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Origin, insertion, innervation of abductor hallucis
- O: Medial side tuberosity calcaneus
- I: medial side base proximal phalanx hallux
- N: medial plantar nerve
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O, I, N of adductor hallucis
- O: base MT 2-4, head MT 3-5
- I: lat side base prox phalanx hallux
- N: deep branch lat plantar nerve
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OIN Flexor hallucis brevis
- O: cuboid, lat cuneiform, medial side 1st MT
- I: prox phalanx
- N: med plantar nerve
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OIN flexor digitorum brevis
- O: plantar aponeurosis, tuberosity calcaneus
- I: base MIDDLE phalanx digit 2-5
- N: medial plantar nerve
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OIN ext hallucis longus
- O: middle half fibula
- I: base distal phalanx hallux
- N: deep fibular nerve
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OIN extensor hallucis brevis
- O: superolateral calcaneus
- I: dorsum base prox phalanx hallucis
- N: deep fibular nerve
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OIN extensor digitorum longus
- O: lat condule tibia, ant fibula, IO membrane
- I: dorsum digits 2-5
- N: deep fibular nerve
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OIN extensor digitorum brevis
- O: superolateral calcaneus
- I: ext expansion digit 2-4
- N: deep fibular nerve
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OIN fibularis tertius
- O: distal anterior fibula
- I: dorsum shaft 5th MT
- N: deep fibular nerve
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OIN Fn quadratus plantae
- O: ant portion calcaneus, long plantus ligament
- I: tendon FDL
- N: lateral plantar nerve
- Fn: flex toes
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OIN Fn dorsal IO foot
- O: shafts of adjacent MT bones
- I: bases prox phalanges 2-4
- N: deep branch lateral plantar nerve
- Fn. abduct, flex MTP, extend IP
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OIN Fn plantar IO foot
- O: base+medial side MT 3-5
- I: base prox phalange and ext expansion digit 3-5
- N: deep branch lat plantar nerve
- Fn: adduct, flex MTP, extend IP 3-5
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