Trapezius and latissimus dorsi muscles origin, insertion, nerve supply and action?
What is triangle of auscultation and lumbar triangle of Petit?
Levator scapulae, rhomboidus major and rhomboidus minor muscles.
POSTERIOR AXIOAPPENDICULAR MUSCLES ?
What is the action of trapezius?
What is the action of latissimus dorsi?
muscles of back : anatomy

Source of images and videos:
COMPLETE ANATOMY, www.3d4medical.com

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