Shoulder O/I Flashcards

1
Q

Infraspinatus

A

O: Infraspinous fossa of scapula

I: Middle facet on posterior surface of greater tubercle of humerus

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2
Q

Teres minor

A

O: Upper 2/3 of infraspinous fossa
Lateral border of scapula

I: Inferior facet of the posterior surface of greater tubercle of humerus

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3
Q

Teres major

A

O: Dorsal surface of inferior angle of scapula (elongate oval area)

I: Medial lip of the intertubercular groove of the humerus

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4
Q

Latissimus dorsi

A

O: Spinous processes of T7-T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs

I: Intertubercular groove of humerus

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5
Q

Deltoid

A

O: Lateral 1/3 of clavicle, acromion, and spines of scapula

I: Deltoid tuberosity of humerus

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6
Q

Pectoralis Major

A

O: Clavicular head: Anterior surface of medial 1/2 of clavicle
Sterno-costal head: Anterior surface of sternum
Sternal head of sixth rib
Aponeurosis of external oblique

I: Clavicular head: Lateral lip of intertubecular groove of humerus
Sterno-costal head: Lateral lip of intertubecular groove of humerus

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