You can do this protocol using dumbbells, a barbell, or on a seated row machine. The isometric is held at the full contraction because it forces you to focus at the top of the row – the part of the exercise where most people cheat.
Also, if you're using free weights you can vary your torso lean from a 45-degree angle to parallel to the floor, thereby hitting your muscles a bit differently.
Thibs is on a mission. The angry Canadian wants to see the incidence of training stupidity decrease. Are you a "kitchen sink" trainer or coach? Have you misinterpreted the concept of overtraining? If so, duck!