The trapezius muscle is a fascinating and versatile muscle located on the posterior aspect of the neck and thorax. Let’s explore its anatomy and functions:
Descending (Superior) Fibers: Attach to the lateral third of the clavicle.
Transverse (Middle) Fibers: Insert into the medial acromial margin and the superior crest of the spine of the scapula.
Trapezius muscle function :
- Supports shoulder movements.
- Stabilizes and moves the scapula.
- Plays a role in maintaining posture.
- Aids in head balance by controlling the cervical spine.
- Maintains scapulohumeral rhythm through attachments on the clavicle and scapula.
- In summary, the trapezius muscle is not only a key player in shoulder function but also contributes significantly to overall posture and movement.
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