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This 20-minute full-body dumbbell workout is designed to build lean muscle and boost power

Man doing a squat with two dumbbells
(Image credit: Getty Images)

It's good to keep your strength training varied and set aside different days to focus on different things, such as breaking your sessions up by muscle group or programming your workouts around push, pull and lower-body movements.

The average Joe doesn't always have time for all of that, or maybe you're new to strength training and just need somewhere simple to start. A full-body workout is an easy solution.

This is a great routine to use at the gym if it’s busy and you need something with minimal equipment, and which lets you stay in one spot. Or if you have a pair of the best adjustable dumbbells at home, you can hit this full-body circuit without leaving your living room.

What is the workout?

Some of the exercises are unilateral, meaning you’ll need to complete the assigned reps on both sides. Keep this in mind when doing the workout. The exercises and reps are listed below, and if you want to check Williams’ form, you can watch a video of her performing each move further down.

  • Hack squat: 10 -12 reps
  • Single arm row: 8-10 reps per side
  • Bulgarian split squat: 8-10 reps per side
  • Shoulder press: 10-12 reps (do on the floor if you don't have access to a bench)
  • Complete three rounds of all the exercises with 30-60 seconds between each exercise.

What are the benefits of unilateral exercises?

Unilateral exercises, which require you to work one side of your body at a time, may feel a little tedious to some or tempt you to cut the reps in half. But they are a highly valuable addition to any workout.

For one, they help correct muscle imbalances that can develop naturally over time or from playing a sport where one side of your body dominates. Strengthening each side individually makes sure that both sides are pulling their weight and reduces the risk of overuse injuries.

They also challenge your stability and coordination. When one side is working alone, your core and smaller stabilizing muscles engage more to keep you balanced. This translates into better control over your movements, improves posture and strengthens the muscles that prevent wobbling or tipping during more complex exercises.

Finally, unilateral exercises are excellent for balance. When you train each side separately, you become more aware of your body’s alignment and weight distribution. Over time, this can level up your balance in daily tasks, exercise performance and keep your body more robust with age.

What about bilateral exercises?

a photo of a woman doing a shoulder press with dumbbells

(Image credit: Shutterstock)

This workout may be short and sweet, but it packs in a nice balance of unilateral and bilateral exercises. Bilateral moves have their own perks that pair perfectly with the full-body focus here. First, they hit multiple major muscle groups at once, so you are challenging your body and actually feeling like you are getting somewhere fast, which is perfect if you like results without spending half the day in the gym.

Second, they save time and keep the flow going. Working both sides together means fewer pauses and more time spent actually lifting and sweating.

Finally, this lets you lift heavier and push yourself more. With both sides sharing the load, your muscles can generate more force together, making challenging lifts feel more manageable, and it feels pretty satisfying when you hit that extra weight.

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Jessica Downey
Senior Fitness Writer

Jessica has been a fitness writer at Tom’s Guide since 2023, bringing three years of experience writing about health, fitness, and the great outdoors. Her passion for exercise began during her childhood, where she spent weekends hiking and competing in local athletics club events. After earning a master’s degree in journalism from Cardiff University, Jessica found the perfect way to combine her love of storytelling and fitness into a career.

Jessica is passionate about testing fitness gear and tech, using her reviews to help readers make informed buying decisions. She ran her first marathon in April 2024, finishing it in 3 hours and 48 minutes. Through her training, she’s developed a deep understanding of what it takes to grow as a runner, from effective workouts and recovery techniques to selecting the right gear for every challenge.

When she’s not at her desk, Jessica enjoys spending time in the kitchen crafting new recipes, braving cold water swims and hiking.

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