BYT

Isolation · Cable · Learn first

Cable rear-delt fly

Face the cables, set at shoulder height. Cross the handles so each hand holds the opposite cable, arms nearly straight.

Cable rear-delt fly
  1. 1Sweep the hands out and back until they are in line with the shoulders.
  2. 2Keep the ribs down so the low back doesn't arch.
  3. 3Return slowly until the chest opens again.

Easy to miss: Pulling with the biceps and turning it into a row.

Muscles

Copper on the figure is a prime mover. The softer tone helps.