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Anatomy & Physiology 1 > Muscle 2 - Lower Body > Flashcards

Muscle 2 - Lower Body Flashcards

1
Q

Where is the origin of the external abdominal oblique?

A

Anterior surface of lower 8 ribs

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2
Q

Where is the insertion of the external abdominal oblique?

A

Abdominal aponeurosis; iliac & pubic crest

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3
Q

State one action of the external abdominal oblique.

A

Flexion & rotation of trunk; lateral flexion

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4
Q

Where is the origin of the internal abdominal oblique?

A

Inguinal ligament; anterior iliac crest

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5
Q

Where is the insertion of the internal abdominal oblique?

A

Abdominal aponeurosis; cartilage of last 3 ribs

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6
Q

State one action of the internal abdominal oblique.

A

Flexion & rotation of trunk; lateral flexion

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7
Q

Where is the origin of the transverse abdominal?

A

Inguinal ligament; iliac crest; costal cartilage of last 6 ribs

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8
Q

Where is the insertion of the transverse abdominal?

A

Abdominal aponeurosis; pubic crest

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9
Q

State one action of the transverse abdominal.

A

Compression of abdominal cavity

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10
Q

Where is the origin of the rectus abdominis?

A

Costal cartilage of ribs 5-7 & xiphoid process

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11
Q

Where is the insertion of the rectus abdominis?

A

Pubic symphysis & crest

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12
Q

State one action of the rectus abdominis.

A

Flexion of trunk; compression of abdominal cavity

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13
Q

Where is the origin of the gluteus maximus?

A

Posterior ilium & sacrum

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14
Q

Where is the insertion of the gluteus maximus?

A

Gluteal tuberosity of femur & iliotibial tract

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15
Q

State one action of the gluteus maximus.

A

Extension of hip; lateral rotation & abduction of thigh

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16
Q

Where is the origin of the gluteus medius?

A

Lateral surface of ilium

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17
Q

Where is the insertion of the gluteus medius?

A

Greater trochanter of femur

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18
Q

State one action of the gluteus medius.

A

Medial rotation & abduction of thigh

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19
Q

Where is the origin of the sartorius?

A

ASIS

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20
Q

Where is the insertion of the sartorius?

A

Medial, proximal shaft of tibia

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21
Q

State one action of the sartorius.

A

Flexion, abduction, lateral rotation of thigh

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22
Q

Where is the origin of the psoas major/iliacus?

A

P. Major: lumbar vertebrae
Iliacus: iliac fossa & crest

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23
Q

Where is the insertion of the psoas major/iliacus?

A

Lesser trochanter of femur

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24
Q

State one action of the psoas major/iliacus.

A

Flexion, abduction, lateral rotation of thigh

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25
Q

Where is the origin of the tensor fasciae latae?

A

ASIS, anterior iliac crest

26
Q

Where is the insertion of the tensor fasciae latae?

A

Iliotibial tract

27
Q

State one action for the tensor fasciae latae.

A

Extends knee, aids in abduction & medial rotation of thigh

28
Q

Where is the origin of the biceps femoris?

A

Linea aspera & ischial tuberosity

29
Q

Where is the insertion for the biceps femoris?

A

Head of fibula; lateral condyle of tibia

30
Q

State one action of the biceps femoris.

A

Hip extension; knee flexion

31
Q

Where is the origin of the semimembranosus?

A

Ischial tuberosity

32
Q

Where is the insertion of the semimembranosus?

A

Medial condyle of tibia; lateral condyle of femur

33
Q

State one action of the semimembranosus.

A

Hip extension; knee flexion

34
Q

Where is the origin of the semitendinosus?

A

Ischial tuberosity

35
Q

Where is the insertion of the semitendinosus?

A

Medial, anterior, proximal shaft of tibia

36
Q

State one action of the semitendinosus.

A

Hip extension; knee flexion

37
Q

Where is the origin of the rectus femoris?

A

AIIS, superior margin of acetabulum

38
Q

Where is the insertion of the rectus femoris?

A

Patella and tibial tuberosity

39
Q

State one action of the rectus femoris.

A

Knee extension; flexion of hip

40
Q

Where is the origin of the vastus medialis?

A

Linea aspera; intertrochanter line

41
Q

Where is the insertion of the vastus medialis?

A

Patella and tibial tuberosity

42
Q

State one action of the vastus medialis.

A

Knee extension

43
Q

Where is the origin of the vastus lateralis?

A

Linea aspera; interochanter line

44
Q

Where is the insertion of the vastus lateralis?

A

Patella and tibial tuberosity

45
Q

State one action of the vastus lateralis.

A

Knee extension

46
Q

Where is the origin of the vastus intermedius?

A

Anterior & lateral shaft of femur

47
Q

Where is the insertion of the vastus intermedius?

A

Patella and tibial tuberosity

48
Q

State one action of the vastus intermedius.

A

Knee extension

49
Q

Where is the origin of the gracilis?

A

Inferior ramus & body of pubis

50
Q

Where is the insertion of the gracilis?

A

Proximal medial tibia

51
Q

State one action of the gracilis.

A

Adduction of thigh; flexion, medial rotation of leg

52
Q

Where is the origin of the adductors?

A

Inferior ramus & body of pubis; ischial tuberosity

53
Q

Where is the insertion of the adductors?

A

Linea aspera; gluteal tuberosity

54
Q

State one action of the adductors.

A

Adduction, medial rotation of thigh

55
Q

Where is the origin of the gastrocnemius?

A

Medial, lateral condyles of femur

56
Q

Where is the insertion of the gastrocnemius?

A

Calcaneus via calcaneal tendon (Achilles)

57
Q

State one action of the gastrocnemius.

A

Plantar flexion of ankle

58
Q

Where is the origin of the tibialis anterior?

A

Lateral condyle and shaft of tibia

59
Q

Where is the insertion of the tibialis anterior?

A

First metatarsal; first cuneiform

60
Q

State one action of the tibialis anterior.

A

Dorsiflexion of ankle

Anatomy & Physiology 1 (3 decks)

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