Thigh and knee I Flashcards
(89 cards)
1
Q
deep fascia divides thigh into 3 com:
A
anterior, posterior, medial compartment
2
Q
general actions of + innervation: anterior com of thigh
A
- flex thigh at hip
- extend leg at knee
- femoral nerve (inn)
3
Q
general actions of + innervation: medial com of thigh
A
adductors of thigh at hip joint
- obturator nerve (inn)
4
Q
general actions of + innervation: posterior com of thigh
A
- extend thigh at hip joint
- flex leg at the knee
- sciatic nerve (inn)
5
Q
list (7) anterior com muscles of thigh:
A
- sartorius
- illiacus
- psoas (makes iliopsoas)
quadriceps femoris:
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedius
6
Q
list (5) medial com muscles of thigh:
A
- adductor magnus
- adductor longus
- adductor brevis
- pectineus
- gracilis
7
Q
list (3) posterior com muscles of thigh:
A
- biceps femoris
- semitendinosus
- semimembranosus
8
Q
tensor fasciae latae: location
A
superficial lateral
9
Q
tensor fasciae latae: origin
A
lateral aspect of iliac crest
- btw ASIS and tuberculum
10
Q
tensor fasciae latae: insertion
A
iliotibial tract
11
Q
tensor fasciae latae: innervation
A
superior gluteal n
12
Q
tensor fasciae latae: action
A
stabilises extended knee
13
Q
psoas major: location
A
anterior com thigh, deep
14
Q
psoas major: origin
A
bodies + transverse processes T12-L5 and intervertebral discs
15
Q
psoas major: insertion
A
lesser trochanter
16
Q
psoas major: innervation
A
L1, L2, L3
17
Q
psoas major: action
A
flexes thigh at the hip
18
Q
iliacus: location
A
ant com thigh,
lateral to psoas major, deep
19
Q
iliacus: origin
A
iliac fossa
20
Q
iliacus: insertion
A
lesser trochanter
21
Q
iliacus: innervation
A
femoral n
22
Q
iliacus: action
A
flexes thigh at hip, anterior pelvic tilt
23
Q
sartorius: location
A
anterior com thigh, deep
24
Q
sartorius: origin
A
anterior superior iliac spine
25
sartorius: insertion
medial surface of tibia
| - (inferomedial to tibial tuberosity)
26
sartorius: innervation
femoral n
27
sartorius: action
flexes:
- thigh at hip
- leg at knee
- abducts
- laterally rotates thigh (at hip)
28
muscles which make up quadriceps femoris:
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intemedius
29
general locations of quadriceps muscles:
- v.medialis: most medial
- v.lateralis: most lateral
- v.intermedius: central deep to r.f.
- rectus femoris: central superficial to v.i.
30
rectus femoris: location
ant com thigh, superficial
31
rectus femoris: origin
straight head:
- AIIS
reflected head:
- superior to acetabulum
32
rectus femoris: insertion
tibial tuberosity (via quadriceps tendon and patellar lig)
33
rectus femoris: innervation
femoral n
34
rectus femoris: action
- flexed thigh at hip
| - extends leg at knee
35
vastus lateralis: location
ant com thigh, lateral
36
vastus lateralis: origin
- greater trochanter
- gluteal tuberosity
- linea aspera (lateral lip)
37
vastus lateralis: insertion
tibial tuberosity (via quadriceps femoris tendon and patellar lig)
38
vastus lateralis: innervation
femoral n
39
vastus lateralis: action
extends leg at knee
40
vastus medialis: location
ant com thigh, medial
41
vastus medialis: origin
- intertrochanteric line
| - linea aspera (medial lip)
42
vastus medialis: insertion
- tibial tuberosity (via quadriceps femoris tendon and patellar lig)
- medial border of patella
43
vastus medialis: innervation
femoral n
44
vastus medialis: action
extends leg at knee
45
vastus intermedialis: location
ant com thigh, deep to rectus femoris
46
vastus intermedialis: origin
upper anterior and lateral femur
47
vastus intermedialis: insertion
- tibial tuberosity (via quadriceps femoris tendon and patellar lig)
- lateral border of patella
48
vastus intermedialis: innervation
femoral n
49
vastus intermedialis: action
extends leg at knee
50
gracilis: location
medial com of thigh, deep
51
gracilis: origin
- body of pubis
| - ischiopubic ramus
52
gracilis: insertion
medial proximal shaft of tibia
53
gracilis: innervation
obturator n
54
gracilis: action
- adducts thigh at hip
| - flexes and assists in medial rotation of leg at knee
55
pectineus: location
medial com thigh, superior
56
pectineus: origin
superior ramus of pubis (pecten)
57
pectineus: insertion
pectineal line of femur
58
pectineus: innervation
obturator/ femoral n
59
pectineus: action
adducts and flexes thigh at hip
60
adductor longus: location
medial com thigh, inferior
61
adductor longus: origin
body of pubis
62
adductor longus: insertion
linea aspera (middle 1/3)
63
adductor longus: innervation
obturator n
64
adductor longus: action
adducts thigh at hip
65
adductor brevis: location
medial com thigh, deeper
66
adductor brevis: origin
- body of pubis
| - inferior pubic ramus
67
adductor brevis: insertion
- posterior surface of proximal femur
| - linea aspera (upper 1/3)
68
adductor brevis: innervation
obturator n
69
adductor brevis: action
- adducts thigh at hip
| - weak flexor at hip
70
adductor magnus: location
medial com thigh, deep
71
adductor magnus: origin
adductor part:
- ischiopubic ramus
hamstring part:
- ischial tuberosity
72
adductor magnus: insertion
adductor part:
- post surface of proximal femur, linea aspera, medial supracondylar line
hamstring part:
- adductor tubercle
73
adductor magnus: innervation
adductor part:
- obturator n
hamstring part:
- sciatic (tibial division)
74
adductor magnus: action
adducts (adductor part)
extends thigh (hamstring part) at hip
75
semitendinosus: location
post com thigh, deep
76
semitendinosus: origin
ischial tuberosity
77
semitendinosus: insertion
medial surface of proximal tibia
78
semitendinosus: innervation
sciatic n (tibial division)
79
semitendinosus: action
- extends thigh at hip
| - flexes and medially rotates leg at knee
80
semimembranosus: location
post com thigh, deep
81
semimembranosus: origin
ischial tuberosity
82
semimembranosus: insertion
medial tibial condyle
83
semimembranosus: innervation
sciatic n (tibial division)
84
semimembranosus: action
- extends thigh at hip
| - flexes and medially rotates leg at knee
85
biceps femoris: location
post com thigh, deep
86
biceps femoris: origin
long head:
- ischial tuberosity
short head:
- linea aspera
- lateral supracondylar line
87
biceps femoris: insertion
lateral aspect of head of fibula
88
biceps femoris: innervation
sciatic n:
- tibial division (long)
- common fibular division (short)
89
biceps femoris: action
- flexes leg
- laterally rotates knee
- extends thigh at hip
