1. Set the cable pulley at chest height and attach a single handle. 2. Kneel facing the cable machine with one knee down and the opposite foot forward. 3. Grab the handle with the working hand and keep your back straight and core engaged. 4. Pull the handle toward your torso, leading with your elbow and squeezing your shoulder blades together. 5. Pause at the top for a strong contraction. 6. Slowly return the handle to the starting position under control. 7. Repeat for reps, then switch sides.
Log your cable one arm straight back high row (kneeling) sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.