lower extremities oian Flashcards
1
Q
pectineus o
A
superior ramus of pubis
2
Q
pectineus i
A
pectineal line of femur
3
Q
pectineus a
A
adducts and flexes thigh
assists with medial rotation of thigh
4
Q
pectineus nerve
A
femoral nerve L2 mainly and l3
5
Q
pectineus muscle is for strength or initiator
A
initiator
6
Q
what are the chief flexor of thigh
A
iliopsoas (psoas and iliacus)
7
Q
major hip extensory
A
glut max
8
Q
iliopsoas function
A
chief flexor of thing when fixed, flexes trunk on hip, prevents hyperextension of jt
9
Q
psoas major o
A
sides and disc of t12-l5, tps of all lumbar
10
Q
psoas major i
A
lesser trochanter of femur
11
Q
psoas major a
A
flexing thing at hip jt and stabilizing it
12
Q
psoas major n
A
ventral rami of lumbar nerves mainly L1, 2 and some L3
13
Q
iliacus o
A
iliac crest, iliac fossa, ala of sacrum, anterior si ligaments
14
Q
iliacus i
A
tendon of psoas major, lesser trochanter and femur distal to ti
15
Q
psoas minor does or doesn’t hip flex
A
doesnt
16
Q
psoas minor o
A
sides of t12-l1 vert and discs
17
Q
psoas minor i
A
pectineal line, iliopectineal eminences
18
Q
psoas minor a
A
may assist flex trunk but not important
19
Q
psoas minor nerve
A
ventral rami of lumbar nerves l1-2
20
Q
Sartorius o
A
ASIS mainly and superior part of notch inferior to it
21
Q
Sartorius i
A
pes anserinus
22
Q
Sartorius a
A
flex, abducts and lat rotates thigh, flex leg at knee jt (figure 4)
23
Q
Sartorius n
A
femoral nerve l2,l3
24
Q
what does the it band nad Sartorius both do
A
stabilize knee jt by inserting on tibia
25
it band inserts on
gerdy's tubercle
26
rectus femoris o
AIIS mainly) and ilium superior to acetablium
27
rectus femoris i
base of patella and by patellar ligament to tibial tuberosity
28
rect fem a
extend leg at knee jt, steadies hip jt and helps iliopsoas flex thigh
29
rect fem n
femoral nerve mainly L3, L4 and some L2
30
vastus lateralis o
great trochanteric and lat lip of linea aspera (on posterior side)
31
vast lat i
base of patella and by pat lig to tib tube
32
vast lat a
exten leg at knee jt
33
vast lat n
femoral mainly L3, L4 some L2
34
vasturs intermedius o
anterior and (back side)lateral surfaces of body of femur
35
vast int i
base of patella and pat lig to tib tub
36
vast I a
extend leg at knee jt
37
vast l nerve
fem n l3, l4 mainly (l2)
38
vast med o
intertrochanteric line and medial lip of linea aspera (back side of fem)
39
vast med i
base of patella by pat lig at tib tub
40
vast med a
extend leg at knee jt
41
vast med n
femoral nerve mainly l3, l4 (some l2)
42
what muscle has two portions
vast med
43
what are the 2 parts of vast med
VML (longus) and VMO (oblique)
44
articularis genu is a derivative of what
vastus intermedius
45
what kind of jt is the knee
synovial = modified hinge jt
46
articularis genu o
inferior part of ant aspect of femur
47
articularis genu i
synovial membrane of knee jt and wall of suprapatellar bursa
48
articularis genu a
pulls synovial capsule superiorly during extension of leg, thereby preventing folds of the capsule being compressed b/w femur and patella in knee jt
49
tfl o
asis (like Sartorius) and anterior part of iliac crest
50
tfl i
it band that attaches to lat condyle of tib
51
tfl a
PRIMARILY FLEX THIGH
abducts and med rot thigh
helps keep knee extended
steadies trunk on thigh
52
tfl n
superior gluteal (l4, l5)
53
all the muscles of anterior compartment innervated by
femoral nerve
54
all muscles of anterior compartment do what
extend knee
55
muscles of anterior compartment
```
pectineus
psoas major/minor
iliacus
Sartorius
quads
articularis genu
tfl
```
56
muscles of medial compartment
```
adductor longus
add brev
add mag
gracilis
obturator externus
```
57
adductor longus is () and () to brevis
medial and inferior
58
add long o
body of pubis inferior to pubic crest
59
add lon i
middle third of linea aspera
60
add long a
adducts thigh
61
ad long nerve
obturator n
| branch of anterior div (mainly L3, some l2, 4)
62
add brev o
body and inf ramus of pubis
63
add brav i
pectineal line and proximal part of linea aspera
64
add brev a
adducts thight and a lil flex
65
add n
obturator n ant div (l3 mainly)
66
add mag o
adductor part: inferior ramus of pubis, ramus of ischium
hamstring part: ischial tuberosity
67
add mag i
adductor part: gluteal tub, linea aspera, medial supracondylar line
hamstring part: adductor tubercle
68
add mag a
adducts thigh
69
add mag n
obt nerve POSTERIOR division L3 L4 mainl
tibial division of sciatic nerve L4
70
gracilis o
body and inferior ramus of pubis
71
gracilis i
superior part of medial surface of tibia
72
gracilis a
add thigh, flex leg, rotate leg medially
73
gracilis n
obturator L2 mainly (and l3)
74
obturator externus o
margins of obturator foramen (anterior side) and outer surface of obturator membrane
75
obt ext i
trochanteric fossa of femur
76
obt exta a
laterally rotates thigh, steadies head in acetbaulum
77
obt ext n
obturator nerve L4 mainl (l3)
78
all of the muscles of the medial compartment innervated by
obturator n
79
adductor magnus has 2 innervation beside just obturator it also has
tibial portion of sciatic
80
posterior compartment muscles
semitendinousus, semimebranosus, biceps fermoris (long and short head)
81
if a muscle insets into the ischial tuberosity its innervated by the
tibial nerve l4-s3
82
posterior compartment innervated by
sciatic nerve
83
what post compartment muscle not innervated by tibial nerve and innervated by peroneal n
short head of biceps femoris
84
what hamstring muscle sits on top of what
semitendiosis sits ontop of membranosus
85
what inserts into pes anseriturs
sgt pes m
Sartorius, gracilis, semitendinosis on medial side
86
semitendinosus o
ischial tuberosity
87
semiten i
pes ans
88
semiten a
exten thigh, flex leg, rotate it medially when knee is flexed
89
semit n
tibial division L5, S1 mainly and S2
90
what deep tendon reflex does semitend check
L5
91
semimem o
isichial tube
92
semimem i
posterior part of medial condyle of tib and forms oblique popliteal ligament to lat fem condyle (so on both sides)
93
semimembran a
extend thigh, flex leg, rotate leg medially
94
semimembr n
tibial division of sciativ L5, S1 (and s2 also)
95
what muscle's tendon forms the oblique popliteal ligament
semimembranosus
96
biceps femoris o
long head: ischial tuberosity
short head: linea aspera and lateral supracondylar line of femur
97
bicep femoris i
lateral side of fibula
98
the bicep fem tendon Insertion is split by what
fibular collateral ligament of knee
99
biceps femoris a
flex leg and rotates it laterally when knee is flexed, extend thigh
100
biceps fem n
long head: tibial division of sciatic mainly S1, l5, s2
| short head: common peroneal/fibular mainly S1, l5, s2
101
what 2 muscles in the ant compartment cross 2 jts
rectus femoris, and sartorius
102
what muscle in medial compartment is composite
adductor magnus
103
lateral side of leg find what nerve
femoral
104
medial side of leg find what nerve
obturator
105
tfl inserts what bony ladnamrk
gerdy's tubercle
106
order top down of glut muscles geme
superior gemelus: ischial spine
obturator internus: obtuartor membrane
infer gem: ischial tuberosity
