
The jumping jack is a cardio exercise where you jump while spreading your arms and legs.
Stand with feet together, arms by your sides.
Jump while spreading your feet and raising your arms overhead, then jump again to return to feet together, arms by your sides.
Stay on the balls of your feet with soft knees.
Image and text: Bryl Lim / Everkinetic — recoloré et rastérisé — CC BY-SA 4.0, via Workout Guide. Original entry