Lecture 14 Flashcards

1
Q

Supraspinoustus( origin)

A

Supraspinous fossa of scapula

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2
Q

Supraspinatous insertion

A

Most superior facet of greater tubercle of humorous

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3
Q

Supraspinatous Innervation

A

Suprascapular nerve

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4
Q

Supraspinatous function

A

Rotate cuff muscle and initiates abduction of arm to 15°

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5
Q

Infraspinatus Origin

A

Infraspinous fossa of the scapula

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6
Q

Infraspinatus insertion

A

Middle passage of posterior surface of greater tubercle of humorous

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7
Q

Infraspinatus innervation 

A

Suprascapular nerve

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8
Q

Infraspinatus function

A

Rotate a cuff muscle
lateral rotation of arm at shoulder joint

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9
Q

Teres minor Origin

A

Lateral border of scapula

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10
Q

Teres minor Insertion

A

In theory episode of posterior surface of greater tubercle humorous

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11
Q

Teres minor (innervation)

A

Axillary nerve

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12
Q

Teres minor function

A

Rotator cuff muscles
Lateral rotation off on that shoulder joints

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13
Q

Teres major origin

A

Inferior angle of scapula

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14
Q

Teres major insertion

A

Medial lip of inter tubercle groove of humerus

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15
Q

Teres major innervation

A

Lower sub scapular nerve

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16
Q

Pectoralis major origin

A

Cartilages of ribs 2-6
body of Sternum
inferior medial portion of clavicle

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17
Q

Pectoralis Major: insertion

A

Crest of greater tubercle
lateral lip of intertubercle groove of humerus

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18
Q

Pictorials Major: innervation

A

Medial and Lateral pec nerve

19
Q

Function of Pectoralis Major:

A

Flexion, adduction and medial rotation of shoulder joint

20
Q

Pectoralis Minor: Origin

A

Anterior and superior surface of ribs

21
Q

Pectoralis minor: insertion

A

Coracoid process of scapula

22
Q

Pectoralis minor: innervation

A

Medial part of the pectoralis nerve

23
Q

Pectoralis minor: Function

A

Pulls the tip of the shoulder down

protects the scapula

24
Q

Sub-clacvius: Origin

A

1st of costal cartilage

25
Q

Sub clavius : insertion

A

inferior surface of clavicle

26
Q

sub clavius: Innervation

A

Nerve to subclavius

27
Q

sub clavius: Function

A

pulls the shoulder down by depressing clavicle

stabilizes the clavicle

28
Q

Sub-Scapularis: Origin

A

Subscapular fossa

29
Q

Subscapularis: Insertion

A

lesser tubercle of humerus

30
Q

Subscapularis: Innervation

A

Lower and upper subscapularis

31
Q

Subscapularis : Function

A

Rotator cuff muscle
medial rotation of arm at shoulder

32
Q

Serratus anterior : Origin

A

Outer surface of rib 1-8

33
Q

Serratus anterior: insertion

A

anterior surface of medial border of scapula

34
Q

Serratus anterior: Innervation

A

Long thoracic nerve

35
Q

Serratus anterior: Function

A

Protraction of scapula

rotation of scapula to move glenoid cavity

36
Q

Coraco brachii: Origin

A

Coracoid process of scapula

37
Q

Cora co Brachii :Insertion

A

Medial surface of shaft of humerus

38
Q

Cora co brachi: innervation

A

Masculocutaneous

39
Q

Function of cora co brachii

A

Adduction and flexion of the arm at shoulder joint

40
Q

Rotator cuff muscle: the SITS MUSCLES

A

Spurspinatus
Infraspinatus
Teres minor
Subscapularis

41
Q

what of these shorts muscles is fused to the underlying capsule of shoulder joint

A

the tendons

42
Q

why is the cuff important

A

it stabilizes the shoulder joint

43
Q

what does the muscle tone of these muscles assist in

A

Holding the head of the humerus in the glenoid cavity

44
Q

where does the rotator cuff lie

A

anterior
superior
posterior