Muscles that Move the Glenohumeral Joint | Origin, Insertion, Action, & More

The video tutorial explores the anatomy and functions of muscles that produce movements at the glenohumeral joint, excluding rotator cuff and shoulder girdle muscles. It covers the deltoid, pectoralis major, latissimus dorsi, and teres major muscles, detailing their origins, insertions, actions, and innervations. The tutorial also explains the role of these muscles in shoulder movements such as flexion, extension, abduction, and internal rotation.

What is the innervation of the deltoid muscle?

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What is the role of the deltopectoral groove?

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What actions does the pectoralis major facilitate?

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Describe the origin of the teres major muscle.

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