-
Trapezius
O: Occipital bone; spinous process; ligamentum nuchae
I: Clavicle, Acromion, spine of scapula
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Levatar Scapulae
O: Transverse Processes of the Cervical Vertabrae, C1-C4.
I: Superior, medial border of the scapula.
-
Rhomboid Major
O: Spinous Process of Thoracic V.
I: Medial border of Scapula
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Pectoralis Major
O: Ribs (3-5)
I: Caracoid Process of Scapula
-
Serratus Anterior (Boxer's muscle)
O: Ribs 1-8, 9
I: Medial border of Scapula
-
Muscles acting on the arm.
Flexors?
Extenders?
Flexors: Pectoralis Major; Coracobrachialis
Extenders: Latisimus Dorsi, Teres Major
-
Muscles acting on the arm.
Abductors?
Adductors?
Ab: Latissimus Dorsi, Coracobrachialis, Teres Major
Add: Deltoid, Supraspinatus
-
Muscles acting on the arm.
What are the rotator cuff mucles?
*SITS
O/I
S supraspinatus
I infraspinatus
T teres minor
S subscapularis
O: Scapula
I: Humerus
-
Pectoralis Major (Swimmer's muscle)
O: Sternum & Clavicle
I: Humerus
-
Coracobrachialis
O: Carcoid process of the Scapula
I: medial Humerus
-
Latissimus Dorsi
O: Thoracic V., ribs, iliac crest, Thoracolumbar fascia
I: Intertubecular groove of the Humerus
-
Teres Major
O: Inferior Scapula
I: Intertubecular groove of humerus - lesser tubercle
-
Deltoid
O: acromial end of clavicle
I: Deltoid tuberosity of humerus
-
Biceps Brachii
O: Scapula
I: Radial tuberosity & bicipitial aponeurosis
-
Brachialis
O: humerus
I: Tuberosity & coranoid process of ulna
-
Brachioradialis
O: lateral ridge of Humerus
I: Styloid process of Radius
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