When you don't have much time to exercise, use my favorite strength and cardio workout

A woman exercises in an apartment setting. She performs the squat exercise, holding her hands together in front of her. There is a blue couch to the right of her.

Resistance training is one of the best ways to future-proof your body against the effects of aging, in part by building stronger bones. You may be surprised to learn that you don't need a gym's weights machines or even home weights to resistance train—most of us can get the benefits using just your bodyweight.

There is one thing you need though—time. As a personal trainer working with busy clients, I've seen firsthand how challenging it can be to fit in training. That's why I advocate hybrid workouts that combine strength and cardio.