The trapezius muscle mass (or traps) are among the larger muscles of the back. The center and lessen traps originate and insert along the C7-T12 vertebrae to the lateral 3rd from the clavicle, the acromion process, and also the backbone of the scapula. (Based on your hip mobility and hamstring https://back-exercises-with-dumbb91111.blogdigy.com/dumbbell-set-and-rack-an-overview-49602396