Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for ...

Workouts that improve your jump are great for stability, strength, and cardio, personal trainer Chrissy Signore said. To jump higher, you need to first build a strong lower body, she said. Signore ...

Traveling Dumbbell Swing Hold a dumbbell by its head at your hips. Swing it down through your legs. Now drive your hips forward and swing the weight up. Step both feet to the left and assume a ...

For this workout, you’ll need a pair of adjustable dumbbells or a dumbbell set and enough room to drop down into a burpee or swing a weight around. HIIT workouts tend to be short, and this home ...