11 Muscle-Building Workouts For the Next Time You Aren't Sure What to Do at the Gym

This workout is perfect for anyone new to lifting weights or someone who wants to get back into the groove of things. It will work your entire body and leave you feeling super strong.

The Workout: 30-Minute Strength Workout For Beginners

If your goal is to lower your body-fat percentage and build muscle, this high-intensity workout is a good place to start.

The workout: Total-Body Fat-Burning HIIT Workout

Get a bigger butt and a stronger lower body with this trainer's intense sculpting workout. You'll be doing everything from walking on the treadmill at an incline to sled sprints.

The Workout: Booty-Sculpting Workout

Get the arms of your dreams with this trainer's five-move upper-body workout. Your triceps, biceps, and back are going to be on fire.

The Workout: Upper-Body Workout to Build Muscle

Don't let a time crunch prevent you from working out. This workout is great for those busy days and will leave you sore in all the right places.

The workout: 30-Minute Full-Body Strengthening Circuit Workout

Get in a quick CrossFit workout with this full-body workout that takes 15 minutes to do. This workout is suitable for all levels.

The workout: 15-Minute CrossFit Workout

Strengthen your lower body and abs with this quick and effective workout. All you'll need is a set of medium-weight dumbbells to get started.

The Workout:10-Minute Legs and Core

Strength training will increase your bone mass, lean muscle mass, cardiovascular fitness, and overall well-being. Get stronger arms, legs, and abs with this trainer's full-body workout.

The workout: 45-Minute Full-Body Strengthening Workout

Improve your strength and sculpt your lower-body muscles with this intense workout. You're going to feel this one in your glutes and legs specifically.

The workout: Lower-Body Strengthening and Sculpting Workout