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

Body part
WaistEquipment
Body Weight
Target muscles
Abs
Secondary muscles
Glutes, Quadriceps, Hamstrings, Shoulders, Triceps
Start in a high plank position with your hands directly under your shoulders and your body in a straight line.
Engage your core and lift your right foot off the ground, bringing your right knee towards your left elbow.
Return your right foot to the starting position and repeat the movement with your left foot towards your right elbow.
Continue alternating sides, moving at a controlled pace.
Keep your hips level and avoid lifting your hips too high or sagging them too low.
Maintain a steady breathing pattern throughout the exercise.
Repeat for the desired number of repetitions.
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 →