Lecture 14 Flashcards by HOPE MUVHANGO

Supraspinoustus( origin)

Supraspinous fossa of scapula

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Supraspinatous insertion

Most superior facet of greater tubercle of humorous

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Supraspinatous Innervation

Suprascapular nerve

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Supraspinatous function

Rotate cuff muscle and initiates abduction of arm to 15°

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Infraspinatus Origin

Infraspinous fossa of the scapula

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Infraspinatus insertion

Middle passage of posterior surface of greater tubercle of humorous

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Infraspinatus innervation

Suprascapular nerve

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Infraspinatus function

Rotate a cuff muscle
lateral rotation of arm at shoulder joint

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Teres minor Origin

Lateral border of scapula

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Teres minor Insertion

In theory episode of posterior surface of greater tubercle humorous

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Teres minor (innervation)

Axillary nerve

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Teres minor function

Rotator cuff muscles
Lateral rotation off on that shoulder joints

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Teres major origin

Inferior angle of scapula

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Teres major insertion

Medial lip of inter tubercle groove of humerus

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Teres major innervation

Lower sub scapular nerve

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Pectoralis major origin

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

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Pectoralis Major: insertion

Crest of greater tubercle
lateral lip of intertubercle groove of humerus

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Pictorials Major: innervation

Medial and Lateral pec nerve

Function of Pectoralis Major:

Flexion, adduction and medial rotation of shoulder joint

Pectoralis Minor: Origin

Anterior and superior surface of ribs

Pectoralis minor: insertion

Coracoid process of scapula

Pectoralis minor: innervation

Medial part of the pectoralis nerve

Pectoralis minor: Function

Pulls the tip of the shoulder down

protects the scapula

Sub-clacvius: Origin

1st of costal cartilage

Sub clavius : insertion

inferior surface of clavicle

sub clavius: Innervation

Nerve to subclavius

sub clavius: Function

pulls the shoulder down by depressing clavicle stabilizes the clavicle

Sub-Scapularis: Origin

Subscapular fossa

Subscapularis: Insertion

lesser tubercle of humerus

Subscapularis: Innervation

Lower and upper subscapularis

Subscapularis : Function

Rotator cuff muscle medial rotation of arm at shoulder

Serratus anterior : Origin

Outer surface of rib 1-8

Serratus anterior: insertion

anterior surface of medial border of scapula

Serratus anterior: Innervation

Long thoracic nerve

Serratus anterior: Function

Protraction of scapula rotation of scapula to move glenoid cavity

Coraco brachii: Origin

Coracoid process of scapula

Cora co Brachii :Insertion

Medial surface of shaft of humerus

Cora co brachi: innervation

Masculocutaneous

Function of cora co brachii

Adduction and flexion of the arm at shoulder joint

Rotator cuff muscle: the SITS MUSCLES

Spurspinatus Infraspinatus Teres minor Subscapularis

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

the tendons

why is the cuff important

it stabilizes the shoulder joint

what does the muscle tone of these muscles assist in

Holding the head of the humerus in the glenoid cavity

where does the rotator cuff lie

anterior superior posterior