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Anatomy Exam 4 > Muscles > Flashcards

Muscles Flashcards

(55 cards)

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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

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A

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

24
Q

Adductor Longus

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A

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

25
Adductor Brevis
O: Inferior ramus of pubic bone I: Linea aspera N: Obturator A: Adduction
26
Adductor Magnus
O: Ischiopubic ramus and ischial tuberosity I: Linea aspera, adductor tubercle of femur N: Obturator, tibial A: Adduction
27
Gracilis
O: Inferior ramus of pubis I: Superior part of medial surface of tibia N: Obturator A: Adduction
28
Obturator Externus
O: Margins of obturator foramen and obturator membrane I: Trochanteric fossa of femur N: Obturator A: Adduction
29
Biceps Femoris
O: Ischial tuberosity, linea aspera I: Fibular head N: Tibial A: Hip extension, knee flexion
30
Semitendinosus
O: Ischial tuberosity I: Medial surface of upper tibia N: Tibial A: Hip extension, knee flexion
31
Semimembranosus
O: Ischial tuberosity I: Medial tibial condyle N: Tibial A: Hip extension, knee flexion
32
Gluteus Maximus
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
Gluteus Medius
O: Ilium between anterior and posterior gluteal line I: Greater trochanter N: Superior gluteal A: Abduction, medial rotation, stops sagging
34
Gluteus Minimus
O: Ilium between anterior and inferior gluteal lines I: Greater trochanter N: Superior gluteal A: Abduction, medial rotation
35
Piriformus
O: Anterior surface of sacrum I: Greater trochanter N: S1, S2 A: Lateral rotation
36
Superior Gemellus
O: Ischial spine I: Tendon of obturator internus N: Nerve to obturator internus A: Lateral rotation, extension, abduction of flexed thigh
37
Obturator Internus
O: Obturator membrane and surrounding bone I: Greater trochanter N: Nerve to obturator internus A: Lateral rotation, extension, abduction of flexed thigh
38
Inferior Gemellus
O: Ischial tuberosity I: Tendon of obturator internus N: Nerve to quadratus femoris A: Lateral rotation
39
Quadratus Femoris
O: Ischial tuberosity I: Intertrochanteric crest N: Nerve to quadratus femoris A: Lateral rotation
40
Levator Ani
Puborectalis, Pubococcygeus Iliococcygeus O/I: Floor of pelvis A: Elevate floor of pelvis
41
Coccygeus
O: Sacrospinous ligament and ischial spine I: Coccyx and sacrum N: S4, S5
42
Abductor Hallucis
O: Calcaneal tuberosity I: Base of 1st proximal phalanx N: Medial plantar A: Abduct big toe
43
Flexor Digitorum Brevis
O: Calcaneal tuberosity I: Middle phalanx of toes 2-5 N: Medial plantar A: Flex toes 2-5
44
Abductor Digiti Minimi
O: Calcaneal tuberosity I: Base of 5th proximal phalanx N: Lateral plantar A: Flexion and abduction of little toe
45
Flexor Digitorum Longus
O: Posterior surface of body of tibia I: Base of distal phalanx of toes 2-5 N: Tibial A: Flex toes
46
Flexor Hallicus Longus
O: Posterior middle 1/3 of fibula I: base of distal phalanx of big toe N: Tibial A: Flex big toe, flex ankle
47
Quadratus Plantae
O: Calcaneus I: Tendon of flexor digitorum longus N: Lateral plantar A: Assist flexor digitorum longus in flexion
48
Lumbricals (4)
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
Flexor Digiti Minimi Brevis
O: Base of 5th metatarsal I: 5th proximal phalanx N: Superficial branch of lateral plantar A: Flex and adduct little toe
50
Adductor Hallucis
O: Base of metatarsal 2-4, MP joint ligaments I: base of 1st proximal phalanx N: Lateral plantar A: Adduct big toe
51
Flexor Hallucis Brevis
O: Cuboid I: Base of 1st proximal phalanx N: Medial plantar A: Flex big toe
52
Plantar Interossei (3)
O: Base of metatarsals 3-5 I: Base of proximal phalanx 3-5 N: Lateral plantar A: Adduct toes
53
Dorsal Interossei (4)
O: Adjacent sides of metatarsals 1-5 I: Proximal phalanx of toes 2-4 N: Lateral plantar A: Abduct toes
54
Detrusor
lines bladder involuntary A: empty bladder
55
External urethral sphincter
voluntary tonically active relaxation causes urination

Anatomy Exam 4 (4 decks)

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