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Musculoskeletal Anatomy > Foot & Leg > Flashcards

Foot & Leg Flashcards

0
Q

Extensor Hallucis Longus

A

O: fibula, interosseous membrane
I: distal phalanx hallux
A: extend hallux & dorsiflex foot
N: deep fibular (peroneal)

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1
Q

Tibialis Anertior

A

O: upper 2/3 of tibia; interosseous membrane
I: 1st MT, medial cuneiform
A: dorsiflex, invert foot
N: deep fibular (peroneal)

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2
Q

Fibularis Longus

A

O: upper 2/3 fibula
I: 1st MT; medial cuneiform
A: evert & plantar flex foot
N: superficial fibular

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3
Q

Fibularis Brevis

A

O: lower 1/3 of fibular
I: 5th MT
A: evert & plantar flex foot
N: superficial fibular

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4
Q

Gastrocnemius

A

O: femoral condyles
I: calcaneus
A: plantar flex foot (fast), flex knee
N: tibial n.

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5
Q

Soleus

A

O: upper fibular & tibia
I: calcaneus
A: plantar flex foot (slow), maintaing standing
N: tibial n.

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6
Q

Plantaris

A

O: lateral supracondylar ridge
I: calcaneus
A: plantar flex foot
N: tibial n.

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7
Q

Posterior Group

A

Gastrocnemius
Soleus
Plantaris

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8
Q

Lateral Group

A

Fibularis Longus
Fibularis Brevis
Fibularis Tertius

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9
Q

Flexor Digitorum Longus

A

O: tibial
I: distal phalanges
A: flex toes & plantar flex foot
N: tibial

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10
Q

Deep Posterior Group

A

Flexor Digitorum Longus
Flexor Hallucis Longus
Tibialis Posterior

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11
Q

Flexor Hallucis Longus

A

O: fibula
I: distal phalanx hallux
A: flex hallux & plantar flex foot
N: tibial

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12
Q

Tibialis Posterior

A

O: tibia, fibula, IO membrane
I: navicular, calcaneus, cuboid, all cuneiforms, MTs 2-4
A: invert, plantar flex foot
N: tibial

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13
Q

Fibularis Tertius

A

O: lower 1/3 of fibula
I: 5th MT
A: plantar flex & invert??
N: deep fibular

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14
Q

Anterior muscles of the foot

A 
Tibialis Anterior
Extensor digitorum longus
Extensor hallucis longus
Fibularis tertius
**All dorsiflex**
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15
Q

Posterior muscles of the foot

A

Tibialis posterior
Flexor digitorum & hallucis longus
Fibularis longus & brevis
all plantar flex

16
Q

Dorsal surface of the foot

A

Extensor digitorum brevis

Extensor hallucis brevis

17
Q

Extensor hallucis brevis

A

O: dorsal surface of calcaneus
I: base of proximal phalanx of big toe
A: extend big toe
N: deep fibular n.

18
Q

Extensor digitorum brevis

A

O: dorsal surface of calcaneus
I: proximal phalanges
A: extend toes
N: deep fibular n.

19
Q

Plantar surface of foot, superficial

A

abductor hallucis
flexor digitorum brevis
abductor digiti minimi

20
Q

abductor hallucis

A

O: calcaneus
I: proximal phalanx hallux
A: flex, abduct big toe
N: medial plantar n.

21
Q

flexor digitorum brevis

A

O: calcaneus
I: middle phalanx of 4 toes
A: flex lateral 4 toes
N: medial plantar n.

22
Q

abductor digiti minimi

A

O: calcaneus
I: proximal phalanx of 5th toe
A: flex, abduct 5th toe
N: lateral plantar n.

23
Q

deeper layer, plantar

A

quadratus plantae

lumbrical

24
Q

quadratus plantae

A

O: calcaneus
I: tendons of flexor digitorum longus
A: flex lateral 4 toes
N: lateral plantar n.

25
Q

lumbricals

A 
O: tendons of flexor digitorum longus
I: extensor expansions
A: extend IP, flex MTP joints
N: Lumbrical 1: medial plantar n.
     Lumbrical 2, 3, 4: lateral plantar n.
26
Q

flexor hallucis brevis

A 
O: cuboid, lateral cuneiform
I: proximal phalanx
A: flex MTP jt
N: medial plantar n.
**on either side of flexor hallucis longus**
27
Q

adductor hallucis

A

O: MT for oblique & transverse heads
I: proximal phalanx
A: flex MTP jt
N: lateral plantar n.

28
Q

flexor digiti minimi

A

O: MT 5
I: proximal phalanx
A: lateral plantar n.
N: flex MTP jt.

29
Q

plantar interossei (interpeni)

A

O: metatarsals

I

Musculoskeletal Anatomy (9 decks)

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