Ask any basketball player what they want to improve—often, you'll hear “my vertical.” To get more up in your jump, you must be able to apply more force into the ground in a shorter amount of time.

Stop wasting time on crunches and start training your core to resist movement for maximum power and injury prevention.

Men’s Fitness aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Ask any basketball player what they want to improve—often, ...