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Clinical Anatomy 1 > Lower Extremity Muscles > Flashcards

Lower Extremity Muscles Flashcards

1
Q

gluteus maximus

A

inn: inferior gluteal n. (L5-S2)
-posterior gluteal line
-sacrum
-greater trochanter
-IT Band
Action: hip extension, lateral rotation

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2
Q

gluteus maximus

A

inn: superior gluteal n. (L4-S1)
-external iliac surface
-greater trochanter
Action: hip abduction, medial rotation

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3
Q

gluteus minimus

A

inn: superior gluteal n. (L4-S1)
-external iliac surface
-greater trochanter
Action: hip abduction, medial rotation

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4
Q

piriformis

A

inn: n. to piriformis (S1-2)
-lateral sacrum
-greater trochanter
Action: hip abduction, lateral rotation

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5
Q

superior gemellus

A

inn: sacral plexus (L5-2)
-spine of ischium
-greater trochanter
Action: lateral rotation

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6
Q

obturator internus

A

inn: n. to obturator internus (L5-S2)
-ischium
-greater trochanter
Action: lateral rotation

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7
Q

inferior gemellus

A

inn: sacral plexus (L4-S1)
-inferior ischial spine
-greater trochanter
Action: lateral rotation

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8
Q

quadratus femoris

A

inn: n. to quadratus femoris (L4-S1)
-ischial tuberosity
-quadrate tubercle
Action: lateral rotation

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9
Q

sartorius

A

inn: femoral n. (L2-4)
-anterior superior iliac spine
-medial tibia
Action: hip flexion, abduction, lateral rotation,
Knee flexion

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10
Q

rectus femoris

A

inn: femoral n. (L2-4)
-anterior inferior iliac spine
-base of patella
Action: hip flexion, Knee extension

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11
Q

tensor fasciae latae

A

inn: superior gluteal n. (L4-S1)
-anterior superior iliac spine
-IT band
Action: hip flexion, medial rotation, abduction

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12
Q

vastus lateralis

A

inn: femoral n. (L2-4)
-intertrochanteric line
-greater trochanter
-linea aspera
-lateral patella
Action: knee extension

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13
Q

vastus intermedius

A

inn: femoral n. (L2-4)
-anterior 2/3 femur
-patella
Action: knee extension

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14
Q

vastus medialis

A

inn: femoral n. (L2-4)
-intertrochanteric line
-linea aspera
-spiral line
-medial supracondylar line
-medial patella
Action: knee extension

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15
Q

iliacus

A

inn: femoral n. (L2-4)
-iliac crest
-lesser trochanter
Action: hip flexion

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16
Q

psoas major

A

inn: ventral rami of lumbar plexus (L1-4)
-anterior TPs of vertebrae
-lesser trochanter
Action: hip flexion

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17
Q

pectineus

A

inn: obturator and femoral nn. (L2-4)
-superior pubic ramus
-pectineal line
Action: hip adduction, flexion

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18
Q

adductor brevis

A

inn: obturator n. (L2-4)
-inferior pubic ramus
-pectineal line
-medial lip of linea aspera
Action: hip adduction, flexion

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19
Q

adductor longus

A

inn: obturator n. (L2-4)
-pubic crest
-linea aspera
Action: hip adduction, flexion

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20
Q

adductor magnus

A

inn: obturator n. (L2-4), tibial div. of sciatic n. (L4-S1)
-inferior pubic ramus
-linea aspera
-supracondylar line
-gluteal tuberosity
Action: hip flexion, adduction, extension

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21
Q

gracilis

A

inn: obturator n. (L2-4)
-inferior pubic ramus
-medial tibia
Action: hip adduction, knee extension, medial rotation

22
Q

obturator externus

A

inn: obturator n. (L3-4)
-pubic ramus
-obturator membrane
-trochanteric fossa
Action: lateral rotation

23
Q

biceps femoris long head

A

inn: tibial division of sciatic n. (L5-3)
-ischial tuberosity
-lateral fibular head
Action: hip extension, knee flexion, knee lateral rotation

24
Q

biceps femoris short head

A

inn: fibular division of sciatic n. (L5-2)
-lateral linea aspera
-lateral supracondylar line
-lateral fibular head
Action: knee flexion, lateral rotation

25
Q

semitendinosis

A

inn: tibial division of sciatic n. (L4-S2)
-ischial tuberosity
-medial tibia
Action: hip extension, knee flexion, medial rotation

26
Q

semimembranosis

A

inn: tibial division of sciatic n. (L4-S2)
-ischial tuberosity
-medial condyle of femur
Action: knee flexion, medial rotation, hip extension

27
Q

tibialis anterior

A

inn: deep fibular n. (L4-S1)
-lateral condyle of femur
-medial cuneiform
-1st metatarsal
Action: dorsiflexion, inversion

28
Q

extensor hallucis longus

A

inn: deep fibular n. (L4-S1)
-middle 1/2 fibula
-distal phalynx 1
Action: dorsiflexion, extend digit 1 (MP&IP)

29
Q

extensor digitorum longus

A

inn: deep fibular n. (L4-S1)
-lateral condyle of tibia
-dorsal digital expansions 2-5
Action: dorsiflexion, extend digits 2-5 (MP&IP)

30
Q

fibularis tertius

A

inn: deep fibular n. (L4-S1)
- distal fibula
- 5th metatarsal
action: dorsiflexion, eversion

31
Q

fibularis longus

A

inn: superficial fibular n. (L4-S1)
- proximal 2/3 fibula
- medial cuneiform
- lateral 1st metatarsal
action: plantar flexion, eversion

32
Q

fibularis brevis

A

inn: superficial fibular n. (L4-S1)
- distal 2/3 fibula
- base of 5th metarsal
action: plantar flexion, eversion

33
Q

gastrocnemius

A

inn: tibial n. (S1-2)
- posterior femoral condyles
- calcaneus
action: knee flexion, plantar flexion

34
Q

soleus

A

inn: tibial n. (L5-S2)
- proximal 1/3 fibula
- soleal line of tibia
- calcaneus
action: plantar flexion

35
Q

plantaris

A

inn: tibial n. (L4-S1)
-lateral supracondylar line
-calcaneus
Action: knee flexion, plantar flexion

36
Q

popliteus

A

inn: tibial n. (L4-S1)
- lateral femoral condyle
- soleal line of tibia
action: medial and lateral rotation of knee

37
Q

flexor digitorum longus

A

inn: tibial n. (L5-S2)
- posterior tibia
- plantar base of distal phalanges 2-5
action: plantar flexion, flex digits 2-5 (MP&IP)

38
Q

tibialis posterior

A

inn: tibial n. (L4-S1)
- lateral fibula, medial tibia
- navicular
- medial and intermediate cuneiforms
- base of MT 2-4
action: plantar flexion, inversion

39
Q

flexor hallucis longus

A

inn: tibial n. (L5-S2)
- distal 2/3 fibula
- distal phalynx 1
action: plantar flexion, flex digit 1 (MP&IP)

40
Q

extensor hallucis brevis

A

inn: deep fibular n. (L4-S1)
- extensor digitorum brevis
- proximal phalynx 1
action: extend digit 1 (MP)

41
Q

extensor digitorum brevis

A

inn: deep fibular n. (L4-S1)
- anterolateral calcaneus
- extensor digitorum longus tendons 2-4
action: extend digits 2-5 (MP&IP)

42
Q

abductor hallucis

A

inn: medial plantar n. (L4-S1)
-calcaneal tuberosity
-medial proximal phalynx 1
Action: abduct, flex digit 1

43
Q

flexor digitorum brevis

A

inn: medial plantar n. (L4-S1)
- calcaneal tuberosity
- intermediate phalynx 2-5
action: flex digits 2-5 (IP)

44
Q

abductor digiti minimi

A

inn: lateral plantar n. (S1-2)
- calcaneal tuberosity
- lateral proximal phalynx 5
action: abduct digit 5

45
Q

quadratus plantae

A

inn: lateral plantar n. (S1-2)
- extensor digitorum longus tendons
- calcaneal tuberosity
action: assist FDL

46
Q

lumbricals

A

inn: medial plantar n. (1) lateral plantar n. (2-4)
-FDL tendons
-medial dorsal digital expandsions
Actions: flex MP, extends IP

47
Q

flexor hallucis brevis

A

inn: medial plantar n. (L4-S1)
-cuboid
-proximal phalynx 1
Action: flex digit 1 (MP)

48
Q

adductor hallucis (oblique head, transverse head)

A

inn: lateral plantar n. (S1-2)
- base of metatarsals 2-4
- distal metatarsals 3-5
action: adducts digit 1

49
Q

flexor digiti minimi brevis

A

inn: lateral plantar n. (S1-2)
-base of 5th metatarsal
-proximal phalynx 5
Action: flex digit 5 (MP)

50
Q

plantar interossei (3)

A

inn: lateral plantar n. (S1-2)
- base of MT
- dorsal digital expansions 3-5
action: adduct & flex MP digits 3-5

51
Q

dorsal interossei (4)

A

inn: lateral plantar n. (S1-2)
-MT shafts
-prox phalynx and dorsal digital expansions 2-4)
Action: abducts and flexes MP digits 2-4

Clinical Anatomy 1 (7 decks)

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