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
2
Q
fibularis brevis
A
- distal 1/2 fib, IO memb
- base 5th MT
- PF, evert, abduct forefoot
- superficial fib n
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
4
Q
soleus
A
- tibia (soleal line)
- calc tub
- PF, inv
- tibial
5
Q
gastroc
A
- med and lat epicond femur
- calc tub
- PF, inv
- tibial
6
Q
FDL
A
- posterior tibia
- base DISTAL phalanges 2-5
- PF, inv, flex MTP, flex IP 2-5
- tibial
7
Q
FHL
A
- posterior FIBULA
- base distal phalanx 1
- PF, inv, flex MTP 1, flex IP 1
- tibial
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
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
10
Q
EHL
A
- medial fib, IO memb
- base distal 1st phalanx
- DF, evert/inv, extend MTP/IP 1
- deep fibular
11
Q
rectus femoris
A
- AIIS, acetabular roof
- tibial tuberosity
- flex hip, ext knee
- femoral n
12
Q
origin of vastus medialis, lateralis, intermedius
A
linea aspera medial lip
linea aspera lateral lip
anterior femur
13
Q
biceps femoris long head
A
- ischila tuberosity, sacrotub lig
- head of fibula
- ext hip, flex knee, ER tibia
- tibial nerve
14
Q
biceps femoris short head
A
- linea aspera lat lip
- head of fibula
- flex knee, ER tibia
- common fibular n
15
Q
semimembranosus
A
- ischial tub
- medial tibial condyle
- ext hip, flex knee, IR tibia
- tibial n
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
gemellus superior
- ischial spine
- greater trochanter
- ER hip, add hip or abd if 30, ext hip
- L5-S1 direct from sac plexus
26
obturator internus
- inner surf obturator membrane
- greater trochanter
- ER hip, add if 30, extend
- L5, S1 direct
27
gemellus inferior
- ischial tuberosity
- greater troch
- ER, add/abd if 30, extend hip
- L5, S1 direct
28
obturator externus
- outer surface of obturator membrane
- trochanteric fossa
- ER, add hip
- L5, S1 direct
29
quadratus femoris
- Ischial tuberosity
- intertrochanteric crest
- ER hip, add hip
- L5, S1
30
Psoas major
- T12-L4 lateral vert bodies
- lesser trochanter
- flex, ER hip, flex/SB LS
- L1-L3 direct lumbar plexus
31
iliacus
- iliac fossa
- lesser troch
- flex, ER hip
- femoral n
32
Sartorius
- ASIS
- medial to tibial tuberosity (pes anserinus)
- flex, abd, ER hip, flex knee, IR tibia
- femoral n
33
glute max UPPER
- sacrum, ilium (gluteal surface), thoracolumbar fascia
- lateral condyle tibia via ITB
- ext, ER, ABD hip
- inferior gluteal n
34
Glute max lower
- sacrum, ilium (gluteal surf), TL fascia
- gluteal tuberosity
- ext, ER, ADD hip
- inferior gluteal n
35
glute medius
- superior gluteal surface ilium
- lateral greater troch
- abd hip
- ant: flex and IR
- post: ext and ER
- superior gluteal nerve
36
Glute minimus
- 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
Tensor fasciae latae
- ASIS
- lateral condyle of tibia via ITB
- tenses fascia lata, abd, flex, IR hip
- superior gluteal n
