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Clinical Kinesiology > UNIT 2 - chapter 10 > Flashcards

UNIT 2 - chapter 10 Flashcards

1
Q

Muscles can only ___

A

pull, not push

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2
Q

The shoulder joint

A

Ball and socket, triaxial

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3
Q

Joint motions of the shoulder joint

A 
4 groups of motions
Flexion/ extension/ hyper extension
Adduction/ abduction
Internal/ external rotation
Horizontal adduction/ abduction
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4
Q

Flexion/ extension/ hyperextension

A

Plane- sagittal
Axis- frontal

ROM
Flexion: 0-180
Extension: return to normal
Hyperextension: 0-45 (anatomical position)

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5
Q

Adduction/ abduction

A

Plane- frontal
Axis- sagittal

ROM
0-180

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6
Q

Internal/ external rotation

A

Plane- transverse
Axis- vertical

ROM
0-90 in each direction

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7
Q

Horizontal adduction and abduction

A

Plane- transverse
Axis- vertical

ROM
Starting position: 90 degress of should abduction

Horizontal adduction: 0-120
Horizontal abduction: 0-30

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8
Q

Scaption

A

Plane- scapular, 30 degrees in front of the frontal place, midway between flexion and abduction

functional plane, most functional activities occur here

ROM
0-180

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9
Q

Arthrokinematic motion

A

Convex-concave rule
flextion/ abduction: opposite direction
extension/ adduction: reverses

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10
Q

Joint capsule

A

Spacious, outer fibrous, inner synovial

Partial vacuum to help hold humeral head to glenoid fossa

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11
Q

Glenohumeral ligaments

A

3 ligaments, superior, middle, and inferior
part of joint capsule

function: to reinforce anterior portion

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12
Q

Coracohumeral ligament

A

function: strengthens the upper part of joint capsule

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13
Q

Glenoid labrum

A

Fibrous ring on the rim of the glenoid fossa

Deepens the articular surface

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14
Q

Bursae

A

Subdeltoid: large, located between the deltoid muscle and the joint capsule, protects deltoid from being rubbed by bony

Subacromial: below acromion process, coracoacromial ligament, protect

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15
Q

Rotator cuff

A

Rotate humerus head, tendinous band formed when all the tendons inserting from the muscle blend together

Keeps the head of the humerus in glenoid fossa, and funtions to keep the joint together during movement and aids in rotation

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16
Q

SITS mm

A

Subscapularis
Infraspinatus
Teres minor
Supraspinatus

17
Q

Thoracolumbar fascia

A

Attachment for the latissimus dorsi

18
Q

Subscapularis

A

Internal rotation, line of pull horizontal

19
Q

Coracobrachialis

A

Action: stabilization of the humeral head in the glenoid fossa
line of pull vertical

20
Q

Deltoid

A

anterior, middle, posterior

21
Q

Anterior deltoid

A

Action: abduction, internal rotation, horizontal adduction

Line of pull: oblique when at side, horizontal at shoulder level

22
Q

Middle deltoid

A

Action: abduction

inchworm effect

23
Q

Posterior deltoid

A

Action: abduction, extension/ hyperextension, external rotation, horizontal abduction

Line of pull: oblique, horizontal when at shoulder level

24
Q

Pectoralis major

A

Clavicular and sternal portions

25
Q

Clavicular portion of pectoralis major

A

Action: sagittal plane, shoulder flexion from 0-60,

Line of pull: when shoulder is in neutral, vertical

26
Q

Sternal portion of the pectoralis major

A

Action: shoulder extension, 180-120 in sagittal plane

Line of pull: vertical, best when fully flexed

27
Q

Combined clavicular and sternal

A

Action together: adduction, internal rotation, and horizontal adduction

28
Q

Latissiumus dorsi

A

Action: extension/ hyperextension, adduction, internal rotation

Line of pull: vertical

reversal of muscle action: crutch walking example

29
Q

Teres major

A

Action: extension, adduction, internal rotation

30
Q

Supraspinatus

A

Action: abduction, humeral head stabilization

31
Q

Infraspinatus

A

Action: external rotation, horizontal abduction

32
Q

Teres minor

A

Action: external rotation, horizontal abduction

33
Q

Glenohumeral movement

A

Abduction: force couple, arthrokinematic movement, as arm abducts the humeral head rolls and glides in the glenoid fossa due to movement of the rotator cuff muscles
Supraspinatus- pulls humeral head in
others- pull in and down

Rotation: have to laterally rotate your arm to get full AROM, reposition for the acromion

34
Q

Acromioclavicular seperation

A

Ligament injury,
1 degree: a-c ligament is stretched
2 degree: a-c is ruptered and the coracoclavicular is stretched
3 degree: both are ruptered

35
Q

Fractures

A

Clavicular: kids, falls
Humeral neck: elderly, falls
Pathologic: caused by tumors, cancer

36
Q

Dislocations

A

Anterior shoulder dislocation: most common, forced shoulder abduction with lateral rotation causes humeral head to dislocated anteriorly

G-H subluxation: common after CVA, paralysis and gravity results in loss of humeral head position

Clinical Kinesiology (7 decks)

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