facioescapulohumerales

Facioescapulohumerales is an anatomical region encompassing muscles and associated structures that connect the face, scapula, and humerus, playing integral roles in movement and stability of the shoulder and upper limb. The term is derived from Latin roots, with "facio" referring to the face, "escapulo" to the scapula (shoulder blade), and "humerales" to the humerus (upper arm bone). This region involves complex muscular and fascial networks facilitating shoulder mobility, nerve innervation, and postural support.

Key muscles within this area include parts of the trapezius, deltoid, supraspinatus, infraspinatus, subscapularis, and serratus anterior. These muscles contribute to movements such as abduction, elevation, rotation, and stabilization of the shoulder joint. The region is also associated with vital neurovascular structures that supply the upper limb, including portions of the brachial plexus and the axillary artery.

The fascial components, including the superficial and deep cervical fascia, help compartmentalize and support these muscles, ensuring proper function and providing pathways for neurovascular passage. The coordinated action of these muscles and fascia is essential for activities involving lifting, reaching, and facial expressions.

In clinical contexts, the facioescapulohumerales region is significant in diagnosing shoulder injuries, nerve entrapments, and muscular conditions such as impingement syndromes or muscle tears. Its complex anatomy requires careful assessment during physical examinations and imaging studies for accurate diagnosis and treatment. Understanding this region's anatomy aids in various medical fields, including orthopedics, physical therapy, and neurology.

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