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Anatomy Exam 3 > Muscles- leg and dorsum of foot > Flashcards

Muscles- leg and dorsum of foot Flashcards

1
Q

Tibialis anterior

attachment

A

lateral condyle and lateral surface of tibia, medial cuneiform, base of 1st metatarsal

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2
Q

Tibialis anterior

action

A

dorsiflexes and inverts foot

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3
Q

Tibialis anterior

innervation

A

Deep fibular nerve (L4-L5)

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4
Q

Extensor digitorum longus

attachment

A

lateral condyle of tibia, medial surface of fibula, extensor expansions to middle and distal phalanges of digits 2-5

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5
Q

Extensor digitorum longus

action

A

extends digits 2-5 at IP and MTP joints and dorsiflexes foot

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6
Q

Extensor digitorum longus

innervation

A

Deep fibular nerve (L4-L5)

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7
Q

Extensor hallicus longus

attachment

A

anterior surface of fibula, distal phalanx of digit 1

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8
Q

Extensor hallicus longus

action

A

extends digit 1 at IP and MTP joints and dorsiflexes foot

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9
Q

Extensor hallicus longus

innervation

A

Deep fibular nerve (L4-L5)

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10
Q

Fibularis tertius

attachment

A

anterior surface of fibula, base of 5th metacarpal

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11
Q

Fibularis tertius

action

A

dorsiflexes and everts foot

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12
Q

Fibularis tertius

innervation

A

Deep fibular nerve (L4-L5)

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13
Q

Fibularis longus

attachment

A

lateral surface of fibula, base of 1st metatarsal, medial cuneiform

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14
Q

Fibularis longus

action

A

everts and plantar flexes foot

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15
Q

Fibularis longus

innervation

A

Superficial fibular nerve (L5-S2)

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16
Q

Fibularis brevis

attachment

A

lateral surface of fibula, tuberosity of 5th metatarsal

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17
Q

Fibularis brevis

action

A

everts and plantar flexes foot

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18
Q

Fibularis brevis

innervation

A

Superficial fibular nerve (L5-S2)

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19
Q

Gastrocnemius

attachment

A

Lateral head: lateral condyle of femur
Medial head: medial condyle of femur
Both: Posterior surface of calcaneus via calcaneal tendon

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20
Q

Gastrocnemius

action

A

plantar flexes foot and flexes leg

21
Q

Gastrocnemius

innervation

A

Tibial nerve (S1-S2)

22
Q

Soleus

attachment

A

posterior surface of fibula, soleal line and medial surface of tibia, posterior surface of calcaneus via calcaneal tendon

23
Q

Soleus

action

A

plantar flexes foot

24
Q

Soleus

innervation

A

Tibial nerve (S1-S2)

25
Q

Plantaris

attachment

A

lateral supracondylar line of femur, posterior surface of calcaneus via calcaneal tendon

26
Q

Plantaris

action

A

plantar flexes foot

27
Q

Plantaris

innervation

A

Tibial nerve (S1-S2)

28
Q

Popliteus

attachment

A

lateral condyle of femur, lateral meniscus, superior to soleal line of tibia

29
Q

Popliteus

action

A

flexes and medially rotates leg

30
Q

Popliteus

innervation

A

Tibial nerve (L4-S1)

31
Q

Flexor hallicus longus

attachment

A

posterior surface of fibula, distal phalanx of digit 1

32
Q

Flexor hallicus longus

action

A

flexes digit 1 at IP and MTP joints, plantar flexes foot

33
Q

Flexor hallicus longus

innervation

A

Tibial nerve (S2-S3)

34
Q

Flexor digitorum longus

attachment

A

posterior surface of tibia, distal phalanges of digits 2-5

35
Q

Flexor digitorum longus

action

A

flexes digits 2-5 at IP and MTP joints, plantar flexes foot

36
Q

Flexor digitorum longus

innervation

A

Tibial nerve (S2-S3)

37
Q

Tibialis posterior

attachment

A

posterior surface of tibia and fibula, navicular, cuboid, calcaneus, and cuneiforms, bases of metatarsals 2-4

38
Q

Tibialis posterior

action

A

plantar flexes and inverts foot

39
Q

Tibialis posterior

innervation

A

Tibial nerve (L4-L5)

40
Q

Extensor digitorum brevis

attachment

A

calcaneus, tendons of extensor digitorum longus muscle of digits 2-4

41
Q

Extensor digitorum brevis

action

A

extends digits 2-4 at IP and MTP joints

42
Q

Extensor digitorum brevis

innervation

A

Deep fibular nerve (L5-S1)

43
Q

Extensor hallicus brevis

attachment

A

calcaneus to proximal phalanx of digit 1

44
Q

Extensor hallicus brevis

action

A

extends digit one at MTP joint

45
Q

Extensor hallicus brevis

innervation

A

Deep fibular nerve (L5-S1)

46
Q

Dorsal interossei

attachment

A

adjacent sides of metatarsals, proximal phalanges of digits 2-4, extensor expansions of digits 2-4 (these are muscles of the SOLE of the foot)

47
Q

Dorsal interossei

action

A

abducts digits 3&4; medially and laterally abduct digit 2; flex MTP joints of digits 2-4; extend IP joints of digits 2-4

48
Q

Dorsal interossei

innervation

A

Tibial nerve (S2-S3)

Anatomy Exam 3 (9 decks)

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