Cable-Seated Rows

Is the back supposed to be completely straight and stationary for a cable-seated row?

I’ve seen guys in the gym thrust their bodies to gain momentum. I know that I pulled 140 lbs with the thrust, however I pulled 120 lbs when stationary.

The cable row isn’t a lower back exercise, so don’t use the lower back to pull (don’t “thrust”). Using stricter form will lower the weights that you use, and while this sounds like a bad thing, its not. Lower weights with good form is better than high weights that injure you. It will also isolate the target muscle better than poor form.

[quote]SpadeK wrote:
Is the back supposed to be completely straight and stationary for a cable-seated row?

I’ve seen guys in the gym thrust their bodies to gain momentum. I know that I pulled 140 lbs with the thrust, however I pulled 120 lbs when stationary.[/quote]

The low back should stay stationary. There will be some movement in the upper back however, in order to get a full stretch and contraction of the lats and upper back muscles.