2. Mountain Climbers. The mountain climber is a calorie-burning workout that really gets your heart rate going. It also targets your core, making it the perfect exercise to lose that stubborn belly fat and reveal your abs.
2. Mountain Climbers. The mountain climber is a calorie-burning workout that really gets your heart rate going. It also targets your core, making it the perfect exercise to lose that stubborn belly fat and reveal your abs.