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T2 - Extremities > UE Muscle O,I,A,&Ns > Flashcards

UE Muscle O,I,A,&Ns Flashcards

upper ext. review slides (51 cards)

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1
Q

pec Major O & I

A 
Origin: 
Clavicle 
sternum
1-6 ribs
aponeurosis of external oblique

Insertion:
Lat. lip of the intertubercular groove

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2
Q

Action of Pec major

A

humerus:
adducts
IR

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3
Q

Pec Major N

A

lateral and medial Pectoral

from lat./med. chord of brachial plex

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4
Q

Pec Minor O&I

A

Origin: 3-5th ribs
Insertion: coracoid process

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5
Q

Pec Minor Action

A

stabilizes scap by: drawing it ant/inf

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6
Q

Pec Minor N

A

medial Pectoral

from medial cord of brachial Plex

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7
Q

Subclavius O&I

A

origin: 1st rib
Insertion: inf. surface of clavicle

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8
Q

Action of subclavian

A

anchors and depresses clavicle

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9
Q

Serratus anterior O&I

A

Origin : rib 1-8

Insertion: anterior surface of the medial border of the scap

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10
Q

Action of serratus anterior

A

protracts scap

rotates scap upward

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11
Q

Innervation of the serratus anterior

A

long thoracic nerve

Roots of C5,6,7

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12
Q

Trapezius I&O

A

origin:
medial 1/3 of the superior nuchal line,
EOP,
nuchal lig, SPC7-12

Insertion:
Clavicle
acromion
spine of scap

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13
Q

Trapezius N innervation

A

CN 11

Roots to the accessory N’s C3-4

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14
Q

Latissimus Dorsi O&I

A 
Origin: 
SP of T7-L5
Rib 10-12
iliac crest 
thoracolumbar fascia

Insertion: floor of the intertubercular groove of humerus

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15
Q

Levator Scapulae O&I

A

Origin: TP’s of C1-C4

Insertion: Medial border of scap. superior to the root of the spine

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16
Q

Action of levator scap

A

elevation

downward rotation of glenoid fossa

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17
Q

Innervation of Levator scap

A

dorsal scapular N

Root of C5

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18
Q

Rhomoid Major

A

Origin: SP T2-T5

Insertion: medial border of the scap to inf. border

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19
Q

Rhomoid Minor

A

Origin : nuchal lig of SPs of C7-T1

Insertion: root of the scap spine

(rhomoids: C7-T6)

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20
Q

action of the rhomoids:

A

retraction

downward rotation of glenoid fossa

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21
Q

downward rotation of glenoid fossa means

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A

inferior angle of scpa moved medial

22
Q

Deltoid O&I

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A

origin: lateral 1/3 of clavicle
acromion
spine of scap

Insertion:
Deltoid tuberosity of humerus

23
Q

Action of deltoid

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A

medially rotate humerus
abducts humerus
laterally rotates humerus

24
Q

innervation of the deltoid

25
Teres Major O&I
origin: posterior surface of inferior angle of scap Insertion: medial lip (lesser) of intertubercular groove of the humerus
26
Teres Major Action
adduct | IR
27
Teres Major Innervation
Lower subscapular N | Posterior cord
28
Teres Minor O&I
Origin: Mid lateral border of scap Innervation: inferior facet of the greater tubercle
29
Teres Minor Action
ER
30
Teres Minor innervation
axillary | C5,6
31
Supraspinatus O&I
origin: supraspinatus fossa of scapula Insertion: superior facet of the greater tubercle
32
Action of supraspinatus
initiates abd
33
Innervation of the supraspinatus
suprascapular N | superior trunk
34
Infraspinatus (O&I)
Origin: infraspinatus fossa Insertion: middle facet of greater tubercle
35
action of infraspinatus
ER
36
Innervation of infraspinatus M
supraspinatus | superior trunk
37
Subscapular Insertion
lesser tubercle of humerus
38
Subscapular Action
IR
39
innervation of subscapularis
upper and lower subscapular | Posterior cord
40
elevation of the scap | primary/ secondary movers
primary: trap synergist: levator rhomboid
41
depression of the scap | primary/ secondary movers
prim: gravity synergist: pec major lats traps serratus anterior pec minor
42
protraction of scap | primary/ secondary movers
prim: serratus anterior Synergist: pec minor/major
43
Retraction of scap: | primary/ secondary movers
primary: traps synergist: rhomboids latissimus dorsi
44
upward rotation of scap | primary/ secondary movers
prim: traps , serratus anterior synergist: traps
45
downward rotation of scap | primary/ secondary movers
prim: lats secondary: gravity levator scap rhomboids pec minor/ major
46
flexion of humerus | primary/ secondary movers
prim: pec major , deltoid synergist: coracobrachialis, bicep
47
extension of humerus | primary/ secondary movers
prim: deltoid synergist: teres minor
48
abduction of humerus | primary/ secondary movers
prim: deltoid synergist: supraspinatus
49
adduction of humerus: | primary/ secondary movers
primary: pec major latissimus synergist : subscapularis, infraspinatus, teres minor
50
lateral rotation of humerus | primary/ secondary movers
prim: infraspinatus synergist: teres minor , deltoid
51
medial rotation of humerus (primary/ secondary movers)
primary: subscapularis secondary: pec major, latissimus, deltoid

T2 - Extremities (7 decks)

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