The exercise known as 'mountain climbers' has become a cornerstone in ... Then, with an explosive movement, switch legs. This ...

Mountain Climber This exercise mimics the motion climbers make as they ascend steep peaks, except it’s done on a flat surface. This is a total body workout, building strength in your core ...

The plank hold is a basic exercise that engages the whole core. To do a plank, lie face down with your forearms and toes placed on the ground. Keep your body straight from head to heels, tensing your ...

My clients aren’t exactly begging to do mountain climbers — they are super tough! But they're hard for a reason. The exercise gives you a lot of bang for your buck, torching calories and ...