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muscles > Muscles Of The Knee And Hip > Flashcards

Muscles Of The Knee And Hip Flashcards

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
Q

What is the insertion of the gastrocnemius?

A

Posterior aspect of the calcaneus

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26
Q

What is the action of the gastrocnemius?

A

Plantar flexion of the foot
Knee flexion

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27
Q

What nerve supplies the gastrocnemius?

A

Tibial nerve

28
Q

What is the origin of the sartorius?

A

Anterior superior iliac spine (ASIS)

29
Q

What is the insertion of the sartorius?

A

Medial aspect of the proximal tibia

30
Q

What is the action of the sartorius?

A

Knee flexion and medial rotation
Hip flexion, abduction and lateral rotation

31
Q

What is the origin of the popliteus?

A

Lateral condyle of the femur

32
Q

What is the insertion of the popliteus?

A

Posterior aspect of tibia (superior to soleal line)

33
Q

What is the action of the popliteus?

A

Unlocks the knee at the start of knee flexion
Medial rotation of the knee

34
Q

Which nerve innervates the popliteus?

A

Tibial nerve

35
Q

What is the origin of the iliopsoas?

A

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
Q

What is the insertion of the iliopsoas?

A

Lesser trochanter of femur

37
Q

What is the action of the iliopsoas?

A

Unilateral contraction= hip flexion
Bilateral contraction = trunk flexion

38
Q

What is the origin of the gluteus maximus?

A

Area of ilium posterior to the posterior gluteal line, posterior aspects of sacrum and coccyx

39
Q

What is the insertion of the gluteus maximus?

A

Gluteal tuberosity of femur, iliotibial tract

40
Q

What is the action of the gluteus maximus?

A

Hip extension, abduction and lateral rotation

41
Q

What is the origin of the gluteus medius?

A

Area of ilium located between anterior and posterior gluteal lines

42
Q

What is the insertion of the gluteus medius?

A

Lateral aspect of greater trochanter of femur

43
Q

What is the action of the gluteus medius?

A

Hip abduction and medial rotation

44
Q

What is the origin of the gluteus minimus?

A

Area of the ilium located between the anterior and posterior gluteal lines

45
Q

What is the insertion of the gluteus minimus?

A

Anterolateral aspect of the greater trochanter of the femur

46
Q

What is the action of the gluteus minimus?

A

Hip abduction and medial rotation.

47
Q

What is the origin of the tensor fascia latae?

A

Anterior superior iliac spine (ASIS) and anterior aspect of iliac crest

48
Q

What is the insertion of the tensor fascia latae?

A

Iliotibial tract on the tibia

49
Q

What is the action of the tensor fascia latae?

A

Hip flexion, abduction and medial rotation

50
Q

What is the origin of the adductor brevis?

A

Inferior pubic ramus and body of the pubis

51
Q

What is the insertion of the adductor brevis?

A

Proximal 1/3 of medial lip of linea aspera

52
Q

What is the action of the adductor brevis?

A

Hip adduction.

53
Q

What is the origin of the adductor longus?

A

Anterior surface of body of pubis

54
Q

What is the insertion of the adductor longus?

A

The medial third of the linea aspera

55
Q

What is the action of the adductor longus?

A

Hip adduction.

56
Q

What is the origin of the adductor Magnus?

A

Ramus of the ischium, inferior pubic ramus, ischial tuberosity

57
Q

What is the insertion of the adductor Magnus?

A

Gluteal tuberosity, medial supracondylar line, linea aspera, adductor tubercle

58
Q

What is the action of the adductor Magnus?

A

Hip adduction, flexion and extension

59
Q

What is the origin of the pectineus?

A

Superior pubic ramus

60
Q

What is the insertion of the pectineus?

A

Pectineal line of femur

61
Q

What is the action of the pectineus?

A

Hip adduction and hip flexion

62
Q

What is the origin of the gracilis?

A

Body of the pubis and the inferior pubic ramus

63
Q

What is the insertion of the gracilis?

A

Medial aspect of the proximal part of the tibia

64
Q

What is the action of the gracilis?

A

Hip adduction, knee flexion and medial rotation

65
Q

What nerve supplies all the hip adductor muscles?

A

The obturator nerve

muscles (6 decks)

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