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

If you spend more time trying to figure out what to do at the gym than actually working out, we've got a simple fix. Follow along with one of the dumbbell workouts ahead to help you build muscle and improve your strength. If you're in the mood for arms, we've got you covered. Same goes for legs, booty sculpting, core, and total-body blasts.

Grab some dumbbells, and get ready to work.

01
Strength Workout to Build Muscle and Improve Stability
Morit Summers

Strength Workout to Build Muscle and Improve Stability

Improve your strength, endurance, and power with this trainer's five-move workout. All you need is a medium/heavy kettlebell or dumbbell to get started.

The Workout: Strength and Stability Workout For Muscle

02
A 30-Minute Strength Workout For Beginners
POPSUGAR Photography | Kathryna Hancock

A 30-Minute Strength Workout For Beginners

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

03
Total-Body Fat-Burning HIIT Workout
Getty | vitapix

Total-Body Fat-Burning HIIT Workout

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

04
Booty-Sculpting Workout
Getty | alvarez

Booty-Sculpting 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

05
Upper-Body Workout to Build Muscle
Unsplash | Alora Griffiths

Upper-Body Workout to Build Muscle

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

06
30-Minute Full-Body Strengthening Circuit Workout
Getty | PeopleImages

30-Minute Full-Body Strengthening Circuit Workout

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

08
10-Minute Legs and Core Workout
POPSUGAR Photography | Kyle Hartman

10-Minute Legs and Core 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

09
45-Minute Full-Body Strengthening Workout
Getty | pixdeluxe

45-Minute Full-Body Strengthening Workout

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

10
Fat-Burning Upper-Body Dumbbell Workout
Burst | Nicole De Khors

Fat-Burning Upper-Body Dumbbell Workout

Get ready to build lean muscle with this effective 45-minute workout.

The Workout: Fat-Burning Upper-Body Dumbbell Workout

11
Lower-Body Strengthening and Sculpting Workout
Unsplash | Justyn Warner

Lower-Body Strengthening and Sculpting 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