A cardio exercise targeting the cardiovascular system, performed with body weight.

Body part
CardioEquipment
Body Weight
Target muscles
Cardiovascular System
Secondary muscles
Core, 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 bring your right knee towards your chest, then quickly switch and bring your left knee towards your chest.
Continue alternating legs in a running motion, keeping your hips low and your core engaged.
Maintain a steady pace and breathe evenly 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 →