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Anatomy Exam 4 > Muscles > Flashcards

Muscles Flashcards

1
Q

Tibialis Anterior

A

O: Tibia and internal oblique membrane
I: med. cuneiform and 1st metatarsal
N: Deep peroneal
A: dorsiflex, extend toes

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2
Q

Extensor Hallucis Longus

A

O: Fibula and internal oblique membrane
I: distal phalanx of 1st toe
N: Deep peroneal
A: dorsiflex, extend toes

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3
Q

Extensor Digitorum Longus

A

O: Tibia, fibula, and internal oblique membrane
I: Middle and distal phalanges of toes 2-5
N: Deep peroneal
A: dorsiflex, extend toes

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4
Q

Peroneus Tertius

A

O: Fibula and internal oblique membrane
I: 5th metatarsal base
N: Deep peroneal
A: dorsiflex, extend toes

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5
Q

Peroneus Longus

A

O: Lateral fibula
I: base of 1st metatarsal and medial cuneiform
N: Superficial peroneal
A: Evert

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6
Q

Peroneus Brevis

A

O: Lateral fibula
I: Tuberosity of 5th metatarsal
N: Superficial peroneal
A: Evert

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7
Q

Gastrocnemius

A

O: Lateral and medial condyles of femur
I: Calcaneus
N: Tibial
A: Knee flexion, plantar flexion

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8
Q

Soleus

A

O: Fibula, soleal line of tibia
I: Calcaneus
N: Tibial
A: Plantar flexion

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9
Q

Plantaris

A

O: Lateral supracondylar line of femur
I: Calcaneus
N: Tibial
A: Knee and plantar flexion, proprioception

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10
Q

Popliteus

A

O: Lateral condyle of femur
I: Superior to soleal line of tibia
N: Tibial
A: unlocks knee, weak flexion

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11
Q

Flexor Hallicus Longus

A

O: Fibula and internal oblique membrane
I: Base of 1st distal phalanx
N: Tibial
A: Plantar flexion

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12
Q

Flexor Digitorum Longus

A

O: Tibia inferior to soleal line
I: Base of distal phalanges of toes 2-5
N: Tibial
A: Plantar flexion

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13
Q

Tibialis Posterior

A

O: Tibia, fibula, and internal oblique membrane
I: Navicular, cuneiforms, cuboid, bases of 2-4 metatarsals
N: Tibial
A: Plantar flexion

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14
Q

Sartorius

A

O: ASIS
I: Superior part of medial tibia
N: Femoral
A: Hip and knee flexion

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15
Q

Rectus Femoris

A

O: AIIS
I: Patella
N: Femoral
A: Hip flexion, knee extension

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16
Q

Vastus Lateralis

A

O: Linea aspera
I: Patella
N: Femoral
A: Hip flexion, knee extension

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17
Q

Vastus Medialis

A

O: Linea aspera
I: Patella
N: Femoral
A: Hip flexion, knee extension

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18
Q

Vastus Intermedius

A

O: Body of femur
I: Patella
N: Femoral
A: Hip flexion, knee extension

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19
Q

Articularis Genu

A

O: Anterior part of femur
I: Synovial membrane of knee
N: Femoral
A: Pull suprapatellar bursa during knee extension

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20
Q

Psoas Major

A

O: Lumbar vertebrae
I: Lesser trochanter
N: Femoral
A: Hip flexion

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21
Q

Iliacus

A

O: Iliac crest and fossa
I: Lesser trochanter
N: Femoral
A: Hip flexion

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22
Q

Tensor Fascia Latae

A

O: ASIS
I: IT band
N: Femoral
A: Hip flexion

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23
Q

Pectineus

A

O: Superior ramus of pubis
I: Pectineal line of femur
N: Femoral and obturator
A: Adduction

24
Q

Adductor Longus

A

O: Body of pubic bone
I: Linea aspera
N: Obturator
A: Adduction

25
Q

Adductor Brevis

A

O: Inferior ramus of pubic bone
I: Linea aspera
N: Obturator
A: Adduction

26
Q

Adductor Magnus

A

O: Ischiopubic ramus and ischial tuberosity
I: Linea aspera, adductor tubercle of femur
N: Obturator, tibial
A: Adduction

27
Q

Gracilis

A

O: Inferior ramus of pubis
I: Superior part of medial surface of tibia
N: Obturator
A: Adduction

28
Q

Obturator Externus

A

O: Margins of obturator foramen and obturator membrane
I: Trochanteric fossa of femur
N: Obturator
A: Adduction

29
Q

Biceps Femoris

A

O: Ischial tuberosity, linea aspera
I: Fibular head
N: Tibial
A: Hip extension, knee flexion

30
Q

Semitendinosus

A

O: Ischial tuberosity
I: Medial surface of upper tibia
N: Tibial
A: Hip extension, knee flexion

31
Q

Semimembranosus

A

O: Ischial tuberosity
I: Medial tibial condyle
N: Tibial
A: Hip extension, knee flexion

32
Q

Gluteus Maximus

A

O: Sacrotuberus ligament, ilium posterior to posterior gluteal line, sacrum, coccyx
I: Gluteal tuberosity and IT band
N: Inferior gluteal
A: Hip extension, lateral rotation

33
Q

Gluteus Medius

A

O: Ilium between anterior and posterior gluteal line
I: Greater trochanter
N: Superior gluteal
A: Abduction, medial rotation, stops sagging

34
Q

Gluteus Minimus

A

O: Ilium between anterior and inferior gluteal lines
I: Greater trochanter
N: Superior gluteal
A: Abduction, medial rotation

35
Q

Piriformus

A

O: Anterior surface of sacrum
I: Greater trochanter
N: S1, S2
A: Lateral rotation

36
Q

Superior Gemellus

A

O: Ischial spine
I: Tendon of obturator internus
N: Nerve to obturator internus
A: Lateral rotation, extension, abduction of flexed thigh

37
Q

Obturator Internus

A

O: Obturator membrane and surrounding bone
I: Greater trochanter
N: Nerve to obturator internus
A: Lateral rotation, extension, abduction of flexed thigh

38
Q

Inferior Gemellus

A

O: Ischial tuberosity
I: Tendon of obturator internus
N: Nerve to quadratus femoris
A: Lateral rotation

39
Q

Quadratus Femoris

A

O: Ischial tuberosity
I: Intertrochanteric crest
N: Nerve to quadratus femoris
A: Lateral rotation

40
Q

Levator Ani

A

Puborectalis, Pubococcygeus
Iliococcygeus
O/I: Floor of pelvis
A: Elevate floor of pelvis

41
Q

Coccygeus

A

O: Sacrospinous ligament and ischial spine
I: Coccyx and sacrum
N: S4, S5

42
Q

Abductor Hallucis

A

O: Calcaneal tuberosity
I: Base of 1st proximal phalanx
N: Medial plantar
A: Abduct big toe

43
Q

Flexor Digitorum Brevis

A

O: Calcaneal tuberosity
I: Middle phalanx of toes 2-5
N: Medial plantar
A: Flex toes 2-5

44
Q

Abductor Digiti Minimi

A

O: Calcaneal tuberosity
I: Base of 5th proximal phalanx
N: Lateral plantar
A: Flexion and abduction of little toe

45
Q

Flexor Digitorum Longus

A

O: Posterior surface of body of tibia
I: Base of distal phalanx of toes 2-5
N: Tibial
A: Flex toes

46
Q

Flexor Hallicus Longus

A

O: Posterior middle 1/3 of fibula
I: base of distal phalanx of big toe
N: Tibial
A: Flex big toe, flex ankle

47
Q

Quadratus Plantae

A

O: Calcaneus
I: Tendon of flexor digitorum longus
N: Lateral plantar
A: Assist flexor digitorum longus in flexion

48
Q

Lumbricals (4)

A

O: Tendon of flexor digitorum longus
I: Flexor sheath of toes 2-5
N: Medial and lateral plantar
A: Flex MP joints, extend interphalangeal joints

49
Q

Flexor Digiti Minimi Brevis

A

O: Base of 5th metatarsal
I: 5th proximal phalanx
N: Superficial branch of lateral plantar
A: Flex and adduct little toe

50
Q

Adductor Hallucis

A

O: Base of metatarsal 2-4, MP joint ligaments
I: base of 1st proximal phalanx
N: Lateral plantar
A: Adduct big toe

51
Q

Flexor Hallucis Brevis

A

O: Cuboid
I: Base of 1st proximal phalanx
N: Medial plantar
A: Flex big toe

52
Q

Plantar Interossei (3)

A

O: Base of metatarsals 3-5
I: Base of proximal phalanx 3-5
N: Lateral plantar
A: Adduct toes

53
Q

Dorsal Interossei (4)

A

O: Adjacent sides of metatarsals 1-5
I: Proximal phalanx of toes 2-4
N: Lateral plantar
A: Abduct toes

54
Q

Detrusor

A

lines bladder
involuntary
A: empty bladder

55
Q

External urethral sphincter

A

voluntary
tonically active
relaxation causes urination

Anatomy Exam 4 (4 decks)

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