Shoulder Muscles (Origins and Insertion)

42 flashcards

Supraspinatous - Origin
Supraspinous fossa
Supraspinatous - Insertion
Greater tubercle of humerus
Infraspinatus - Origin
Infraspinous fossa
Infraspinatus - Insertion
Greater tubercle of humerus
Teres minor - Origin
Superior half of lateral border of scapula
Teres minor - Insertion
Greater tubercle of humerus
Subscapularis - Origin
Subscapular fossa
Subscapularis - Insertion
Lesser tubercle of humerus
Teres major - Origin
Inferior angle of scapula
Teres major - Insertion
Crest of lesser tubercle
Pec minor - Origin
Anterior end of ribs 3-5
Pec minor - Insertion
Coracoid process of scapula
Pec major Clavicular head - Origin
Anterior aspect, and medial half of clavicle
Pec major Clavicular head - Insertion
Crest of greater tubercle of humerus
Pec major Sternocostal head - Origin
Manubrium Sternal body True ribs Costal cartilages
Pec major Sternocostal head - Insertion
Crest of greater tubercle of humerus
Pec major Abdominal head - Origin
Abdominal external oblique aponeurosis
Pec major Abdominal head - Insertion
Crest of greater tubercle of humerus
Trapezius Upper - Origin
- External occipital protuberance -Superior nuchal line - Nuchal ligament - C7 spinous process
Trapezius Upper - Insertion
Posterior lateral 1/3 of clavicle, Acromion
Trapezius Middle - Origin
Spinous process of C7-T4 vertebrae
Trapezius Middle - Insertion
- Acromion - Lateral end of spine of scapula
Trapezius Lower - Origin
Spinous process of T5-T12
Trapezius Lower - Insertion
Medial end of spine of scapula
Latissimus dorsi - Origin
-Spinous process of T7-T12 - Thoracolumbar fascia - Ribs 9-12 - Iliac crest
Latissimus dorsi - Insertion
Floor of intertubercular sulcus of humerus
Deltoid Front - Origin
Lateral 1/3 of anterior clavicle
Deltoid Front - Insertion
Deltoid tuberosity
Deltoid Middle - Origin
Acromion
Deltoid Middle - Insertion
Deltoid tuberosity
Deltoid Back - Origin
Spine of scapula
Deltoid Back - Insertion
Deltoid tuberosity
Coracobrachialis - Origin
Coracoid process
Coracobrachialis - Insertion
Middle third, medial aspect of humerus
Bicep Short head - Origin
Apex of coracoid process
Bicep Short head - Insertion
Radial tuberosity and antebrachial fascia
Bicep Long head - Origin
Supraglenoid tubercle of scapula
Bicep Long head - Insertion
Radial tuberosity and antebrachial fascia
Tricep Long head - Origin
Infraglenoid tubercle of scapula
Tricep Long head - Insertion
Olecranon of ulna and adjacent antebrachial fascia
Tricep Lateral head - Origin
Posterior surface of humerus, superior to radial groove
Tricep Lateral head - Insertion
Olecranon of ulna and adjacent antebrachial fascia