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Anatomy > Anterior and Medial Thigh > Flashcards

Anterior and Medial Thigh Flashcards

1
Q

What does the anterior compartment of the thigh do?

A

Flex hip and extend knee

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2
Q

What does the medial compartment of the thigh do?

A

Adduct hip

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3
Q

What does the posterior compartment of the thigh do?

A

Extends hip and flexes knee

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4
Q

Hip flexor muscles in anterior thigh

A

Iliacus
Psoas major
Pectineus
Sartorius

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5
Q

knee extensors in anterior thigh

A

Quadriceps

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6
Q

Muscles that make up quadriceps

A

Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius

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7
Q

Iliacus

A

Iliac crest, fossa, ala of sacrum, ant sacroiliac ligament -> Psoas tendon, lesser trochanter

Femoral nerve (L2.3)
Flex hip
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8
Q

Psoas major

A

T12-L5, Iv discs, lumbar transverse processes -> Lesser trochanter

Anterior rami L1-3
flex hip

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9
Q

Pectineus

A

superior ramus of pubis >pectinate line of femur

Femoral nerve (L2.3)
Adduct and flex hip; assist with medial rotation
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10
Q

Sartorious

A

Anterior superior iliac spine > superior part of medial surface tibia

Femoral nerve (L2,3)

Flex, abduct, laterally rotate hip; flex knee

sitting crossed legged

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11
Q

Rectus femoris

A

AIIS, ilium above acetabulum
> Quadriceps tendon then tibial tuberosity via patellar lig

Extend knee , also flexes hip

Femoral nerve (L2, 3,4)

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12
Q

Vastus lateralis

A

Gr. Trochanter & lateral linea Aspera

> Quadriceps tendon then tibial tuberosity via patellar lig

Extend knee

Femoral nerve (L2, 3,4)

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13
Q

Vastus medialis

A

Intertrochanteric line and medial linea Aspera

> Quadriceps tendon then tibial tuberosity via patellar lig

Extend knee

Femoral nerve (L2, 3,4)

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14
Q

Vastus intermedius

A

Ant.and Lat. shaft of femur

> Quadriceps tendon then tibial tuberosity via patellar lig

Extend knee

Femoral nerve (L2, 3,4)

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15
Q

Where does the femoral nerve pass?

A

Deep to inguinal ligament, medial to ASIS, on tendon of iliopsaos m

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16
Q

Muscular branches of femoral nerve?

A

Anterior thigh

17
Q

Articular branches of femoral nerve?

A

hip and knee

18
Q

Cutaneous branches of femoral nerve?

A

anteromedial thigh

19
Q

Saphenous nerve is termed…?

A

cutaneous branch - anteromedial knee, leg and foot

20
Q

Hip Adductors in the medial thigh

A 
Gracilis 
Adductor Longus 
Adductor Brevis 
Adductor Magnus 
Obturator Externus
21
Q

Gracilis

A

Body and inferior ramus of pubis -> Superior Medial surface Tibia

Obturator (L2,3)

Adductts hip, flexes knee

22
Q

Adductor Longus

A

Body of pubis -> Middle 1/3 Linea aspera

Obturator (L2,3,4)

Adducts thigh

23
Q

Adductor Brevis

A

Body and Inferior ramus of pubis -> Pectineal line and proximal Linea Aspera

Obturator (L2,3,4)

Adducts thigh (may assist flexion)

24
Q

Adductor Magnus

A

Ischiopubic ramus and ischial tuberosity > Linea aspera, med. Supracindylar line, Adductor tubercle

Obturator (L2,3,4)
Hamstring part = tibial division of sciatic n. (L4)

Adducts thigh
Adductor part flexes and hamstring part extends thigh

25
Q

Obturator Externus

A

Margin of obturator foramen and obturator membrane -> Trochanteric fossa

Obturator n. (L3,4)

Laterally rotates thigh

In adductor compartment BUT NOT AN ADDUCTOR

26
Q

Obturator nerve

A

Anterior divison L2-4

Runs along lateral wall of pelvis to the obturator canal

27
Q

Adductor Canal

A

Apex of Femoral Triangle > Adductor Hiatus

Underlies the distal half of sartorius muscle

Boundaries:
Sartorius
Vastus medialis
Adductor longus

28
Q

What two features enter adductor canal?

A

Femoral vessels: pass through adductor hiatus to reach popliteal fossa

Saphenous nerve :
passes between sartorius and gracilis to supply skin of anteromedial knee, leg and foot

29
Q

What is the femoral artery a continuation of?

A

The external iliac artery

30
Q

Route of the femoral artery

A

Femoral triangle > Adductor canal > Adductor hiatus to become popliteal a.

31
Q

What area does femoral artery supply

A

Anterior and anteromedial thigh

32
Q

Profunda femoris is a branch of …

A

Femoral artery

33
Q

Location of profunda femoris

A

Deep to adductor longus > 3-4 perforating branches through Adductor Magnus

Medial and lateral circumflex femoral branches

34
Q

Where is the obturator artery from?

A

Internal Iliac artery

35
Q

Where does obturator artery pass through?

A

Through obturator foramen to medial compartment > anterior and posterior branches

36
Q

Where does the obturator artery of the anterior branch supply?

A

muscles of medial compartment

37
Q

Where does the obturator artery of the posterior branch supply?

A

muscles attached to ischial tuberosity

38
Q

Cruciate anastomosis

A

Inferior gluteal
Medial circumflex femoral
Lateral circumflec femoral
1st perforating branch

Anatomy (14 decks)

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