If you dabble in at-home workouts, you've probably already got some basic gear. (If not, start with these top-rated dumbbells and trainer-approved resistance bands.) But if you're getting serious ...

Box jumps: Pick a stable surface that you can jump onto and land safely (use a step, bench in the gym, low wall outside, etc). Start in a squat and jump from both feet to land on both feet in a squat ...

If strength training is not already part of your workout routine, it can be difficult to know how to start incorporating it. The side of the gym with people lifting weights can seem a lot more ...