Extensor Thigh Flashcards
1
Q
Iliopsoas m.
Psoas Major m. origin
A
T12-L5
2
Q
Iliopsoas m.
Psoas Major m. insertion
A
Lesser trochanter
3
Q
Iliopsoas m.
Psoas Major m. action
A
flexes thigh, laterally flexes vert column
4
Q
Iliopsoas m.
Psoas Major m. innervation
A
L1-L3
5
Q
Iliopsoas m.
Iliacus m. origin
A
Iliac crest and fossa
6
Q
Iliopsoas m.
Iliacus m. insertion
A
lesser trochanter
7
Q
Iliopsoas m.
Iliacus m. action
A
flexes thigh
8
Q
Iliopsoas m.
Iliacus m. innervation
A
Femoral n. (L2-L4)
9
Q
pectineus m. origin
A
pectineal line of the pubis
10
Q
pectineus m. insertion
A
pectineal line of the femur
11
Q
pectineus m. action
A
adducts and assists in flexion of the thigh
12
Q
pectineus m. innervation
A
obturator and femoral nn. (L2-4)
13
Q
sartorius m. origin
A
anterior superior iliac spine
14
Q
sartorius m. insertion
A
superior medial tibia (pes anserinus)
15
Q
sartorius m. action
A
flexes hip and knee, lateral rotation of the thigh
16
Q
sartorius m. innervation
A
femoral n. (L2-4)
17
Q
rectus femoris m. origin
A
anterior inferior iliac spine
18
Q
rectus femoris m. insertion
A
tibial tuberosity
19
Q
rectus femoris m. action
A
flexes thigh and extend leg
20
Q
rectus femoris m. innervation
A
femoral n. (L2-4)
21
Q
vastus lateralis m. origin
A
lateral femoral shaft
22
Q
vastus lateralis m. insertion
A
tibial tuberosity
23
Q
vastus lateralis m. action
A
extend leg
24
Q
vastus lateralis m. innervation
A
femoral n. (L2-4)
25
vastus medialis m. origin
medial femoral shaft
26
vastus medials m. insertion
tibial tuberosity
27
vastus medialis m. action
extend leg
28
vastus medialis m. innervation
femoral n. (L2-4)
29
vastus intermedius m. origin
femoral shaft
30
vastus intermedius m. insertion
tibial tuberosity
31
vastus intermedius m. action
extend leg
32
vastus intermedius m. innervation
femoral n. (L2-4)
33
articularis genus m. origin
lower 3/4 of shaft of femur
34
articularis genus m. insertion
superior capsule of the knee joint
35
articularis genus m. action
raises synovial membrane of the knee joint
36
articularis genus m. innervation
femoral n. (L2-4)
37
What is an extension of the Scarpa's fascia and covers the entire thigh?
fascia lata
38
what is the oval aperture in the fascia lata just inferior to the medial end of the inguinal ligament?
saphenous hiatus
39
what divides the thigh into compartments?
medial and lateral intermuscular septa
40
what are the compartments of the thigh and what nerve innervates them?
anterior (extensor) compartment - femoral n. (L2-4)
posterior (flexor) compartment - sciatic n. (L4-S3)
medial (adductor) compartment - obturator n. (L2-L4)
41
what is the lateral thickening of the fascia lata?
iliotibial band
42
what m. does the iliotibial band contain?
tensor fascia lata m.
43
where does the great saphenous v. originate?
medial aspect of dorsal venous arch of foot
44
what is the course of the great saphenous v. and where does it drain?
ascends on the medial aspect of the LE, enters the saphenous hiatus to drain into the femoral v.
45
what are the superficial vv. of the LE?
great saphenous v., accessory saphenous v., and small saphenous v.
46
what is the course of the small saphenous v. and where does it drain?
originates and ascends on the lateral aspect of the foot and drains into the popliteal v.
47
what is the origin of the ilioinguinal n.?
anterior divisions of lumbar plexus (L1)
48
what is the course of the ilioinguinal
passes in cleft between internal oblique and transverse abdominus to transverse the inguinal canal
49
what does the ilioinguinal n. innervate?
skin over femoral triangle, scrotu, (labium majora), and public symphysis
50
what is the origin of the genitofemoral n.?
anterior divisions of lumbar plexus (L1-L2)
51
what is the course of the genitofemoral n.?
pierces and runs on the anterior surface of psoas major.; genital branch passes through the superficial inguinal ring, femoral branch courses with femoral a. in femoral sheath
52
what does the genitofemoral n. innervate?
genital br- cremaster m. and kin of scrotum (labia majora)
| femoral br. - skin over femoral triangle
53
What is the origin of the lateral femoral cutaneous n.
posterior division of lumbar plexus (L2-L3)
54
what is the course of the lateral femoral cutaneous n.?
crosses posterior abdominal wall to pass deep the inguinal ligament 2-3 cm medial to the anterior superior iliac spine
55
what does the lateral femoral cutaneous n. innervate?
skin over lateral aspect of thigh
56
what is the origin of the anterior femoral cutaneous n.?
femoral n. (L2-L4)
57
what is the course of the anterior femoral cutaneous n.?
arises in femoral triangle to course in superficial fascia
58
what does the anterior femoral cutaneous n. innervate?
skin over medial and anterior thigh
59
what is the origin of the femoral n.?
posterior divisions of lumbar plexus (L2-L4)
60
what is the course of the femoral n.?
crosses posterior abdominal wall to pass deep to inguinal ligament in neuromuscular compartment of femoral triangle
61
what does the femoral n. innervate?
muscles of anterior (extensor) compartment; sensory to thigh, medial knee joint, and medial leg
62
what are the branches of the femoral n.
intermediate cutaneous n of the thigh (penetrates sartorius m.), medial cutaneous n. of the thigh (parallels medial border of sartorius m), terminates as the saphenous n once the last motor branch is given off (sensory only, supplies medial knee joint and medial leg/foot)
63
what is the adductor canal?
fascial tunnel between adductor magnus and vastus medialis mm. paralleling the sartorius m.
64
what does the adductor canal contain?
femoral a. and v., descending genicular a. and v., saphenous n.
65
what does the femoral a. change its name to and when?
popliteal a. - at distal end of canal
66
what are the borders of the femoral triangle
superior - inguinal ligament
medial - adductor longus m.
lateral - sartorius m.
floor - pectineus (medial) and iliopsoas (lateral) mm.
67
what are the contents of the femoral triangle?
NAVEL
| femoral n., femoral a., femoral v., empty space=femoral canal (contaning lymphatics), lacunar ligament
68
what is the femoral sheath made up of?
continuation of the transversalis fascia
69
what does the femoral sheath surround?
femoral a., v., and canal
70
what are the boundaries of the femoral ring?
lateral - femoral v.
anterior - inguinal ligament
medial - lacunar ligament
posterior - pectineal ligament
71
what is the common clinical correlation associate with the femoral ring?
predominate site for femoral hernias to pass through in females
72
what nerve innervates all anterior compartment m.?
femoral n.
73
what is the n. that supplies the medial knee joint capsule?
infrapatellar branch
74
what is the femoral a. a continuation of?
external iliac a. once it passes under the inguinal ligament
75
what does the femoral a. become and where?
popliteal a. at the adductor hiatus
76
what are the superficial branches of the femoral a.?
```
superficial circumflex iliac a.
superficial epigastric a.
superficial and deep external pudendal aa.
muscular branches
descending genicular branch
```
77
what are the branches of the profunda femoris a.?
muscular branches, perforating branches (must be going lateral), medial femoral circumflex (ascending, transverse, acetabular), lateral femoral circumflex (ascending, transverse, descending)
