A back exercise targeting the spine, performed with weighted.

Position yourself face down on a stability ball with your hips resting on the ball and your feet against a wall for stability.
Place your hands behind your head or cross them over your chest.
Engage your core and slowly lift your upper body off the ball, extending your back until your body forms a straight line.
Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
Repeat for the desired number of repetitions.
Primary (target)
Secondary
back extension on exercise ball
band straight leg deadlift
exercise ball back extension with arms extended
exercise ball back extension with hands behind head
exercise ball back extension with knees off ground
exercise ball back extension with rotation
Log your sets and the app does the rest — automatic PR detection, progression charts for every lift, and progressive overload that adjusts your next workout. Paired with AI nutrition coaching so your training and your plate pull in the same direction.
Planning your next heavy session? Estimate your max with the One Rep Max Calculator and build up to it with the Warm-up Calculator. More free tools →