A upper legs exercise targeting the hamstrings.

For this movement a wooden floor or similar is needed. Lay on your back with your legs extended. Place a gym towel or a light weight underneath your heel. This will be your starting position.
Begin the movement by flexing the knee, keeping your other leg straight.
Continue bringing the heel closer to you, sliding it on the floor.
At full knee flexion, reverse the movement to return to the starting position.
Primary (target)
Secondary
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 →