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Muscles Of The Knee And Hip Flashcards

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1
Q

What is the origin of the vastus intermedius?

A

Anterior and lateral surface of body of femur

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2
Q

What is the insertion of the vastus intermedius?

A

Tibial tuberosity

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3
Q

What is the action of the vastus intermedius?

A

Knee extension

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4
Q

What is the origin of the vastus lateralis?

A

Intertrochanteric line
Greater trochanter
Gluteal tuberosity
Lateral lip of Linea aspera

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5
Q

What is the insertion of the vastus lateralis?

A

Tibial tuberosity
Lateral border of the patella

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6
Q

What is the action of the vastus lateralis?

A

Knee extension

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7
Q

What is the origin of the vastus medialis?

A

Intertrochanteric line
Linea aspera
Medial supracondylar line of femur

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8
Q

What is the insertion of the vastus medialis?

A

Tibial tuberosity
Medial border of the patella

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9
Q

What is the action of the vastus medialis?

A

Knee extension

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10
Q

What is the origin of the Rectus femoris?

A

Anterior inferior iliac spine (AIIS)
Supra-acetabular groove of the ilium

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11
Q

What is the insertion of the Rectus femoris?

A

Tibial tuberosity

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12
Q

What is the action of the Rectus femoris?

A

Knee extension
Hip flexion

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13
Q

What nerve supplies the knee extensor muscles?

A

Femoral nerve

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14
Q

What is the origin of the semimembranosus ?

A

Ischial tuberosity

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15
Q

What is the insertion of the semimembranosus?

A

Medial condyle of the tibia

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16
Q

What is the action of the semimembranosus?

A

Knee flexion and medial rotation
Hip extension

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17
Q

What is the origin of the semitendinosus?

A

Ischial tuberosity

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18
Q

What is the insertion of the semitendinosus?

A

Medial aspect of the proximal part of the tibia

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19
Q

What is the action of the semitendinosus?

A

Knee flexion and medial rotation.
Hip extension

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20
Q

What is the origin of the biceps femoris?

A

Ischial tuberosity
Lateral supracondylar line
Linea aspera

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21
Q

What is the insertion of the biceps femoris?

A

Head of the fibula

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22
Q

What is the action of the biceps femoris?

A

Knee flexion and lateral rotation
Hip extension

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23
Q

Which nerve supplies the biceps femoris, semimembranosus and the semitendinosus?

A

The sciatic nerve

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24
Q

What is the origin of the gastrocnemius?

A

Medial and lateral condyles of the femur
Lateral supracondylar line
Popliteal surface of the femur

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25
What is the insertion of the gastrocnemius?
Posterior aspect of the calcaneus
26
What is the action of the gastrocnemius?
Plantar flexion of the foot Knee flexion
27
What nerve supplies the gastrocnemius?
Tibial nerve
28
What is the origin of the sartorius?
Anterior superior iliac spine (ASIS)
29
What is the insertion of the sartorius?
Medial aspect of the proximal tibia
30
What is the action of the sartorius?
Knee flexion and medial rotation Hip flexion, abduction and lateral rotation
31
What is the origin of the popliteus?
Lateral condyle of the femur
32
What is the insertion of the popliteus?
Posterior aspect of tibia (superior to soleal line)
33
What is the action of the popliteus?
Unlocks the knee at the start of knee flexion Medial rotation of the knee
34
Which nerve innervates the popliteus?
Tibial nerve
35
What is the origin of the iliopsoas?
Psoas major- all transverse processes of lumbar vertebrae, anterolateral surface of vertebral bodies of T12-L5 Iliacus- iliac fossa, iliac crest, lateral aspect of sacrum
36
What is the insertion of the iliopsoas?
Lesser trochanter of femur
37
What is the action of the iliopsoas?
Unilateral contraction= hip flexion Bilateral contraction = trunk flexion
38
What is the origin of the gluteus maximus?
Area of ilium posterior to the posterior gluteal line, posterior aspects of sacrum and coccyx
39
What is the insertion of the gluteus maximus?
Gluteal tuberosity of femur, iliotibial tract
40
What is the action of the gluteus maximus?
Hip extension, abduction and lateral rotation
41
What is the origin of the gluteus medius?
Area of ilium located between anterior and posterior gluteal lines
42
What is the insertion of the gluteus medius?
Lateral aspect of greater trochanter of femur
43
What is the action of the gluteus medius?
Hip abduction and medial rotation
44
What is the origin of the gluteus minimus?
Area of the ilium located between the anterior and posterior gluteal lines
45
What is the insertion of the gluteus minimus?
Anterolateral aspect of the greater trochanter of the femur
46
What is the action of the gluteus minimus?
Hip abduction and medial rotation.
47
What is the origin of the tensor fascia latae?
Anterior superior iliac spine (ASIS) and anterior aspect of iliac crest
48
What is the insertion of the tensor fascia latae?
Iliotibial tract on the tibia
49
What is the action of the tensor fascia latae?
Hip flexion, abduction and medial rotation
50
What is the origin of the adductor brevis?
Inferior pubic ramus and body of the pubis
51
What is the insertion of the adductor brevis?
Proximal 1/3 of medial lip of linea aspera
52
What is the action of the adductor brevis?
Hip adduction.
53
What is the origin of the adductor longus?
Anterior surface of body of pubis
54
What is the insertion of the adductor longus?
The medial third of the linea aspera
55
What is the action of the adductor longus?
Hip adduction.
56
What is the origin of the adductor Magnus?
Ramus of the ischium, inferior pubic ramus, ischial tuberosity
57
What is the insertion of the adductor Magnus?
Gluteal tuberosity, medial supracondylar line, linea aspera, adductor tubercle
58
What is the action of the adductor Magnus?
Hip adduction, flexion and extension
59
What is the origin of the pectineus?
Superior pubic ramus
60
What is the insertion of the pectineus?
Pectineal line of femur
61
What is the action of the pectineus?
Hip adduction and hip flexion
62
What is the origin of the gracilis?
Body of the pubis and the inferior pubic ramus
63
What is the insertion of the gracilis?
Medial aspect of the proximal part of the tibia
64
What is the action of the gracilis?
Hip adduction, knee flexion and medial rotation
65
What nerve supplies all the hip adductor muscles?
The obturator nerve

Muscles (6 decks)

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