4 TGU @ weight 1 (2L, 2R, light)
4 TGU @ weight 2 (2L, 2R, medium)
Then, sets of 2 (1L, 1R) until max weight is reached.
5 minutes rest, then:
10 minutes TGU @ weight 1.
Complete as many reps as possible with meticulous form and full control of the weight. Spend as little time as possible on your back during each rep.