The seated cable row targets the back muscles in particular the latissimus dorsi (lats) as well as the upper arm muscles - the biceps and triceps.
First, select an appropriate weight for you. Put your feet onto the pad, keeping your knees bent.
Grab the handles, pull all the way back to your torso keeping your elbows tucked in whilst keeping a neutral spine - squeezing your shoulders back. Slowly move back to the starting position keeping your arms unlocked and repeat.