A waist exercise targeting the abdominals, performed with body weight.

Lie on your stomach with your arms out to your sides. This will be your starting position.
Using your lower back muscles, extend your spine lifting your chest off of the ground. Do not use your arms to push yourself up. Keep your head up during the movement. Repeat for 10-20 repetitions.
Primary (target)
Secondary
Log your sets and the app does the rest β 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 β