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Anatomy Exam 3 > Quiz 3 > Flashcards

Quiz 3 Flashcards

1
Q

Abductor digiti minimi

A

Lateral plantar n.

Abducts and flexes 5th digit

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2
Q

Abductor hallucis

A

Medial plantar n.

Abducts and flexes 1st digit

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3
Q

Adductor brevis

A

Obturator n.

Adducts thigh at hip, weak hip flexor

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4
Q

Adductor hallucis

A

Deep branch of lateral plantar n.

Adducts 1st digit, maintains transverse arch of foot

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5
Q

Adductor longus

A

Obturator n. (anterior division)

Adducts thigh at hip

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6
Q

Adductor magnus

A

Adductor part:
obturator n.
adducts and flexes thigh

Hamstring part:
sciatic n.
extends thigh

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7
Q

Articularis genus

A

femoral n.

Pulls supratellar bursa superiorly with extension of knee

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8
Q

Biceps femoris

A

Long head:
Sciatic n. (tibial division, L5-S2)
Short head:
sciatic n. (common fibular division)

Flexes and laterally rotates leg, extends thigh at hip

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9
Q

Dorsal interossei (4 muscles)

A

Lateral plantar n.

Abducts through 4th toes, flex metatarsophalangeal joints, and extends phalanges

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10
Q

Extensor digitorum brevis and extensor hallucis brevis

A

Deep fibular n.

Aids the extensor digitorum longus in extending of 4 medial digits at the metatarsophalangeal and interphalangeal joints

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11
Q

Extensor digitorum longus

A

Deep fibular n.

Extends lateral four digits and dorsiflexes foot at ankle

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12
Q

Extensor hallucis longus

A

Deep fibular n.

Extends great toe, dorsiflexes foot at ankle

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13
Q

Fibularis peroneus brevis

A

Superficial fibular n.

Everts foot and weakly plantarflexes foot at ankle

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14
Q

Fibular peroneus longus

A

Superficial fibular n.

Everts foot and weakly plantarflexes foot at ankle

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15
Q

Fibularis peroneus tertius

A

Deep fibular n.

Dorsiflexes foot at ankle and aids in eversion of foot

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16
Q

Flexor digiti minimi brevis

A

Superficial branch of lateral plantar n.

Flexes proximal phalanx of 5th digit

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17
Q

Flexor digitorum brevis

A

Medial plantar n.

Flexes 2nd through 5th digits

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18
Q

Flexor digitorum longus

A

Tibial n.

Flexes lateral four digits and plantarflexes foot at ankle; supports longitudinal arches of foot

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19
Q

Flexor hallucis brevis

A

Medial plantar n.

Flexes proximal phalanx of 1st digit

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20
Q

Flexor hallucis longus

A

Tibial n.

Flexes all joints of great toe, weakly plantarflexes foot at ankle

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21
Q

Gastrocnemius

A

Tibial n.

Plantarflexes foot at ankle joint, assists in flexion of knee joint, raises heel during walking

22
Q

Gluteus maximus

A

Inferior gluteal n.

Extends flexed thigh, assists in lateral rotation, and abducts thigh

23
Q

Gluteus medius

A

Superior gluteal n.

Abducts and medially rotates thigh at hips; steadies pelvis on leg when opposite leg is raised

24
Q

Gluteus minimus

A

Superior gluteal n.

Abducts and medially rotates thigh at hips; steadies pelvis on leg when opposite leg is raised

25
Q

Gracilis

A

Obturator n.

Adducts thigh, flexes and medially rotates leg

26
Q

Iliacus

A

Femoral n.

Flexes hip and stabilized hip joint; acts with psoas major

27
Q

Inferior gamellus

A

N. to quadratus femoris

Laterally rotates extended thigh at the hip

28
Q

Lumbricals

A

Medial one: medial plantar n.
Lateral three: lateral plantar n.

Flexes proximal phalanges at MTP joint, extends phalanges at PIP and Dip joints

29
Q

Obturator externus

A

Obturator n.

Laterally rotates thigh, stabilizes head of femur in acetabulum

30
Q

Obturator internus

A

N. to obturator internus

Laterally rotates extends thigh, abducts flexed thigh at hip

31
Q

Pectineus

A

Femoral n. and sometimes obturator n.

Adducts and flexes thigh at hip

32
Q

Piriformis

A

Ventral rami of L5, S1, S2

Laterally rotates extended thigh, abducts flexed thigh at hip

33
Q

Plantar interossei (3 muscles)

A

Lateral plantar n.

Adduct digits (2-4) and flex metatarsophalangeal joint and extend phalanges

34
Q

Plantaris

A

Tibial n.

Weakly assists gastrocnemius

35
Q

Popliteus

A

Tibial n. (L4-S1)

Weakly flexes knee and unlocks it by rotating femus on fixed tibia

36
Q

Psoas major

A

Ventral rami of first four lumbar n.

Acting superiorly with iliacus: flexes hip
Acting inferiorly: flexes vertebral column laterally, used to balance trunk in sitting position
Acting inferiorly with iliacus: flexes trunk

37
Q

Quadratus femoris

A

N. to quadratus femoris

Laterally rotates thigh at hip

38
Q

Quadratus plantae

A

Lateral plantar n.

Corrects for oblique pull of flexor digitorum longus tendor, thus assists in flexion of toes

39
Q

Rectus femoris (quadriceps)

A

Femoral n.

Extends leg at knee joint and flexes thigh at hip joint

40
Q

Sartorius

A

Femoral n.

Abducts, laterally rotates, and flexes thigh; flexes knee joint

41
Q

Semimembranosus

A

Sciatic n. (tibial division)

Flexes leg, extends thigh

42
Q

Semitendinosus

A

Sciatic n. (tibial division)

Flexes leg, extends thigh

43
Q

Soleus

A

Tibial n.

Plantarflexes foot at ankle, stabilizes leg over foot

44
Q

Superior gamellus

A

N. to obturator internus

Laterally rotates extended thigh at the hip

45
Q

Tensor fasciae latae

A

Superior gluteal n.

Abducts, medially rotates, and flexes thigh at hip; helps to keep knee extended

46
Q

Tibialis anterior

A

Deep fibular n.

Dorsiflexes foot at ankle and inverts foot

47
Q

Tibialis posterior

A

Tibial n.

Plantarflexes foot at ankle and inverts foot

48
Q

Vastus intermedius (quadriceps)

A

Femoral n.

Extends leg at knee joint

49
Q

Vastus lateralis (quadriceps)

A

Femoral n.

Extends leg at knee joint

50
Q

Vastus meedialis (quadriceps)

A

Femoral n.

Extends leg at knee joint

Anatomy Exam 3 (1 decks)

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