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Clinical Anatomy 1 > Lower Extremity Muscles > Flashcards

Lower Extremity Muscles Flashcards

(51 cards)

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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

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A

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

22
Q

obturator externus

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A

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

23
Q

biceps femoris long head

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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

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A

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

25
semitendinosis
inn: tibial division of sciatic n. (L4-S2) -ischial tuberosity -medial tibia Action: hip extension, knee flexion, medial rotation
26
semimembranosis
inn: tibial division of sciatic n. (L4-S2) -ischial tuberosity -medial condyle of femur Action: knee flexion, medial rotation, hip extension
27
tibialis anterior
inn: deep fibular n. (L4-S1) -lateral condyle of femur -medial cuneiform -1st metatarsal Action: dorsiflexion, inversion
28
extensor hallucis longus
inn: deep fibular n. (L4-S1) -middle 1/2 fibula -distal phalynx 1 Action: dorsiflexion, extend digit 1 (MP&IP)
29
extensor digitorum longus
inn: deep fibular n. (L4-S1) -lateral condyle of tibia -dorsal digital expansions 2-5 Action: dorsiflexion, extend digits 2-5 (MP&IP)
30
fibularis tertius
inn: deep fibular n. (L4-S1) - distal fibula - 5th metatarsal action: dorsiflexion, eversion
31
fibularis longus
inn: superficial fibular n. (L4-S1) - proximal 2/3 fibula - medial cuneiform - lateral 1st metatarsal action: plantar flexion, eversion
32
fibularis brevis
inn: superficial fibular n. (L4-S1) - distal 2/3 fibula - base of 5th metarsal action: plantar flexion, eversion
33
gastrocnemius
inn: tibial n. (S1-2) - posterior femoral condyles - calcaneus action: knee flexion, plantar flexion
34
soleus
inn: tibial n. (L5-S2) - proximal 1/3 fibula - soleal line of tibia - calcaneus action: plantar flexion
35
plantaris
inn: tibial n. (L4-S1) -lateral supracondylar line -calcaneus Action: knee flexion, plantar flexion
36
popliteus
inn: tibial n. (L4-S1) - lateral femoral condyle - soleal line of tibia action: medial and lateral rotation of knee
37
flexor digitorum longus
inn: tibial n. (L5-S2) - posterior tibia - plantar base of distal phalanges 2-5 action: plantar flexion, flex digits 2-5 (MP&IP)
38
tibialis posterior
inn: tibial n. (L4-S1) - lateral fibula, medial tibia - navicular - medial and intermediate cuneiforms - base of MT 2-4 action: plantar flexion, inversion
39
flexor hallucis longus
inn: tibial n. (L5-S2) - distal 2/3 fibula - distal phalynx 1 action: plantar flexion, flex digit 1 (MP&IP)
40
extensor hallucis brevis
inn: deep fibular n. (L4-S1) - extensor digitorum brevis - proximal phalynx 1 action: extend digit 1 (MP)
41
extensor digitorum brevis
inn: deep fibular n. (L4-S1) - anterolateral calcaneus - extensor digitorum longus tendons 2-4 action: extend digits 2-5 (MP&IP)
42
abductor hallucis
inn: medial plantar n. (L4-S1) -calcaneal tuberosity -medial proximal phalynx 1 Action: abduct, flex digit 1
43
flexor digitorum brevis
inn: medial plantar n. (L4-S1) - calcaneal tuberosity - intermediate phalynx 2-5 action: flex digits 2-5 (IP)
44
abductor digiti minimi
inn: lateral plantar n. (S1-2) - calcaneal tuberosity - lateral proximal phalynx 5 action: abduct digit 5
45
quadratus plantae
inn: lateral plantar n. (S1-2) - extensor digitorum longus tendons - calcaneal tuberosity action: assist FDL
46
lumbricals
inn: medial plantar n. (1) lateral plantar n. (2-4) -FDL tendons -medial dorsal digital expandsions Actions: flex MP, extends IP
47
flexor hallucis brevis
inn: medial plantar n. (L4-S1) -cuboid -proximal phalynx 1 Action: flex digit 1 (MP)
48
adductor hallucis (oblique head, transverse head)
inn: lateral plantar n. (S1-2) - base of metatarsals 2-4 - distal metatarsals 3-5 action: adducts digit 1
49
flexor digiti minimi brevis
inn: lateral plantar n. (S1-2) -base of 5th metatarsal -proximal phalynx 5 Action: flex digit 5 (MP)
50
plantar interossei (3)
inn: lateral plantar n. (S1-2) - base of MT - dorsal digital expansions 3-5 action: adduct & flex MP digits 3-5
51
dorsal interossei (4)
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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