Flashcards in Glute and Thigh Muscles Deck (87):
1
tensor fascia latae
-origin
anterior part of iliac crest
iliac tubercle
ASIS
deep surface of fascia lata
2
tensor fascia latae
-insertion
iliobitial tract of fascia lata
-attaches to lateral condyle of tibia
3
tensor fascia latae
-actions
thigh
-flexion
-medial rotation (internal)
-abduction
tenses fascia lata
may assist in knee extension
steadies trunk on thigh
4
tensor fascia latae
-innervation
superior gluteal nerve
-dorsal divisional of L4, L5, S1
5
gluteus maximus
-origin
external surface
-ala of ilium - posterior to posterior gluteal line
-iliac crest
dorsal surface of sacrum
coccyx
sacrotuberous ligament
6
gluteus maximus
-insertion
iliotibial tract (which inserts in lateral condyle of tibia)
gluteal tuberosity of femur
7
gluteus maximus
-actions
thigh
-extension (more in forced movements such as climbing and running)
lateral rotation
steadies thigh flexion (during sitting)
extends pelvis when thigh fixed
8
gluteus maximus
-innervation
inferior gluteal nerve
-dorsal divisions of L5, S1, S2
9
gluteus medius
-origin
external surface of ilium
-between anterior and posterior gluteal lines
10
gluteus medius
-insertion
lateral surface of greater trochanter of femur
11
gluteus medius
-actions
abduction of thigh
medial rotation of thigh (anterior fibers)
lateral rotation of thigh (posterior fibers)
steadies pelvis (tilts) to same side during locomotion, allowing opposite side foot to clear ground
-fixing of femur and abduction tilts the pelvis
12
gluteus medius
-innervation
superior gluteal nerve
-dorsal divisions of L4, L5, S1
13
gluteus minimus
-origin
external surface of ilium
-between anterior and inferior gluteal lines
14
gluteus minimus
-insertion
anterior surface of greater trochanter of femur
15
gluteus minimus
-actions
abduction of thigh
medial rotation of thigh
steadies pelvis (same as G. medius)
16
gluteus minimus
-innervation
superior gluteal nerve
-dorsal divisions of L4, L5, S1
17
piriformis
-origin
anterior surface of sacrum (within the pelvis)
superior margin of greater sciatic notch
sacrotuberous ligament
18
piriformis
-insertion
superior border of the greater trochanter
-leaves pelvis minor through greater sciatic foramen
19
piriformis
-actions
rotates thigh (extended) laterally
abducts (flexed) thigh
assist in holding the head of the femur in the acetabulum
20
piriformis
-innervation
dorsal division branches of ventral rami of S1 and S2
21
obturator internus
-origin
pelvic surfaces of ilium and ischium
internal surface of obturator membrane
22
obturator internus
-insertion
medial surface of greater trochanter of femur
23
obturator internus
-actions
laterally rotates extended thigh
abducts flexed thigh
assists in holding head of femur in acetabulum
24
obturator internus
-innnervation
nerve to obturator internus (ventral divisions of L5, S1
25
obturator externus
-origin
rami of pubis and ischium
external surface of obturator membrane
26
obturator externus
-insertion
trochanteric fossa of femur
27
obturator externus
-actions
laterally rotates extended thigh
steadies head of femur in acetabulum
28
obturator externus
-innervation
obturator nerve (L3, L4)
29
gemellus superior, inferior
-origin
superior
-ischial spine
inferior
-ischial tuberosity
30
gemellus superior, inferior
-insertion
medial surface of greater trochanter
-common tendon with obturator internus
31
gemellus superior, inferior
-actions
same as obturator internus
-laterally rotates extended thigh
abducts flexed thigh
assists in holding head of femur in acetabulum
32
gemellus superior, inferior
-innervation
superior
-nerve to obturator internus (ventral divisions of L5, S1)
inferior
-nerve to quadratus femoris (ventral divisions of L5, S1)
33
quadratus femoris
-origin
lateral border of ischial tuberosity
-inferior to gemellus inferior
34
quadratus femoris
-insertion
on and inferior to quadrate tubercle on intertrochanteric crest
35
quadratus femoris
-actions
laterally rotates thigh
steadies femoral head in acetabulum
36
quadratus femoris
-innervation
nerve to quadratus femoris (ventral divisions of L5, S1)
37
iliopsoas (psoas major, iliacus)
-origin
p. major
-transverse process of lumbar vertebrae, sides of bodies of T12-L5 (including discs)
iliacus
-superior 2/3 of iliac fossa
-ala of sacrum
-anterior sacroiliac ligament
38
iliopsoas (psoas major, iliacus)
-insertion
p. major
-strong tendon into lesser trochanter
iliacus
-tendon of psoas
-lesser trochanter
-shaft of femur inferior to lesser trochanter
39
iliopsoas (psoas major, iliacus)
-actions
with vertebral column fixed (acting superiorly)
-both flex thigh
with thigh fixed (acting inferiorly)
-lateral flexion of vertebral column
acting inferiorly with other side and iliacus
-flexes trunk
balances trunk when sitting
40
iliopsoas (psoas major, iliacus)
-innervation
p. major
-lumbar plexus (ventral rami L1-3(4)
iliacus
-femoral nerve L2-L4
41
sartorius
-origin
ASIS
superior part of notch inferior
42
sartorius
-insertion
superior part of medial surface of tibia
43
sartorius
-actions
thigh
-flexion
-abduction
-lateral rotation
knee
-flexion
44
sartorius
-innervation
femoral nerve L2-L4
45
Quadriceps femoris (rectus femoris; vastus lateralis, intermedius & medialis)
-origin
R. femoris
-AIIS
-groove superior to acetabulum
V. lateralis
-greater trochanter
-lateral lip of linea aspera
V. intermedius
-anterior and lateral surfaces of body of femur
V. medialis
-intertrochanteric line
-medial lip of linea aspera
-spiral lines
46
Quadriceps femoris (rectus femoris; vastus lateralis, intermedius & medialis)
-insertion
base of patella
via patellar ligament to tibial tuberosity
47
Quadriceps femoris (rectus femoris; vastus lateralis, intermedius & medialis)
-actions
extends leg at knee
R. femoris
-steadies hip joint
-helps iliopsoas flex thigh
48
Quadriceps femoris (rectus femoris; vastus lateralis, intermedius & medialis)
-innervation
femoral nerve L2-4
49
pectineus
-origin
pectineal line of the pubis
50
pectineus
-inseriton
pectineal line of femur
51
pectineus
-actions
thigh adduction at hip
thigh flexion at hip
52
pectineus
-innervation
femoral nerve L2-4
may also receive obturator nerve L2-4
53
adductor longus
-origin
body of pubis inferior to pubic crest
54
adductor longus
-insertion
middle 1/3 of linea aspera
55
adductor longus
-actions
adducts thigh
56
adductor longus
-innervation
obturator nerve L2-4
57
adductor brevis
-origin
body and inferior ramus of pubic bone
58
adductor brevis
-insertion
pectineal line of femur
proximal part of linea aspera
59
adductor brevis
-actions
thigh adduction
thigh flexion
60
adductor brevis
-innervation
obturator nerve L2-4
61
adductor magnus
-origin
adductor part
-inferior ramus of pubic bone
-ramus of ischium
hamstring part
-ischial tuberosity
62
adductor magnus
-insertion
adductor part
-gluteal tuberosity
-linea aspera
-medial supracondylar line
hamstring part
-adductor tubercle of femur
63
adductor magnus
-actions
adductor part
-adducts thigh
-flexes thigh
hamstring part
-extends thigh
-adducts thigh
64
adductor magnus
-innervation
adductor part
-obturator nerve L2-L4
hamstring part
-tibial portion of sciatic nerve L4 (L5-S1)
65
gracilis
-origin
body and inferior ramus of pubic bone
66
gracilis
-insertion
superior part of medial surface of tibia
67
gracilis
-actions
thigh adduction
flexes leg
medial rotation of leg
68
gracilis
-innervation
obturator nerve L2-4
69
semitendinosus
-origin
ischial tuberosity
70
semitendinosus
-insertion
medial surface of superior part of tibia
71
semitendinosus
-action
thigh extension
leg flexion
leg medial rotation
when thigh and leg fixes
-can extend trunk
72
semitendinosus
-innervation
tibial division of sciatic nerve L5-S2
73
Semimembranosus
-origin
common origin on ischial tuberosity with semitendinosus and long head of biceps femoris
74
Semimembranosus
-insertion
posterior part of medial condyle of tibia
oblique popliteal ligament
75
Semimembranosus
-actions
same as semitendinosus
-thigh extension
-leg flexion
-leg medial rotation
-can extend truck when thigh and leg fixed
76
Semimembranosus
-innervation
tibial division of sciatic nerve L5-S2
77
biceps femoris (long head, short head)
-origin
long head
-ischial tuberosity
short head
-lateral lip of linea aspera and lateral supracondylar line
78
biceps femoris (long head, short head)
-insertion
lateral side of head of fibula
tendon is split by lateral collateral ligament
79
biceps femoris (long head, short head)
-action
leg flexion
leg lateral rotation
extends thigh at beginning of walking
80
biceps femoris (long head, short head)
-innervation
long head
-tibial division of sciatic nerve L5-S2
short head
-common peroneal division of sciatic nerve L5-S2
81
superior gluteal nerve
-nerve roots
-muscles innervated
roots
-L4, L5, S1 dorsal divisions
muslces
-TFL
-gluteus medius
-gluteus minimus
82
inferior gluteal nerve
-nerve roots
-muscles innervated
roots
-L5, S1, S2 dorsal divisions
muscles
-gluteus maximus
83
femoral nerve
-nerve roots
-muscles innervated
roots
-L2-4 dorsal divisions
muscles
-iliacus
-sartorius
-quadriceps femoris
-pectineus
84
obturator nerve
-nerve roots
-muscles innervated
roots
-L2-4 ventral divisions
muscles
-pectineus (possibly)
-all three adductor muscles (except hamstring part of magnus)
-gracilis
85
tibial division of sciatic nerve
-nerve roots
-muscles innervated
roots
-L5-S2 ventral divisions
muscles
-semi T
-semi M
-biceps femoris long head
86
common peroneal division of sciatic nerve
-nerve roots
-muscles innervated
roots
-L5-S2 dorsal divisions
muscles
-biceps femoris short head
87