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Clinical Anatomy I > 3 Structure IDs- Ankle & Foot (Muscles/Ligaments) > Flashcards

3 Structure IDs- Ankle & Foot (Muscles/Ligaments) Flashcards

1
Q

Talocrural fibrous capsule

A

Attachments: from the borders of the articular surfaces of the tibia & malleoli to the margins of the trochlear surface of the talus

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2
Q

Medial collateral (deltoid)

A

Attachments: from the medial malleolus to the talus, navicular & sustentaculum tali of the calcaneus

Function: stabilizes joint & resists forced eversion

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3
Q

Lateral ligaments of the ankle

A

Posterior talofibular, calcaneofibular, lateral talocalcaneal, & anterior talofibular

Function: stabilize joint and resist forced inversion

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4
Q

Long plantar

A

Attachments: from the plantar surface of the calcaneus & cuboid to the plantar surface of the bases of the metatarsals

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5
Q

Plantar calcaneocuboid

A

Attachments: from the calcaneus to the plantar surface of the cuboid

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6
Q

Plantar calcaneonavicular

A

Attachments: from the anterior margin of the sustentaculum tali to the plantar surface of the navicular

Function: supports the medial longitudinal arch of the foot

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7
Q

Abductor digiti minimi (S1-2)

A

Attachments: from calcaneal tuberosity to lateral side of proximal phalangeal base of 5th digit

Actions: abducts & flexes 5th digit

Innervation: lateral plantar n.

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8
Q

Abductor hallucis (L4-S1)

A

Attachments: from medial calcaneal tuberosity to medial side of proximal phalangeal base of great toe

Actions: flexes & abducts great toe

Innervation: medial plantar n.

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9
Q

Adductor hallucis (S1-2)

A

Attachments: from 2-4 metatarsal bases (oblique head) & distal ends of 3-5 metatarsal (transverse head) to lateral base of proximal phalanx of great toe

Actions: adducts great toe

Innervation: lateral plantar n.

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10
Q

Extensor digitorum brevis (L4-S1; medial slip is extensor hallucis brevis)

A

Attachments: from anterolateral calcaneus to dorsal aspect of the base of the proximal phalanx (digit 1 for EHB) or to the lateral side of tendons of extensor digitorum longus (digits 2-4 for EDB)

Actions: extension of digits 2-5 (MP & IP; EDB) and extension of digit 1 (EHB)

Innervation: deep fibular n.

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11
Q

Extensor hallucis brevis (L4-S1)

A

Attachments: from extensor digitorum brevis to dorsal aspect of the base of the proximal phalanx of the hallux

Action: extension of great toe at metatarsophalangeal joint

Innervation: deep fibular n.

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12
Q

Quadratus plantae (S1-2)

A

Attachments: from medial surface of calcaneus & lateral process of calcaneal tuberosity to long flexor tendons

Actions: assists flexor digitorum longus

Innervation: lateral plantar n.

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13
Q

Flexor digitorum brevis (L4-S1)

A

Attachments: from medial process of calcaneal tuberosity to sides of intermediate phalanges of digits 2-5

Actions: flexes toes (proximal IP)

Innervation: medial plantar n.

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14
Q

Flexor digiti minimi brevis (S1-2)

A

Attachments: from 5th metatarsal base to proximal phalangeal base

Actions: flexion of 5th digit (MP)

Innervation: lateral plantar n.

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15
Q

Flexor hallucis brevis (L4-S1)

A

Attachments: from cuboid & tendon of tibialis posterior to base of the proximal phalanx of great toe

Actions: flexion of great toe (MP)

Innervation: medial plantar n.

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16
Q

Dorsal interossei (S1-2)

A

Attachments: from metatarsal shafts to proximal phalangeal bases & dorsal digital expansions of digits 2-4

Actions: abducts (MP) & flexes (MP) digits 2-4

Innervation: lateral plantar n.

17
Q

Plantar interossei (S1-2)

A

Attachments: from plantar surface of base of metatarsals to dorsal digital expansions of digits 3-5

Actions: adducts & flexes (MP) digits 3-5

Innervation: lateral plantar n.

18
Q

Lumbricals (1st: L4-S1; 2nd-4th: S1-2)

A

Attachments: from tendons of flexor digitorum longus to medial sides of dorsal expansions of digits 2-5

Actions: flexes proximal phalanges (MP) and extend IP joints

Innervation: 1st: medial plantar n.; 2nd-4th: lateral plantar n.

Clinical Anatomy I (12 decks)

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