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

UE Muscle O,I,A,&Ns Flashcards

upper ext. review slides

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

A

inferior angle of scpa moved medial

22
Q

Deltoid O&I

A

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

Insertion:
Deltoid tuberosity of humerus

23
Q

Action of deltoid

A

medially rotate humerus
abducts humerus
laterally rotates humerus

24
Q

innervation of the deltoid

A

axillary

25
Q

Teres Major O&I

A

origin: posterior surface of inferior angle of scap

Insertion: medial lip (lesser) of intertubercular groove of the humerus

26
Q

Teres Major Action

A

adduct

IR

27
Q

Teres Major Innervation

A

Lower subscapular N

Posterior cord

28
Q

Teres Minor O&I

A

Origin: Mid lateral border of scap

Innervation: inferior facet of the greater tubercle

29
Q

Teres Minor Action

A

ER

30
Q

Teres Minor innervation

A

axillary

C5,6

31
Q

Supraspinatus O&I

A

origin: supraspinatus fossa of scapula
Insertion: superior facet of the greater tubercle

32
Q

Action of supraspinatus

A

initiates abd

33
Q

Innervation of the supraspinatus

A

suprascapular N

superior trunk

34
Q

Infraspinatus (O&I)

A

Origin: infraspinatus fossa
Insertion: middle facet of greater tubercle

35
Q

action of infraspinatus

A

ER

36
Q

Innervation of infraspinatus M

A

supraspinatus

superior trunk

37
Q

Subscapular Insertion

A

lesser tubercle of humerus

38
Q

Subscapular Action

A

IR

39
Q

innervation of subscapularis

A

upper and lower subscapular

Posterior cord

40
Q

elevation of the scap

primary/ secondary movers

A

primary: trap
synergist: levator rhomboid

41
Q

depression of the scap

primary/ secondary movers

A

prim: gravity
synergist: pec major
lats
traps
serratus anterior
pec minor

42
Q

protraction of scap

primary/ secondary movers

A

prim: serratus anterior
Synergist: pec minor/major

43
Q

Retraction of scap:

primary/ secondary movers

A

primary: traps
synergist: rhomboids
latissimus dorsi

44
Q

upward rotation of scap

primary/ secondary movers

A

prim: traps , serratus anterior
synergist: traps

45
Q

downward rotation of scap

primary/ secondary movers

A

prim: lats
secondary:
gravity
levator scap
rhomboids
pec minor/ major

46
Q

flexion of humerus

primary/ secondary movers

A

prim: pec major , deltoid
synergist: coracobrachialis, bicep

47
Q

extension of humerus

primary/ secondary movers

A

prim: deltoid
synergist: teres minor

48
Q

abduction of humerus

primary/ secondary movers

A

prim: deltoid
synergist: supraspinatus

49
Q

adduction of humerus:

primary/ secondary movers

A

primary: pec major
latissimus
synergist : subscapularis, infraspinatus, teres minor

50
Q

lateral rotation of humerus

primary/ secondary movers

A

prim: infraspinatus
synergist: teres minor , deltoid

51
Q

medial rotation of humerus (primary/ secondary movers)

A

primary: subscapularis
secondary: pec major, latissimus, deltoid

T2 - Extremities (7 decks)

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