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Anatomy - Semester 2 > Anterior and Medial Thigh > Flashcards

Anterior and Medial Thigh Flashcards

1
Q

Function of Anterior Compartment

A

flexes hip, extends knee joint

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2
Q

Function of the Medial Compartment

A

adducts the hip

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3
Q

Function of the Posterior Compartment

A

extends the hip and flexes at the knee

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4
Q

Name the hip flexor muscles

A

Iliacus; Psoas Major; Pectineus; Sartorius

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5
Q

Name the knee extender muscles

A

4 Quadriceps: Rectus Femoris; Vastus Medialis, Lateralis and Intermedius

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6
Q

Which nerve innervates Iliacus?

A

Femoral nerve (L2, L3)

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7
Q

Attachment sites of Iliacis?

A

Origin: iliac crest, fossa, ala of sacrum and anterior sacroiliac ligament
Insertion: Creates iliopsoas > attaches to psoas tendon and lesser trochanter

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8
Q

Which nerve supplies Psoas Major?

A

Anterior Rami L1-L3

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9
Q

Attachment sites for Psoas major?

A

Origin: T12-L5 vertebra, IV discs, Lumbar Transverse processes
Inserts: Lesser Trochanter

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10
Q

Attachment sites for Pectineus?

A

Origin: superior ramus of the pubis
Inserts: obliquely into pectineal line of femur

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11
Q

Which nerve supplies Pectineus?

A

Femoral nerve (L2, L3) ( - sometimes from obturaror)

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12
Q

Attachment sites for Sartorius?

A

Origin: Anterior superior iliac spine
Inserts: upper medial surface of tibia

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13
Q

Which nerve supplies Sartorius?

A

Femoral nerve (L2, L3)

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14
Q

Which nerve supplies the quadricep muscles?

A

Femoral nerve (L2, L3, L4)

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15
Q

Name the tendon the quadriceps muscle create

A

Quadriceps Tendon - surrounds patella bone (seasmoid bone)

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16
Q

Which muscle can help prevent dislocation of the patella?

A

Vastus Medialis - because it runs almost transverse to patella

17
Q

Name the muscles in the Medial Compartment

A

Gracilis; Adductor Longus; Adductor Brevis; Adductor Magnus; Obturator Externus

18
Q

Which nerve supplies the Medial Compartment?

A

Obturator nerve; all have slightly different root values

19
Q

Function of Gracilis muscle?

A

adducts the hip, flexes the knee

20
Q

Function of Adductor Longus and Brevis?

A

Adducts the thigh

21
Q

Function of the Adductor Magnus?

A

Primarily adducts and flexes the thigh - hamstring part extends the thigh

22
Q

Function of Obturator

Externus?

A

Laterally rotates the thigh and does NOT adduct.

23
Q

Which nerve supplies Gracilis?

A

Obturator nerve (L2,L3)

24
Q

Which nerve supplies Adductor Longus, Brevis and Magnus?

A

Obturator nerve (L2, L3, L4)

25
Q

Which nerve supplies Obturator Externus?

A

Obturator nerve (L3, L4)

26
Q

Attachment sites for Gracilis?

A

Origin: Body and inferior ramus of pubis
Inserts: distally into the superior medial surface of the tibia

27
Q

Attachment sites for Adductor Longus?

A

Origin: proximally from body of pubis
Inserts: Linea aspera on Femur

28
Q

Attachment sites for Adductor Brevis?

A

Origin: inferior ramus of pubis
Inserts: Into pectineal line and proximally on Linea Aspera

29
Q

Attachment sites for Adductor Magnus?

A

Origin: ischiopubic ramus and ischial tuberosity (wraps like a curtain)
Inserts: Linea aspera, medialsupracondylar line and adductor tubercle

30
Q

Attachment sites for Obturator Externus?

A

Origin: margins of the obturator foramen and obturaror membrane
Inserts: trochanteric fossa

31
Q

What does the adductor canal contain?

A

Saphenous nerve (goes down to supply skin of anteromedial knee, leg and foot), femoral vessels

32
Q

What are the boundaries of the adductor canal?

A 
Roof = Sartorius
Floor = Vastus Medialis and Adductor Longus
33
Q

Name the terminal cutaneous branch of the Femoral Nerve

A

Saphenous Nerve

34
Q

What does the Femoral Artery supply?

A

Anterior and anteromedial thigh

35
Q

Name the pathway of the Femoral Artery?

A

Femoral triangle to adductor canal, then to adductor hiatus where it becomes the Popliteal Artery

36
Q

Name the branches of the Profunda Femoris

A

Medial and lateral circumflex femoral branches, as well as 3-4 perforating branches to supply lateral thigh

37
Q

Describe the pathway of the obturator artery

A

Through the obturator foramen to medial compartment, gives anterior (to medial compartment) and posterior branches (to muscles attached to ischial tuberosity)

38
Q

What is the Cruciate Anastomosis?

A

An anastamosis of inferior gluteal, medial circumflex femoral, lateral circumflex femoral and 1st perforating branch of profunda femoris

39
Q

Function of Cruciate Anastamosis

A

Second method of supply incase of blockage.

Anatomy - Semester 2 (6 decks)

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