitorum brevis, abductor digiti minimi and quadratus plantae
What muscles insert on the medial side of base of proximal phalanx of hallux?
Abductor hallucis and flexor hallucis brevis
What muscles insert on lateral side of base of proximal phalanx of hallux?
Flexor hallucis brevis and adductor hallucis
What muscles insert on the lateral side of base of proximal phalanx of little toe?
Abductor Digiti Minimi and Flexor Digit Minimi Brevis
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