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OCS prep mine > muscles - just the facts, ma'am > Flashcards

muscles - just the facts, ma'am Flashcards

1
Q 
fibularis longis 
origin
insertion
action
innervation
A
  • prox 2/3 fib
  • medial cuneiform, base 1st MT
  • PF, evert ankle; PF 1st metatarsal
  • superficial fibular n
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2
Q

fibularis brevis

A
  • distal 1/2 fib, IO memb
  • base 5th MT
  • PF, evert, abduct forefoot
  • superficial fib n
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3
Q

tibialis posterior

A
  • posterior tibia, IO membrane, posterior fibula
  • navic, medial cuneiform, (all cuneiforms), base MT 2-4
  • PF, invert, raise medial arch, adduct 1st MT
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4
Q

soleus

A
  • tibia (soleal line)
  • calc tub
  • PF, inv
  • tibial
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5
Q

gastroc

A
  • med and lat epicond femur
  • calc tub
  • PF, inv
  • tibial
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6
Q

FDL

A
  • posterior tibia
  • base DISTAL phalanges 2-5
  • PF, inv, flex MTP, flex IP 2-5
  • tibial
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7
Q

FHL

A
  • posterior FIBULA
  • base distal phalanx 1
  • PF, inv, flex MTP 1, flex IP 1
  • tibial
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8
Q

tibialis anterior

A
  • lat tib upper 2/3, IO memb
  • medial and/or plantar surface of medial cuneiform, base 1st MT
  • DF, inv
  • deep fibular
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9
Q

EDL

A
  • ant fib, (lat tibial condyle, IO memb)
  • base middle and distal phalanges 2-5
  • DF, evert, extend MTP/IP 2-5
  • deep fibular
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10
Q

EHL

A
  • medial fib, IO memb
  • base distal 1st phalanx
  • DF, evert/inv, extend MTP/IP 1
  • deep fibular
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11
Q

rectus femoris

A
  • AIIS, acetabular roof
  • tibial tuberosity
  • flex hip, ext knee
  • femoral n
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12
Q

origin of vastus medialis, lateralis, intermedius

A

linea aspera medial lip
linea aspera lateral lip
anterior femur

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13
Q

biceps femoris long head

A
  • ischila tuberosity, sacrotub lig
  • head of fibula
  • ext hip, flex knee, ER tibia
  • tibial nerve
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14
Q

biceps femoris short head

A
  • linea aspera lat lip
  • head of fibula
  • flex knee, ER tibia
  • common fibular n
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15
Q

semimembranosus

A
  • ischial tub
  • medial tibial condyle
  • ext hip, flex knee, IR tibia
  • tibial n
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16
Q

semitendinosis

A
  • ischial tuberosity, sacrotuberous lig
  • medial to the tibial tub via pes anserinus
  • ext hip, flex knee, IR tibia
  • tibial n
17
Q

popliteus

A
  • lat fem condyle, post horn lat meniscus
  • post tibial surface
  • flex knee, IR tibia, ER femur
  • tibial n
18
Q

pectinius

A
  • superior pubic ramus
  • pectineal line (prox linea aspera)
  • add, IR, flex hip
  • femoral n (obturator n)
19
Q

adductor longus

A
  • pubic body (sup pub ramus)
  • linea aspera med lip
  • add, flex to 70 deg, IR hip
  • obturator n
20
Q

adductor brevis

A
  • inferior pubic ramus
  • linea aspera
  • add, flex to 70, IR hip
  • obturator n
21
Q

adductor magnus POSTERIOR

A
  • ischial ramus, ischial tuberosity
  • adductor tubercle femur
  • add, ER, extend hip
  • TIBIAL n
22
Q

adductor magnus ANTERIOR

A
  • inferior pubic ramus/ischial ramus
  • linea aspera (med lip)
  • add, IR, flex hip
  • obturator n
23
Q

gracilis

A
  • inferior pubic ramus
  • medial to tibial tub: pes anserinus
  • add/flex hip, flex knee, IR tibia
  • obturator n
24
Q

piriformis

A
  • anterior sacrum
  • greater trochanter apex
  • ER hip, abduct hip, extend hip (from neutral)
  • L5-S2 direct from sacral plexus
25
Q

gemellus superior

A
  • ischial spine
  • greater trochanter
  • ER hip, add hip or abd if 30, ext hip
  • L5-S1 direct from sac plexus
26
Q

obturator internus

A
  • inner surf obturator membrane
  • greater trochanter
  • ER hip, add if 30, extend
  • L5, S1 direct
27
Q

gemellus inferior

A
  • ischial tuberosity
  • greater troch
  • ER, add/abd if 30, extend hip
  • L5, S1 direct
28
Q

obturator externus

A
  • outer surface of obturator membrane
  • trochanteric fossa
  • ER, add hip
  • L5, S1 direct
29
Q

quadratus femoris

A
  • Ischial tuberosity
  • intertrochanteric crest
  • ER hip, add hip
  • L5, S1
30
Q

Psoas major

A
  • T12-L4 lateral vert bodies
  • lesser trochanter
  • flex, ER hip, flex/SB LS
  • L1-L3 direct lumbar plexus
31
Q

iliacus

A
  • iliac fossa
  • lesser troch
  • flex, ER hip
  • femoral n
32
Q

Sartorius

A
  • ASIS
  • medial to tibial tuberosity (pes anserinus)
  • flex, abd, ER hip, flex knee, IR tibia
  • femoral n
33
Q

glute max UPPER

A
  • sacrum, ilium (gluteal surface), thoracolumbar fascia
  • lateral condyle tibia via ITB
  • ext, ER, ABD hip
  • inferior gluteal n
34
Q

Glute max lower

A
  • sacrum, ilium (gluteal surf), TL fascia
  • gluteal tuberosity
  • ext, ER, ADD hip
  • inferior gluteal n
35
Q

glute medius

A
  • superior gluteal surface ilium
  • lateral greater troch
  • abd hip
    - ant: flex and IR
    - post: ext and ER
  • superior gluteal nerve
36
Q

Glute minimus

A
  • inf gluteal surface of ilium
  • anterior greater troch
  • abd hip
    - ant: flex and IR
    - post: ext and ER (same as med)
  • superior gluteal n
37
Q

Tensor fasciae latae

A
  • ASIS
  • lateral condyle of tibia via ITB
  • tenses fascia lata, abd, flex, IR hip
  • superior gluteal n

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