UL Origin, Insertions, and Innervations 1 Flashcards
Rhomboid minor - Origin
C7-T1 spinous processes
Rhomboid minor - Insertion
Root of spine of scapula
Rhomboid minor - Innervation
Dorsal scapular nerve
Rhomboid major - Origin
T2-T5 spinous processes
Rhomboid major - Insertion
Medial border of scapula (between root of spine and inferior angle)
Rhomboid major - Innervation
Dorsal scapular nerve
Latissimus dorsi - Origin
Thoracolumbar fascia, T7-T12 spinous processes
Latissimus dorsi - Insertion
Intertubercular sulcus of humerus
Latissimus dorsi - Innervation
Thoracodorsal nerve
Subscapularis - Origin
Subscapular fossa of scapula
Subscapularis - Insertion
Lesser tubercle of humerus
Subscapularis - Innervation
Upper and lower subscapular nerves
Infraspinatus - Origin
Infraspinous fossa of scapula
Infraspinatus - Insertion
Greater tubercle of humerus
Infraspinatus - Innervation
Suprascapular nerve
Teres minor - Origin
Lateral border of scapular
Teres minor - Insertion
Greater tubercle of humerus
Teres minor - Innervation
Axillary nerve
Pectoralis minor - Origin
Anterior surface of costal cartilages of ribs 3-5
Pectoralis minor - Insertion
Coracoid process of scapula
Pectoralis minor - Innervation
Medial and lateral pectoral nerves