Lying rear delt Y

The lying rear delt Y works the shoulders, specifically the rear heads, as well as the lower trapezius muscles. At the top of the motion, the arms and torso form a Y—hence the name. Shoulder Y variations are usually performed with light weights as a warm-up or prehab movement for upper-body training, or as a burnout on shoulder day.


  1. Strengthens important postural muscles in the shoulders and upper back
  2. Promotes balanced shoulder development
  3. Hits the often-neglected lower trapezius muscle
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Lying rear delt Y Images


Lying rear delt Y Instructions

Lying rear delt Y muscle diagram