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SHB Exam 3 > Anterior Thigh > Flashcards

Anterior Thigh Flashcards

(59 cards)

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1
Q

What innervates the adductor brevis?

A

Obturator nerve

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2
Q

What is the main action of the adductor brevis?

A

Adducts thigh at hip (weak hip flexor)

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3
Q

What innervates the adductor longus?

A

Obturator nerve (anterior division)

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4
Q

What is the main action of the adductor longus?

A

Adducts thigh at hip

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5
Q

What innervates the adductor magnus?

A

Adductor part: obturator nerve

Hamstring part: sciatic nerve (tibial division)

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6
Q

What is the main action of the adductor magnus?

A

Adductor part: adducts and flexes the thigh

Hamstring part: extends the thigh

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7
Q

What innervates the gracilis?

A

Obturator nerve

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8
Q

What are the main actions of the gracilis?

A

Adducts thigh

Flexes and medially rotates the leg

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9
Q

What innervates the obturator externus?

A

Obturator nerve

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10
Q

What is the main action of the obturator externus?

A

Laterally rotates thigh

Stabilizes head of femur in acetabulum

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11
Q

What innervates the pectineus?

A

Femoral nerve and sometimes obturator nerve

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12
Q

What is the main action of the pectineus?

A

Adducts and flexes thigh at hip

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13
Q

What innervates the psoas major in the region of the anterior thigh?

A

Ventral rami of first lumbar nerve

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14
Q

What innervates the rectus femoris (quadriceps)?

A

Femoral nerve

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15
Q

What is the main action of the rectus femoris (quadriceps)?

A

Extends leg at knee joint and flexes thigh at hip joint

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16
Q

What innervates the sartorius?

A

Femoral nerve

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17
Q

What is the main action of the sartorius?

A

Abducts, laterally rotates, and flexes the thigh and flexes the knee joint

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18
Q

What innervates the vastus intermedius (quadriceps)?

A

Femoral nerve

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19
Q

What is the main action of the vastus intermedius (quadriceps)?

A

Extends leg at knee joint

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20
Q

What innervates the vastus lateralis (quadriceps)?

A

Femoral nerve

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21
Q

What is the main action of the vastus lateralis (quadriceps)?

A

Extends leg at knee joint

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22
Q

What innervates the vastus medialis (quadriceps)?

A

Femoral nerve

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23
Q

What is the main action of the vastus medialis (quadriceps)?

A

Extends leg at knee joint

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24
Q

What innervates the articularis genus?

Study These Flashcards
A

Femoral Nerve

25
What is the main action of the articularis genus?
Pulls suprapatellar bursa superiorly with extension of the knee
26
What innervates the iliacus (Iliopsoas) ?
Femoral Nerve
27
What is the main action of the iliacus (Iliopsoas)?
Flexes hip and stabilizes hip joint; acts with the psoas major
28
What are the main actions of the psoas major (Iliopsoas)?
Acting superiorly with the iliacus, flexes the hip Acting inferiorly with iliacus, flexes trunk Acting inferiorly, flexes vertebral column laterally Used to balance trunk in sitting position
29
What innervates the psoas major in the region of the anterior thigh?
Ventral rami of first lumbar nerve
30
What is the origin of the articularis genus?
Distal femur
31
What is the insertion of the articularis genus?
Suprapatellar bursa
32
What is the origin of the iliacus (Iliopsoas) ?
The iliac fossa, iliac crest, sacrum, and sacro-iliac ligaments
33
What is the insertion of the iliacus (Iliopsoas)?
Lesser trochanter of femur and shaft inferior to it, to psoas major tendon
34
What is the origin of the psoas major (Iliopsoas)?
Transverse processes of lumbar vertebrae and IVDs
35
What is the insertion of the psoas major (Iliopsoas)?
Lesser trochanter of femur
36
What is the origin of the rectus femoris (quadriceps)?
Iliac spine and ilium above the acetabulum
37
What is the insertion of the rectus femoris (quadriceps)?
Patella and tibial tuberosity via patellar ligament
38
What is the origin of the sartorius?
Iliac spine
39
What is the insertion of the sartorius?
The tibia
40
What is the origin of the vastus intermedius (quadriceps)?
Body of femur
41
What is the insertion of the vastus intermedius (quadriceps)?
Patella and tibial tuberosity via patellar ligament
42
What is the origin of the vastus lateralis (quadriceps)?
Greater trochanter and lateral lip of linea aspera of femur
43
What is the insertion of the vastus lateralis (quadriceps)?
Patella and tibial tuberosity via patellar ligament
44
What is the origin of the vastus medialis (quadriceps)?
Intertrochanteric line and medial lip of linea aspera of femur
45
What is the insertion of the vastus medialis (quadriceps)?
Patella and tibial tuberosity via patellar ligament
46
What is the origin of Adductor brevis?
Body and pubic ramus
47
What is the insertion of Adductor brevis?
Pectineal line and linea aspera of femur
48
What is the origin of Adductor longus?
Body of pubis inferior to pubic crest
49
What is the insertion of Adductor longus?
Linea aspera of femur
50
What is the origin of Adductor magnus?
Pubic ramus and ramus of ischium
51
What is the insertion of Adductor magnus?
Adductor part: Gluteal tuberosity, linea aspera, medial supracondylar line Hamstring part: adductor tubercle of femur
52
What is the origin of the Gracilis?
Body and inferior ramus of pubis
53
What is the insertion of the Gracilis?
Medial surface of tibia
54
What is the origin Obturator externus?
Obturator foramen and obturator membrane
55
What is the insertion Obturator externus?
Trochanteric fossa of femur
56
What is the origin of the Pectineus?
Superior ramus of pubis
57
What is the insertion of the Pectineus?
Pectineal line of femur
58
Pes anserinus: component tendons
``` Some God*mned Tendon (from medial to lateral) Sartorius Gracilis Semitendinosus ```
59
Femoral triangle lateral to medial
``` NAVEL Nerve (directly behind sheath) Artery (within sheath) Vein (within sheath) Empty space (between vein and lymph Lymphatics (with deep inguinal node) ```

SHB Exam 3 (14 decks)

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