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MSK Exam #1 > Complete list of M, A, I and BS > Flashcards

Complete list of M, A, I and BS Flashcards

1
Q

Trapezius M.

A

A: Elevate, retract and rotate scapula. Lower fibers depress scapula.
N: CN XI
BS: Transverse cervical A.

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2
Q

Latissimus dorsi M.

A

A: Extends, ADducts and medially rotates humerus.
N: Thoracodorsal N.
BS: Thoracodorsal A.

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3
Q

Rhomboid major & minor Ms.

A

A: Retracts scapular, rotates GC inferiorly, and fixes scapula to thoracic wall.
N: Dorsal scapular N.
BS: Dorsal scapular A.

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4
Q

Levator scapulae M.

A

A: Elevate scapula.
N: Dorsal scapular N.
BS: Dorsal scapular A.

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5
Q

Serratus posterior superior M.

A

A: Aids in forced inspiration.
N: Intercostal N.
BS: Posterior intercostal A.

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6
Q

Serratus posterior inferior M.

A

A: Aids in forced expiration.
N: Anterior rami
BS: Posterior intercostal A.

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7
Q

Splenius capitis M.

A

A: BL extend head. UL sidebend and rotates face to same side.
N: Posterior rami
BS: Occipital A.

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8
Q

Splenius cervicis M.

A

A: BL extend neck. UL side bend and rotate neck to same side.
N: Posterior rami
BS: Occipital A.

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9
Q

Obliquus capitis inferior M.

A

A: Rotates atlas to turn face to same side.
N: Suboccipital N.
BS: Vertebral A.

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10
Q

Obliquus capitis superior M.

A

A: Extend and sidebend head.
N: Suboccipital N.
BS: Vertebral A.

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11
Q

Rectus capitis posterior minor M.

A

A: Extend head.
N: Suboccipital N.
BS: Vertebral A.

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12
Q

Rectus capitis major M.

A

A: Extend and rotate head to same side.
N: Suboccipital N.
BS: Vertebral A.

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13
Q

Erector spinae group

A

Iliocostalis Ms., Longissimus Ms., Spinalis Ms.
A: Extend and sidebend the vertebral column.
N: Posterior rami
BS:
In cervical portions - Occipital A., Vertebral A., and Deep cervical A.
In thoracic portions - Posterior intercostal A., Subcostal A., Lumbar A.
In sacral portions - Lateral sacral A.

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14
Q

Deltoid M.

A

A: ABducts, flexes, extends and medially rotates the arm.
N: Axillary N.
BS: Posterior circumflex humeral A.

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15
Q

Supraspinatus M.

A

A: ABduct the humerus.
N: Suprascapular N.
BS: Suprascapular A.

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16
Q

Infraspinatus M.

A

A: Laterally rotate humerus.
N: Suprascapular N.
BS: Suprascapular A.

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17
Q

Subscapularis M.

A

A: Medially rotate and ADduct the arm.
N: Upper and Lower subscapular Ns.
BS: Subscapular A.

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18
Q

Teres minor M.

A

A: Laterally rotate humerus.
N: Axillary N.
BS: Circumflex scapular A.

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19
Q

Teres major M.

A

A: ADduct and medially rotate arm.
N: Lower subscapular N.
BS: Circumflex scapular A.

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20
Q

Pectoralis major M.

A

A: Flexes, ADducts and medially rotates the humerus.
N: Lateral and Medial pectoral Ns.
BS: Pectoral branch of the Thoracromial trunk

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21
Q

Pectoralis minor M.

A

A: Protracts, depresses and protects scapula.
N: Medial pectoral N.
BS: Pectoral branch of the Thoracromial trunk

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22
Q

Subclavius M.

A

A: Positions and depresses clavicle.
N: N. to Subclavius M.
BS: Clavicular branch of the Thoracromial trunk

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23
Q

Serratus anterior M.

A

A: Protracts and stabilized scapula. Rotates GC inferiorly.
N: Long thoracic N.
BS: Lateral thoracic A.

24
Q

Biceps brachii M.

A

A: Flexes and supinates forearm.
N: Musculocutaneous N.
BS: Brachial A.

25
Q

Coracobrachialis M.

A

A: Flex and ADduct the humerus.
N: Musculocutaneous N.
BS: Brachial A.

26
Q

Brachialis M.

A

A: Flexes forearm.
N: Musculocutaneous N.
BS: Radial recurrent A.

27
Q

Triceps brachii M.

A

A: Extends forearm.
N: Radial N.
BS: Deep brachial A.

28
Q

Anconeus M.

A

A: Assists Triceps.
N: Radial N.
BS: Deep brachial A.

29
Q

Pronator teres M.

A

A: Pronation.
N: Median N.
BS: Anterior ulnar recurrent A.

30
Q

Flexor carpi radialis M.

A

A: Flexes and ABducts hand at the wrist.
N: Median N.
BS: Radial A.

31
Q

Palmaris longus M.

A

A: Flexes hand at the wrist.
N: Median N.
BS: Posterior ulnar recurrent A.

32
Q

Flexor carpi ulnaris M.

A

A: Flexes and ADducts hand at the wrist.
N: Ulnar N.
BS: Ulnar A.

33
Q

Flexor digitorum superficialis M.

A

A: Flex at the metacarpophalangeal joints of digits I-IV.
N: Median N.
BS: Ulnar and Radial As.

34
Q

Flexor digitorum profundus M.

A

A: Flexes at the distal phalangeal joints.
N: Ulnar N.
BS: Anterior interosseous A.

35
Q

Flexor pollicis longus M.

A

A: Flex the thumb.
N: Anterior interosseous N.
BS: Anterior interosseous A.

36
Q

Pronator quadratus M.

A

A: Pronation.
N: Anterior interosseous N.
BS: Anterior interosseous A.

37
Q

Brachioradialis M.

A

A: Mild flexion of forearm (best when forearm is midpronated).
N: Radial N.
BS: Radial recurrent A.

38
Q

Extensor carpi radialis longus M.

A

A: Extend and ABduct hand at the wrist.
N: Radial N.
BS: Radial A.

39
Q

Extensor carpi radialis brevis M.

A

A: Extend and ABduct hand at the wrist.
N: Deep radial N.
BS: Radial A.

40
Q

Extensor digitorum M.

A

A: Extend digits I-IV.
N: Posterior interosseous N.
BS: Posterior interosseous A.

41
Q

Extensor digiti minimi M.

A

A: Extends digit V.
N: Posterior interosseous N.
BS: Posterior interosseous A.

42
Q

Extensor carpi ulnaris M.

A

A: Extends and ADducts hand at the wrist.
N: Posterior interosseous N.
BS: Posterior interosseous A.

43
Q

Supinator M.

A

A: Supination.
N: Deep radial N.
BS: Posterior interosseous A.

44
Q

ABductor pollicis longus M.

A

A: ABducts the thumb.
N: Posterior interosseous A.
BS: Posterior interosseous N.

45
Q

Extensor pollicis brevis M.

A

A: Extends proximal phalanx of thumb.
N: Posterior interosseous N.
BS: Posterior interosseous A.

46
Q

Extensor pollicis longus M.

A

A: Extends distal phalanx of thumb.
N: Posterior interossous N.
BS: Posterior interosseous A.

47
Q

Extensor indicis M.

A

A: Extend index finger.
N: Posterior interosseous N.
BS: Posterior interosseous A.

48
Q

1st and 2nd Lumbrical Ms.

A

A: Extend digits at interphalangeal joints. Flex metacarpophalangeal joints.
N: Median N.
BS: Superficial and deep palmar arches

49
Q

Opponens pollicis M.

A

A: Oppose thumb.
N: Median N.
BS: Superficial palmar arch

50
Q

ABductor pollicis brevis M.

A

A: ABducts thumb.
N: Median N.
BS: Superficial palmar arch

51
Q

Flexor pollicis brevis M.

A

A: Flexes proximal phalanx of thumb.
N: Median N.
BS: Superficial palmar arch

52
Q

3rd and 4th Lumbrical Ms.

A

A: Extend digits at interphalangeal joints. Flex metacarpophalangeal joints.
N: Deep ulnar N.
BS: Superficial and deep palmar arches

53
Q

Oppenens digiti minimi M.

A

A: Oppose digit V.
N: Deep ulnar N.
BS: Deep palmar arch

54
Q

ADductor pollicis M.

A

A: ADduct thumb.
N: Deep ulnar N.
BS: Deep palmar arch

55
Q

Flexor digiti minimi brevis M.

A

A: Flex digit V at proximal phalanx.
N: Deep ulnar N.
BS: Deep palmar arch

56
Q

Dorsal interossei Ms. (DABs)

A

A: ABducts digits. Flex digits at all finger joints.
N: Deep ulnar N.
BS: Deep palmar arch

57
Q

Palmar interossei Ms.

A

A: ADducts digits. Flex digits at all finger joints.
N: Deep ulnar N.
BS: Deep palmar arch

MSK Exam #1 (12 decks)

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