2 Flashcards

1
Q

what are the superficial muscles ?

A

trapezius
levator
rhomboid minor
rhomboid major
latissimus

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2
Q

the orgin of trapezius muscle?

A

external occipital bone
nucal ligament 7th c
all thoracic v
spinous process

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3
Q

fibers of trapezius muscle ?

A

superior whic are descending fibers
middle
inferior which are ascending fibers

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4
Q

insertion of trapezius muscle ?

A

superior to the third lateral clivical bone
middle to acromion
inferior to the spine of scapula

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5
Q

action of trapezius muscle ?

A

S:elevates and upwarly rotates the scapula
m:retract the scapula/shoulder
IN:draw the scapula
abduction

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6
Q

nerve supply of trapezius?

A

spinal accessory nerve cnXI

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7
Q

SYMPTOMS of tapezius inj?

A

pain in trapezius muscle
difficulty in moving shoulder
trapezius wasting

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8
Q

latissimus dorsi muscle its orgin ?

A

T6-T12
all lumbar v
sacrum
iliac crest
thoracolumbar fasia
inferoir angle
9-12 ribs

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9
Q

insertion of latissimuus muscle ?

A

intertubercla groove between m and l lips

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10
Q

nerve supply of latissimus muscle?

A

thoracodorsal C6-C8 middle subscapular nerve

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11
Q

action of latissimus muscle ?

A

extention ;adducts and nedial rotation of arm
pulls the trunks upweards

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12
Q

injuery of latissimus muscle ?

A

cause surgery in axilla
persone is unable to raise the trunk
difficulty in swimming

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13
Q

orgin of levator muscle?

A

transveres process of C1-C4

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14
Q

insrtion of lavetor muscle ?

A

medial border of scapula
superior angle upper portion

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15
Q

action of lavetor muscle?

A

elevates the superior angle of scapula downwards the lateral border
rotate the glenooid cavity

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16
Q

nerve supply of lavetor muscle ?

A

dorsal scapular nerve
C5

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17
Q

levator scapula muscle syndrome ?

A

neck becomes stiff from muscle strains

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18
Q

orgin of rhomboid muscle ?

A

nucal ligament spinous processes of C7-T1

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19
Q

insertion of rhomboid minor muscle ?

A

medial border of scapula
root of spine of scapula

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20
Q

nerve supply of rhomboid muscles ?

A

dorsal scapular nerve

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21
Q

Action: of rhomboid muscles

A

Draws (retracts) scapula
superomedially Rotates glenoid
cavity inferiorly
– Supports position of scapula
and fixes it to thoracic wall

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22
Q

muscles of shoulder region girdle?

A

deltoid muscle
supraspinatus muscle
infraspinatus muscle
subscapularies muscle
teres major muscle
teres minor

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23
Q

all of the muscles of the shoulder arise from? there is exception

A

from the scapula all from the dorsal surface except subscapularis m from the anterior s

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24
Q

muscles of shoulder region girdle inserted ?

A

in the greater tubercle of humerus

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25
which muscles rotate the arm medially and laterally?
muscles of the shoulder region
26
muscle of shoulder region adduct the arm except?
supraspinatus muscle tand deltoid they abduct
27
deltoid muscle 4 points?
triangular shaped covers and reinforces the shoulder joint gives the shape of the shoulder can be palpated
28
3 parts of deltoid muscle ?
clavicular acromial spinal
29
insretion of deltoid muscle ?
deltoid tubrosity of humerus
30
action of clavicular part?
flexion and medial rotation
31
action of acromial part?
abduction 15-90
32
action of spinal part?
extension and lateral rotation
33
nerve supply of deltoid muscle?
axillary nerve C5;C6
34
injection given in //// to avoid injury to axillary nerve ?
lower half
35
the injection site in the ?
middle of the deltoid muscle
36
the most commo drug given as shoulder injection for shoulder pain?
cortisone
37
causes of axillary nerve ?3
dislocated shoulder surgical neck of the humerus fracture traction injury to the nerve caused by extensive streching
38
clinical features of axillary nerve disfunction ?
paralysis to deltoid muscle reduction in shoulder abducion atrophy of deltoid muscle loss of contour over the shoulder muscle wasting
39
support the shoulder joint gives stability by holding the head of humerus in the glenoid cavity?
rotator cuff muscles
40
SITS muscles ?
supraspinatus infraspinatus teres minor subscapularies
41
supraspinatus muscle orgin insertion? action nerve supply
supraspinous fossa greater tubercle of humerus initiation of abduction up to 15 suprascapular nerve C5;C6
42
infraspinatus muscle orgin insertion action nerve supply
infraspinous fossa greater tubrcle of humerus lateral rotation ;extension and adduction of shoulder and strengthen the shouldr by bracing the head of humerus surascapular nerv
43
subscapularis muscle orgin insertion action nerve supply
subscapular fossa lesssr tubrecle adduction medial rotation and extention upper and lower subscapular nerve
44
teres minor muscle orgin insertion action nerve supple
posterior lateral border of scapula greater tubercle of the humerus lateral rotationn ;extension and adduction axillary nerve
45
teres major muscle orgin insertion action nerve supply
dorsal surfase of inferior angle of scapula intertubercle groove of the humerus etends the arm from flexed postion adducts and medial rotates the arm lower subscapular nerve C567
46
suprascapular nerve orgin innervates
branches from the upper trunl of the brachial plxus drived from cervical nerves C5-C6 supraspinatus and the infraspinatus muscles
47
which muscle suspends scapula on thoracic wall ;draws scapula anterolaterally?
serratus anterior muscle boxer muscle
48
nerve supply of serratus anterior muscle ?
long thoracic nerve C6;7;5
49
muscle of back of the arm?
Triceps brachii muscle
50
three different muscle bundles whicj compose triceps?
long head /infraglenoid tubercle medial head /upper posterior medial aspect below the radial groove of humerus lateral head /upper posterior lateral aspect above the radial groove of humerus
51
insertion of tricepes brachii muscle
olecranon process of the ulna
52
action triceps brachii muscle ?
extends the forearm at the elbow joint long head extends and adducts the arm at the shoulder joint serves as an important surgical land mark in its role forming the anatomical spaces
53
nerve supply of tricepes brachii muscle ?
radial nerve C5-C8
54
extension at the elbew joint ?
triceps brachii muscle
55
what is the major entensor muscle of forearm ?
triceps brachii muscle
56
extends and adducts the arm 3
tricpes brachii muscle
57
innervates the entire extensore muscles both arm and forearm?
motor innervation GSE
58
sensory innervation GSA
lower inferio lateral cutaneous nerve of arm posterior cutaneous nerve of arm posterior brachial coutenous nerve posterior cutaneous nerve of forearm
59
radial nerve passes with the ?
profunda deep bravial artery in the spiral radial groove of the humerus bone
60
fracture of shaft of humerus 2 structure will be injured
radiadl nerve deep profunda brachial artery
61
radial nerve palsy?
extension movement will be compromised ;impaired weakend in arm forearm and wrist wrist drop loss of sensation
62
bursas
subtendinous bursa intraendinous bursa subcutaneus olecranon bursa
63
student's elbow
olecranon bursitis
64
quadrangular space contents which nerve and that nerve supply which muscles?
axillary nerve innervates teres minor deltoid muscle
65
quadrangular space contents which artery ?
posterior humeral circumflex artery
66
triangular space medial upper tringular space boders and contents ??
INF/teres major LA/long head of triceps SUP/lower border of teres minor scapular circumflex artery no nerves
67
contents of triangular interval ?
radial nerve profunda brachii artery