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Medicine Phase One > Muslce of the Thigh > Flashcards

Muslce of the Thigh Flashcards

1
Q

What nerve supplies the anterior thigh muscles?

A

Femoral nerve

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2
Q

Name all of the anterior thigh muslces (I Saw a Pretty Queen)

A

I: iliopsoas (iliacus and psoas)
S: Sartorius
P: Pectinues
Q: Quads

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3
Q

What two muscles compose the iliopsoas?

A

Iliacus and Psoas

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4
Q

Where do the iliacus and psoas insert?

A

Lesser trochanter

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5
Q

What is the function of the iliacus and psoas?

A

Thigh flexion

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6
Q

What is the origin on the iliacus?

A

Upper 2/3 of iliac fossa of ilium, internal lip of iliac crest, lateral aspect of sacrum, ventral sacroiliac ligament, and lower portion of iliolumbar ligament

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7
Q

What is the origin of the psoas?

A

T12-L5

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8
Q

What is the origin and insertion of the Sartorius?

A

Anterior superior iliac spine

Medial tibia

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9
Q

What is the function of the Sartorius?

A

Flexion and Lateral rotation

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10
Q

What is the origin and insertion of the Pectineus?

A

Pectin pubis and pectineal line of the femur

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11
Q

Where does the Pectineus insert?

A

Pectineal line

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12
Q

What is the function of the Pectineus?

A

Adduction and flexion

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13
Q

What are the four Quadriceps muscles?

A

The Rectus femoris, Vastus Lateralis, Vastus Intermedius, Vastus Medialis

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14
Q

What Quadricep muslce is superficial?

A

Rectus Femoris

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15
Q

What is the function of the Quads?

A

Knee extension

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16
Q

What is the insertion point of the Quads?

A

Quadricep tendon

17
Q

What is the blood supply to the Quads?

A

Lateral circumflex artery

18
Q

What is the only Quadricep to originate from the Ilium?

A

Rectus Femoris

19
Q

What are the medial thigh muscles?

A

Graciilis
Adductor Longus
Adductor Brevis
Adductor Magnus

20
Q

What is the order of the medial thigh muslces (top and smallest to bottom and longest)

A

Adductor Brevis
Adductor Longus
Adductor Magnus
Graciilis

21
Q

What is the common function of the Medial thigh muslces?

A

Adduction and Leg flexion

22
Q

What is the origin and insertion of the Graciilis?

A

Inferior margin of pubic symphysis, inferior ramus of pubis, and adjacent ramus of ischium
Medial surface of tibial shaft, just posterior to sartorius

23
Q

The Graciilis inserts very close to the Sartorius, is it’s insertion posterior or anterior?

A

Posterior

24
Q

What is the nerve supply of the Graciilis, Adductor Brevis, Adductor Longus and adductor part of the Adductor Magnus?

A

Obturator Nerve

25
Q

What are the two parts of the Adductor Magnus?

A

The Adductor part and Hamstring part

26
Q

What is the nerve supply to the two different parts of the Adductor Magnus?

A

Adductor Part: Obturator nerve

Hamstring Part: Sciatic nerve

27
Q

What are the three hamstrings?

A

Semitendinosus
Semimembranosus
Biceps Femoris

28
Q

What is the order of the hamstrings, medial to lateral?

A

Semimembranosus, Semitendinosus, Biceps Femoris

29
Q

What is the innervation of the Hamstrings?

A 
Sciatic nerve:
Semimembranosus: Tibial
Semitendinosus: Tibial
Biceps long head: Tibial
Biceps Short head: Common Peroneal
30
Q

What is the blood supply of the Hamstrings?

A

Profundus artery

31
Q

What is the function of the Semitendinosus and Semimembranosus?

A

Extends Thigh and Flexes knee

32
Q

What is the function of the Biceps?

A

Flexes knee and rotates tibia laterally

The long head also functions to laterally rotate

33
Q

Where do the semimembranosus and semitendinosus originate and insert?

A

Ischial tuberosity and Tibia

34
Q

Where does the biceps femoris insert?

A

Fibula

Medicine Phase One (44 decks)

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