Core training is not just about developing six-pack abs. Your core muscles also include your hips, pelvis and lower back. Some research suggests that if your core muscles are weak, you're more likely to injure yourself.
Jumping rope is not just child’s play. Many athletes, including boxers, train with a jump rope, and it can be a great way for casual exercisers to stay in shape. All it requires is a good pair of shoes and a simple, inexpensive piece of equipment.