*secure cable arms at the top and wide apart
*keep posture neutral throughout
*at the same time, pulldown and lunge back
*step back so that your knees bend at 90 degrees
*breathe out as you pull down
*pull your elbows down to your sides while keeping your arms in line with the direction of the cables
*keep your wrists straight always
*do about 10-20 alternating reps.