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Kinesiology 2 (PT 732) > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

angle of inclination for humerus

A

135 degrees

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2
Q

scapula is in contact with which ribs?

A

first 8 ribs

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3
Q

vertebrae level of spine of the scapula

A

T2

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4
Q

vertebrae level of inferior angle of scapula

A

T7

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5
Q

SC joint open pack position

A

-arm at side

resting position

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6
Q

SC joint close packed position

A

full elevation and protraction

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7
Q

SC joint capular pattern

A
  • pain at end ROM
  • horizontal adduction
  • full elevation
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8
Q

open chain SC joint arthrokinematics for protraction/retraction

A

concave clavicle on convex manubrium

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9
Q

open chain SC joint arthrokinematics for elevation/depression

A

convex clavicle on concave manubrium

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10
Q

superior glenohumeral ligament

A 
anatomic neck, above lesser tubercle
tightens with:
-inferior/post translations of the humeral head
-ER
-full adduction
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11
Q

middle glenohumeral ligament

A

-along the anterior aspect of anatomic neck
tightens with:
-anterior translation of humeral head especially in abd
-ER

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12
Q

inferior glenohumeral liagment

A

-broad sheet to inferior parts of anatomic neck
tightens with:
-all fibers: abduction
-anterior band: abd, ER
-posterior band: abd, IR
-axillary pouch: abd, A/P and inferior translation

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13
Q

coracohumeral ligament

A

anterior side of greater tubercle
tightens with:
-ER, inferior translation of humeral head

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14
Q

ac joint active stabilizers

A
  • upper trapezius

- deltoid

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15
Q

ac joint closed pack position

A

90 degrees abduction

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16
Q

ac joint open pack position

A

arm at side

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17
Q

ac joint capsular pattern

A
  • pain at end of ROM
  • horizontal adduction
  • full arm elevation
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18
Q

posterior rotation of the clavicle during abduction induced by:

A

coracoclavicular ligament

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19
Q

how many degrees does the scapular contribute to abduction?

A

60 degrees

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20
Q

How much of the humeral head is in contact with the glenoid fossa?

A

25 percent or less at any one time

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21
Q

glenohumeral closed pack position

A

abduction and lateral rotation

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22
Q

glenohumeral open pack postion

A

45 degress abduction
30 degrees flexion
(scapular plane)

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23
Q

glenohumeral capsular pattern

A

lateral rotation
abduction
medial rotation

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24
Q

isolated shoulder flexion ROM

A

120 degrees

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25
shoulder extension/hyperextension ROM
60-80 degrees
26
isolated shoulder abduction ROM
120
27
internal rotation ROM
60-70 degrees | 70-80 degrees when abducted
28
shoulder external rotation ROM
75-85 degrees | 90-100 degrees when abducted
29
conjunct rotation
the component of spin or rotation that accompany any impure movement
30
shoulder flexion ROM
0-180 degrees
31
shoulder abduction ROM
0-180 degrees
32
innervation of SC joint
C3-C4
33
innervation of AC joint
C5-C6
34
innervation of glenohumeral joint
C5-C6
35
axillary nerve roots
C5 C6
36
thoracodorsal nerve roots
C6, C7, C8
37
upper subscapular nerve roots
C5 C6
38
lower subscapular nerve roots
C5 C6
39
lateral pectoral nerve roots
C5 C6 C7
40
medial pectoral nerve roots
C8 T1
41
suprascapular nerve roots
C5 C6
42
subclavian nerve roots
C5 C6
43
dorsal scapular nerve root
C5
44
long thoracic nerve root
C5 C6 C7
45
SC elevation ROM
45-50 degrees
46
SC depression ROM
10 degrees
47
sc protraction ROM
30 degrees
48
sc retraction ROM
30 degrees
49
SC posterior rotation ROM
25-55 degrees
50
AC upward rotation ROM
30-35 degrees
51
scapulothoracic upward rotation ROM
60 degrees
52
action of supraspinatus during abduction
- drives the superior roll of the humeral head - compresses the humeral head against the glenoid fossa - creates a semirigid spacer above the humeral head, restricting excessive superior translation
53
action of subscapularis during abduction
depression force on humeral head
54
action of infraspinatus during abduction
depression force on humeral head | -externally rotates the humerus
55
action of teres minor during abduction
- depression force on humeral head | - externally rotates the humerus
56
during abduction adding 2 lbs can increase the joint reaction force by:
60%
57
order of torques for shoulder muscle groups:
``` greatest to least: extensors adductors flexors abductors internal rotators external rotators -eccentric contraction always greater torque ```
58
most common way to dislocate shoulder:
anterior
59
normal carrying angle
5-15 degrees
60
where do olecranon fractures usally happen?
deepest part of trochlear notch where there is little mineralization
61
ulnar collateral ligament gets tight with:
valgus anterior part: extension posterior part: flexion
62
radial collateral ligament gets tight with:
varus
63
lateral ulnar collateral ligament gets tight with:
varus ER of elbow flexion
64
annular ligament gets tight with:
distraction of the radius
65
oblique cord of elbow
: runs from lateral ulnar tuberosity to distal radial tuberosity -possibly to keep radius from moving distally
66
elbow flexion ROM
0-150 degrees
67
effect on carrying angle when elbow goes into flexion:
carrying angle decreases
68
ulnohumeral capsular pattern
-flexion is more limited than extension
69
ulnohumeral closed pack position
full extension with supination
70
ulnohumeral loose pack position
70 degrees flexion | 10 degrees supination
71
radiohumeral capsular pattern
flexion is more limited than extension
72
radiohumeral closed pack position
90 degrees flexion, slight supination
73
radiohumeral loose pack position
full extension | full supination
74
main dynamic stabilizer of the elbow
brachioradialis
75
elbow muscles pCSA greatest to smallest
brachialis biceps brachii brachioradialis pronator teres
76
largest to smallest moment arm of elbow muscles
brachioradialis biceps brachialis pronator teres
77
longest to shortest length of elbow muscles
biceps brachioradialis brachialis
78
where in elbow ROM is the greatest strength for elbow flexors?
75-90 degrees flexion
79
Superior radioulnar joint ROM
0-80 degrees supination and pronation
80
inferior radioulnar joint ROM
0-80 degrees supination and pronation
81
closed pack position for superior and inferiorradioulnar joint
5 degrees supination
82
superior radioulnar loose pack position
35 degrees supination | 70 degrees flexion
83
distal radioulnar loose pack position
10 degrees supination
84
where in the ROM is greatest strength for elbow extensors?
90 degrees | -has more optimal muscle length and tension from inert tissue
85
where in ROM is greatest moment arm for elbow extensors?
almost full extension
86
extension is ____ as strong as flexion
60-80%
87
SC anterior rotation ROM
0-10 degrees
88
AC upward/downward rotation ROM
0-30 degrees
89
AC internal/external rotation ROM
5-30 degrees
90
AC anterior/posterior tilt ROM
5-30 degrees
91
optimal position for palpation of supraspinatus tendon:
maximal adduction, IR, and hyperextension
92
optimal position for palpation of infraspinatus and teres minor tendons
shoulder flexion, Add, ER
93
optimal position for palpation of subscapularis tendon
shoulder adduction, neutral flex/ext neutral IR/ER | -in the deltopectoral triangle
94
optimal position for palpation of the biceps brachii long head tendon
shoulder add, medial rotation (lap position) | in the deltopectoral triangle
95
what elbow structure is lined with fibrocartilage?
annular ligament

Kinesiology 2 (PT 732) (5 decks)

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