Origins and insertions of upper arm muscles

Here we look at the bony structures that the deltoid, pectoralis major, lattisimus dorsi, coracobrachialis, biceps brachii and triceps brachii muscles attach to as orgins and insertions. This helps us understand the movements that these muscles can cause and I'll mention their innervation. Music: Wake Up Call by Gregory David https://www.epidemicsound.com/music/t...