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Kinesiology > Muscle Actions > Flashcards

Muscle Actions Flashcards

1
Q

What are the actions of the upper trapezuis?

A

Elevation and upward rotation of the scapula

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2
Q

What is the action of the middle trapezuis?

A

Adduction of the scapula

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3
Q

What are the actions of the lower trapezius?

A

Depression and upward rotation of the scapula

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4
Q

What are the actions of the latissimus dorsi?

A

Extension, adduction and internal rotation of the humerus

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5
Q

What is the action of the teres minor?

A

External rotation of the humerus

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6
Q

What are the actions of the teres major?

A

Extension, adduction, and internal rotation of the humerus

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7
Q

What is the action of the supraspinatus?

A

Abduction of the humerus

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8
Q

What is the action of the infraspinatus?

A

External rotation of the humerus

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9
Q

What are the actions of the rhomboid major?

A

Downward rotation and adduction of the scapula

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10
Q

What are the actions of the rhomboid minor?

A

Downward rotation and adduction of the scapula

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11
Q

What is the action of the triceps brachii- long head?

A

Extension at shoulder/ elbow joint

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12
Q

What are the actions of the erector spinae group (thoracic and lumbar) muscles?

A

Extension, lateral flexion, and rotation of the vertebral column

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13
Q

What are the actions of the quadratus lumborum?

A

Ipsilateral lateral flexion of vertebral column

Ipsilateral pelvic elevation

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14
Q

What are the actions of the gluteus maximus?

A

Extension and external rotation of the femur

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15
Q

What are the actions of the biceps femoris- long head?

A

Extension of femur at leg

Flexion of leg at knee

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16
Q

What are the actions of the biceps femoris- short head?

A

Flexion of leg

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17
Q

What are the actions of the semitendinosus?

A

Extension of femur at leg

Flexion of leg at knee

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18
Q

What are the actions of the semimembranosous?

A

Extension of femur at leg

Flexion of leg at knee

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19
Q

What are the actions of the gastrocnemius?

A

Plantar flexion of foot

Flexion of leg

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20
Q

What is the action of the soleus?

A

Plantar flexion

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21
Q

What is the action of the sternocleidomastoid?

A

Flexion of cervical spine

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22
Q

What are the actions of the pectoralis major?

A

Adduction, internal rotation, flexion, extension and horizontal abduction of the humerus

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23
Q

What are the actions of the serratus anterior?

A

Upward rotation and abduction of the scapula

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24
Q

What are the actions of the rectus femoris?

A

Flexion of femur

Extension of leg at knee joint

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25
Q

What is the action of the vastus medialis?

A

Extension of leg at knee joint

26
Q

What is the action of the vastus lateralis?

A

Extension of leg at knee joint

27
Q

What are the actions of the tensor fasciae latae?

A

Flexion, internal rotation and abduction of the femur

28
Q

What are the actions of the sartorius?

A

Flexion of the hip

External rotation and abduction of femur

Flexion of leg at the knee

29
Q

What are the actions of the tibialis anterior?

A

Dorsiflexion

Inversion of foot

30
Q

What are the actions of the gluteus medius?

A

Abduction and internal rotation of the femur

31
Q

What are the actions of the gluteus minimus?

A

Abduction and internal rotation of the femur

32
Q

What are the actions of the gracilis?

A

Adduction of the femur

Flexes leg at the knee

33
Q

What is the action of the adductor brevis, adductor longus, adductor magnus and pectineus?

A

Adduction of the femur

34
Q

What are the actions of the anterior deltoid?

A

Internal rotation, flexion and horizontal adduction of the humerus

35
Q

What is the action of the middle deltoid?

A

Abduction of the humerus

36
Q

What are the actions of the posterior deltoid?

A

Extension, horizontal abduction and external rotation of the humerus

37
Q

What are the actions of the biceps brachii- short head?

A

Flexion of humerus

Flexion of forearm at elbow

Supination of forearm at radioulnar joint

38
Q

What are the actions of the biceps brachii- long head?

A

Flexion of forearm at elbow

Supination of forearm

39
Q

What is the action of the brachialis?

A

Flexion of the forearm at elbow joint

40
Q

What are the actions of the brachioradialis?

A

Flexion of forearm at elbow joint

Supination and pronation of forearm

41
Q

What is the action of the common flexor tendons?

A

Flexion

42
Q

What are the actions of the flexor carpi radialis?

A

Flexion and radial deviation of the wrist

43
Q

What is the action of the palmaris longus?

A

Flexion of the wrist

44
Q

What are the actions of the flexor carpi ulnaris?

A

Flexion and ulnar deviation of the wrist

45
Q

What are the actions of the digitorum superficilalis?

A

Flexion of PIP, MCP joints of digits 2-5

Assists wrist with flexion

46
Q

What is the action of the opponens pollicis?

A

Opposition of CNC joint of the thumb

47
Q

What is the action of the abductor pollicis brevis?

A

Abduction of the thumb

48
Q

What is the action of flexor pollicis brevis?

A

Flexion of the thumb

49
Q

What is the action of the abductor digiti minimi

A

Abduction of 5th digit (pinky)

50
Q

What is the action of the flexor digiti minimi?

A

Flexion of the 5th digit (pinky)

51
Q

What is the action of the opponens digiti minimi?

A

Opposition of the 5th digit (pinky)

52
Q

What is the action of the palmaris brevis?

A

Tightens aponeurosis and grip

53
Q

What is the action of the common extensor tendon?

A

Extension

54
Q

What are the actions of the extensor carpi radialis longus?

A

Extension and radial deviation of the wrist

55
Q

What are the actions of the extensor carpi radialis brevis?

A

Extension and radial deviation of the wrist

56
Q

What are the actions of the extensor carpi ulnaris?

A

Extension and ulnar deviation of the wrist

57
Q

What are the actions of the extensor digitorum?

A

Extension of MCP, PIP, DIP joints digits 2-5

Wrist extension

58
Q

What are the actions of the extensor pollicis longus?

A

Extension of thumb

Radial deviation of wrist

59
Q

What are the actions of the extensor pollicis brevis?

A

Extension of thumb

Assists in radial deviation of the wrist

60
Q

What are the actions of the abductor pollicis longus?

A

Abduction and extension of the thumb

Radial deviation of the wrist

Kinesiology (2 decks)

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