Looking to level up your home gym? A vertical climber could be your next fitness essential. These machines simulate a rock-climbing motion, engaging all major muscle groups for a full-body workout.

Rock climbing is a total-body workout that engages multiple muscle groups and helps to build strength, endurance, and flexibility. When you climb, you use your arms, legs, core, and back muscles to ...

OK, what is a calorie, anyway? It’s a unit of energy, defined as the amount of energy needed to raise the temperature of 1 liter of water by 1 degree Celsius. (This is your common “food calorie”: ...