If you want to focus more on building muscle than simply burning calories through cardio, but you have no idea where to start, you've come to the right place. Strength training encompasses a wide variety of workouts — from Pilates to HIIT — that you can do with or without equipment [1], like dumbbells or kettlebells. Fortunately, there are a ton of workouts on YouTube, dedicated to full-body toning or strengthening specific muscle groups [2], that you can do right from the comfort of your home. To help get you started, we've rounded up some of the best 30-minute strength workouts you'll find on the platform. Grab a set of weights, your yoga mat, or ditch the equipment altogether [3], and get to work.