Home » Anatomy » Upper Extremity Muscles

Upper Extremity Muscles

Coracobrachialis – Massage Notes

Integrative Works is hosting some content on Patreon so that we can devote more time and energy to creating the resources that you need. Basically, the majority of our content is still available to the public. Content that is oriented toward bodywork professionals is available with a nominal subscription to Patreon. Log in to Patreon …

Coracobrachialis – Massage Notes Read More »

Coracobrachialis – Functional Anatomy

  The coracobrachialis is a long muscle on the upper, inside edge of the upper arm. Origin tip of the coracoid process of the scapula Insertion medial shaft of the humerus Function flexes the shoulder (glenohumeral joint) adducts the shoulder some medial rotation of the shoulder Innervation musculocutaneous nerve (C5-7) The coracobrachialis is typically a …

Coracobrachialis – Functional Anatomy Read More »

Teres Major – Functional Anatomy

The anatomy of the teres major is both complicated and straightforward. At first glance, it is a rounded (“teres”) structure with two attachments. However, variations in the muscles and neurovascular bundle that surround it vary its role in the shoulder. Overview Origin the posterior, inferior edge of the lateral border of the scapula Insertion the …

Teres Major – Functional Anatomy Read More »

Rotator Cuff Muscles – Functional Anatomy

Overview Rotator cuff muscle anatomy is both simple and complicated in their anatomy. Simply put, they secure and refine movements of the head of the humerus. However, each muscle has complications in structure and function. Origin scapula Insertion head of the humerus Function Stabilize, rotate and adduct the humerus Innervation Brachial Plexus – suprascapular nerve, …

Rotator Cuff Muscles – Functional Anatomy Read More »

Infraspinatus – Functional Anatomy

The anatomy of the infraspinatus is a bit more complicated than typically explained. A more detailed understanding is helpful for effective neuromuscular massage. The trigger point locations, which produce different patterns, are in different bellies. Overview of Anatomy Overview The infraspinatus is a flat rotator cuff muscle located in the infraspinous fossa of the scapula. …

Infraspinatus – Functional Anatomy Read More »

Subscapularis – Functional Anatomy

The subscapularis muscle is a thick, fan-shaped muscle on the underside of the shoulder blade. By far, it is the largest and strongest rotator cuff muscle. Also, it the largest shoulder muscle. A bursa separates it from the serratus anterior. Origin subscapular fossa Insertion lesser and greater tubercle of the humerus Function internal rotation of the …

Subscapularis – Functional Anatomy Read More »