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CLASS 21025 MSK > STRUCTURAL AND FUNCTIONAL ORGANIZATION OF THE UPPER EXTREMITY MUSCULOSKELETAL SYSTEM > Flashcards

STRUCTURAL AND FUNCTIONAL ORGANIZATION OF THE UPPER EXTREMITY MUSCULOSKELETAL SYSTEM Flashcards

1
Q

Name the regions of the vertebral column and how many vertebrae per section

A

a. Cervical
(1) 7 vertebrae
b. Thoracic
(1) 12 vertebrae
c. Lumbar
(1) 5 vertebrae
d. Coccyx
(1) 4 fused Vertebrae

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2
Q

There are four normal cures which help to increase strength, help balance, and absorb shock.

A

I dont know what they are though and it doesnt say in the TG so far.

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3
Q

Where would you find a lordotic curve

A

Cervical and thoracic vertebrae

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4
Q

Where would you find a kyphotic curve

A

Thoracic and sacral curves

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5
Q

Anatomy of a the vertebra

A

(1) Body
(2) Vertebral arch
(3) Processes extending from the arch

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6
Q

Hallmarks of Thoracic Vertebra

A

(2) Larger than cervical vertebrae

(3) Have facets for rib articulation

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7
Q

Hallmarks of Lumbar Vertebra

A

(2) Largest, strongest

(3) Spinous processes are short, thick

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8
Q

Hallmarks of Sacrum Vertebra

A

(2) Foundation for pelvic girdle

(3) Contain sacral foramina for nerves and blood vessels

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9
Q

bones of the thorax

A

a. Sternum

b. Ribs

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10
Q

Parts of the sternum

A

(1) Manubrium
(2) Body
(3) Xyphoid process

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11
Q

true ribs

A

R1-R7

Costal cartilage articulates directly with the sternum

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12
Q

false ribs

A

R8-R10

Articulate with the sternum bi cartilage of Rib 7

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13
Q

floating ribs

A

R11- R12

Do not articulate with the sternum at all

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14
Q

bones of the pectoral girdle

A

a. Clavicle

b. Scapula

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15
Q

What does the Clavicle articulate with

A

(1) Articulates with sternum medially
(2) Articulates with acromion laterally
(3) The “strut” between the scapula and sternum

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16
Q

Name the regions of the Scapula

A

(1) Spine
(2) Body
(a) Vertebral border
(b) Axillary border
(3) Acromion
(a) Part of the scapula that forms the “tip of the shoulder”
(b) Extends anteriorly and superiorly over the humeral head
(4) Coracoid
(a) Provides attachment site for muscles and ligaments

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17
Q

Ligaments of the Pectoral Girdle

A

a. Acromioclavicular ligament
b. Coracoclavicular ligament
c. Coracoacromial ligament

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18
Q

How much of the humeral head makes contact in the Glenoid Cavity

A

25%

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19
Q

What is the ring that is formed in the glenoid cavity

A

Glenoid Labrum

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20
Q

What does the glenoid labrum do

A

Deepens the glenoid and provides more stability to the joint

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21
Q

What are the muscles of the rotator cuff

A 
(SITS)
supraspinatus
infraspinatus
teres minor
subscapularis
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22
Q

Which rotator cuff muscle Assists deltoid in abduction of the humerous at the shoulder

A

Supraspinatus

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23
Q

Which rotator cuff muscle External rotation of the humerus at the shoulder joint

A

Infraspinatus

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24
Q

Which rotator cuff muscle Extends arm at shoulder and rotation of the arm externally

A

Teres minor

25
Q

Which rotator cuff muscle Internal rotation of the arm at the shoulder.

A

Subscapularis

26
Q

Which muscle Abducts, flexes, and rotates arm at shoulder join

A

Deltoid

27
Q

Which muscle Multiple fibers in this large muscle move the scapula multi-directionally

A

Trapezius

28
Q

Which muscle Elevates scapula and rotates downward

A

Levator scapula

29
Q

Which muscle Elevates and adducts scapula and rotates downward and Stabilizes the scapula

A

Rhomboid major

30
Q

Which muscle Adducts and rotates arm medially at the shoulder and Flexes arm at the shoulder joint

A

Pectoralis major

31
Q

Which muscle Extends, adducts, and rotates arm medially at the shoulder joint and Draws arm downward and backward

A

Latissimus dorsi

32
Q

Which muscle Extends arm at the shoulder joint and Assists with adduction and rotation of the arm medially

A

Teres major

33
Q

Which muscle Flexes and adducts arm at shoulder

A

Coracobrachialis

34
Q

Name the bones of the Elbow

A

a. Humerus
b. Radius
c. Ulna

35
Q

medical term for elbow

A

Olecranon

*Protected by an olecranon bursa

36
Q

Moving the palm up

A

Supination

37
Q

Moving the palm down in the opposite direction

A

Pronation

38
Q

Supination and pronation occur ONLY at the

A

elbow.

39
Q

Which muscle Flexes arm at the shoulder and Flexes and supinates forearm at the elbow

A

Biceps Brachii

40
Q

Which muscle Flexes forearm at the elbow joint

A

Brachialis

41
Q

Which muscle Flexes forearm at the elbow joint

A

Brachioradialis

42
Q

Which muscle Extends forearm at the elbow joint and Extends arm at shoulder

A

Triceps brachii

43
Q

Which muscle Supinates forearm

A

Supinator

44
Q

Which muscle Pronates forearm

A

Pronator teres

45
Q

Name the bones of the hands

A

a. Carpals
b. Metacarpals
c. Phalanges

46
Q

Name the bones of the carpals

A 
(Some Lovers Try Positions That They Cannot Handle)
Scaphoid
Lunate
Triquetrim
Pisiform
Trapezium
Trapezoid
Capitate
Hamete
47
Q

Name the region of the Metacarpals

A

Base
body
head

48
Q

Name the region of the Phalanges

A

1-5

Base, body, head

49
Q

Which muscle Flexes and abducts hand at the wrist

A

Flexor carpi radialis

50
Q

Which muscle Flexes and adducts hand at the wrist

A

Flexor carpi ulnaris

51
Q

Which muscle Weakly flexes hand at the wrist joint

A

Palmaris

52
Q

Which muscle Flexes hand at wrist and Flexes phalanges of each finger at the PIP joint

A

Flexor digitorum superficialis Inversion

53
Q

Which muscle Flexes hand at wrist and Flexes phalanges of each finger at DIP

A

Flexor digitorum profundus

54
Q

Which muscle Extends and abducts hand at the wrist joint

A

Extensor carpi radialis longus

55
Q

Which muscle Extends and adducts hand at the wrist joint

A

Extensor carpi ulnaris

56
Q

Which muscle Extends hand at wrist joint and Extends phalanges of each finger
11.

A

Extensor digitorum

57
Q

Which Nerve:

(1) Motor supply to most of the intrinsic hand muscles
(a) Excludes thenar muscles and two lumbricals on radial aspect
(2) Sensation to little finger and ½ of ring finger

A

Ulnar nerve

58
Q

Which Nerve:

Palmar and dorsal aspect of first 3 and ½ fingers

A

Median nerve

59
Q

Which Nerve:

Dorsum of the hand and lateral first three fingers and one half of fourth finger

A

Radial nerve

CLASS 21025 MSK (24 decks)

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