
The mountain climber targets core stability and cardio in a plank position.
In a plank, arms straight, hands under shoulders, body aligned.
Bring one knee toward your chest, then the other, alternating quickly as if running in place.
Your hips stay at shoulder height: do not let them rise.
Image and text: Bryl Lim / Everkinetic — recoloré et rastérisé — CC BY-SA 4.0, via Workout Guide. Original entry