Lab 3 Muscle Info

deltoid insertion

deltoid tuberosity of the humerus

supraspinatus origin

medial 2/3 of the supraspinus fossa and the deep fascia

supraspinatus insertion

most superior facet of the greater tubercle of the humerus

infraspinatus origin

Medial two-thirds of the infraspinous fossa of the scapula and the deep fascia that covers the muscle

infraspinatus insertion

Middle facet on posterior surface of the greater tubercle of the humerus

teres minor origin

Upper two-thirds of the lateral border of the scapula

teres minor insertion

Inferior facet on the posterior surface of the greater tubercle of the humerus

triceps brachii long head origin

Infraglenoid tubercle on scapula

triceps brachii long head insertion

medial and lateral heads on the olecranon process of ulna

triceps brachii medial head origin

posterior surface of the humerus

triceps brachii medial head insertion

olecranon

triceps brachii lateral head origin

posterior surface of the humerus

triceps brachii lateral head insertion

olecranon