Shoulder and Arm Flashcards
What is the origin of the deltoid?
lateral 1/3 of clavicle, acromion and spinous scapula (same as insertion of trapezius)
What is the insertion of the deltoid?
deltoid tuberosity
What is the origin of the Trapezius?
External occipital protuberance [EOP], medial portion of superior nuchal line of the occiput, ligamentum nuchae, and spinous porcesses of C7-T12
What is the insertion of the Trapezius?
Lateral 1/3 of clavicle, acromion, and spine of the scapula (same as origin of Deltoid)
What is the origin of the Latissimus Dorsi?
Inferior angle of scapula, spinous processes of last 6 thoracic vertebrae, last 3 or 4 ribs, thoracolumbar aponeurosis, and posterior iliac crest
What is the insertion of the Latissimus Dorsi?
Intertubercular groove of humerus
What is the origin of Teres Major?
Inferior angle and lower 1/3 of lateral border of scapula
What is the Insertion of Teres Major?
Crest of lesser tubercle of humerus
What is the origin of Supraspinatus?
Supraspinous fossa of the scapula
What is the insertion of the Supraspinatus?
Greater tubercle of the humerus
What is the origin of Infraspinatus?
Infraspinous fossa of scapula
What is the insertion of Infraspinatus?
Greater tubercle of humerus
What is the origin of Teres Minor?
Upper 2/3s of lateral border of scapula
What is the insertion of Teres Minor?
Greater tubercle of humerus
What is the origin of Subscapularis?
Subscapular fossa of the scapula
What is the insertion of Subscapularis?
Lesser tubercle of the humerus
What is the origin of Rhomboid Major?
Spinous processes of T2-T5
What is the insertion of Rhomboid Major?
Medial border of the scapula between the spine of the scapula and inferior angle
What is the origin of Rhomboid Minor?
Spinous process of C-7 and T-1
What is the insertion of Rhomboid Minor?
Upper portion of medial border of the scapula, across from spine of the scapula
What is the origin of the Levator Scapulae?
Transverse processes of C1-C4
What is the insertion of the Levator Scapulae?
Medial border of scapula, between superior angle and superior portion of spine of scapula
What is the origin of Seratus Anterior?
External surfaces of upper 8 or 9 ribs
What is the insertion of Serratus Anterior?
Interior surface of medial border of scapula
What is the origin of Pectoralis Major?
Medial half of clavicle, sternum, and cartilage of first through sixth ribs
What is the Insertion of the Pectoralis Major?
Crest of the greater tubercle of humerus
What is the origin of Pectoralis Minor?
Third, fourth, ad fifth ribs
What is the insertion of Pectoralis Minor?
Medial surface of coracoid process of the scapula
What is the origin of the Subclavius?
1st rib and cartilage
What is the insertion of the Subclavius?
Inferior surface of middle 1/3 of clavicle
What is the origin of the Biceps Brachii?
- Short head:* Coracoid process of scapula
- Long head:* Supraglenoid tubercle of scapula
What is the insertion of the Biceps Brachii?
Tuberosity of the radius and aponeurosis of the biceps brachii
What is the origin of the Triceps Brachii?
- Long head:* Infraglenoid tubercle of the scapula
- Lateral head: Posterior surface of proximal half of the humerus*
- Medial head: Posterior surface of distal half of the humerus*
What is the insertion of the Triceps Brachii?
Olecranon process of the ulna
What is the origin of coracobrachialis?
Coracoid process of the scapula
What is the insertion of coracobrachialis?
Medial surface of mid-humeral shaft
