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No gym needed — trainer reveals this 10-minute dumbbell workout instead to build more sculpted, defined arms

By Jessica Downey

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No gym needed — trainer reveals this 10-minute dumbbell workout instead to build more sculpted, defined arms

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No gym needed — trainer reveals this 10-minute dumbbell workout instead to build more sculpted, defined arms

Jessica Downey

19 September 2025

Build strength and definition in your upper body in just 10 minutes

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If the thought of spending a whole hour in the gym hopping from machine to machine to sculpt your arms doesn’t sound appealing today, don’t worry. You can still get a seriously effective arm workout in just 10 minutes.

The very fabulous Sarah DiGiovanni, one of the newer trainers at ALO Wellness Club, has shared a quick routine that will strengthen and sculpt your arms using nothing more than a pair of dumbbells. She suggests grabbing either 3 or 5 pounds to start.
DiGiovanni is one of the more forgiving trainers out there and says it’s absolutely fine to drop to the lighter weight halfway through if you’ve got both on hand.

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Ditch the gym — this 5-move dumbbell workout sculpts stronger abs and arms in just 15 minutes

I tried this ‘tiny weights big burn’ 30-minute workout to sculpt strong arms — and I’m hooked

I’m a personal trainer — sculpt lean upper arms with just 5 moves and a set of dumbbells

If you’re doing this one at the gym, chances are you’ll be able to snag both sets easily. If you’re planning to sweat it out at home, owning a pair of adjustable dumbbells is a game-changer. Take a look at our guide to the best adjustable dumbbells if you want the flexibility without cluttering your living room with a full rack.

Watch trainer Sarah DiGiovanni’s 10-Minute Dumbbell Arm Workout
If you’re up for this short upper-body pump, I recommend following along with DiGiovanni in the video below. She guides you through the entire workout, offering useful prompts to help you get the most out of each move and showing how to modify exercises so everyone can make it to the finish.
Prefer to watch first and give it a go later? I’ve also included a full breakdown of the routine below so you can save it to your notes and come back to it when you’re ready.

Kneeling Overhead press – 10 reps
Renegade row – 10 each side
Front and lateral raise – 10 reps
Curl to overhead press – 10 reps
Kneeling tricep kickbacks – 10 reps each side
Do two rounds
What are the benefits of this workout?
When you’re picking up weights, it helps to know you are in safe hands. That’s why following along with trainer Sarah DiGiovanni is such a win. She talks you through each move in this routine, showing how to do them properly so you aren’t left second-guessing your form. With her prompts, it feels like you have a coach right in your living room keeping you on track.

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This workout only calls for a pair of light dumbbells but don’t underestimate them. Even smaller weights can fire up your muscles when you’re working through controlled, higher-rep movements. The focus here is on building strength and definition without loading your joints with heavy plates. You will quickly find that it is the time under tension that counts, and by the end of two rounds your arms and shoulders will be feeling it.
Also, what makes this routine clever is how beginner-friendly it is. If you’re new to strength training or getting back into it after some time away, this is a manageable place to start. You get to learn the foundations, practice the movement patterns, and build a good base level of strength.
Once that foundation is in place, you can begin to challenge yourself with heavier weights. Then, if building muscle mass is one of your long-term goals, this type of workout sets the groundwork for hypertrophy by teaching you how to move well first.
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Jessica Downey

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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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Ditch the gym — this 5-move dumbbell workout sculpts stronger abs and arms in just 15 minutes

I tried this ‘tiny weights big burn’ 30-minute workout to sculpt strong arms — and I’m hooked

I’m a personal trainer — sculpt lean upper arms with just 5 moves and a set of dumbbells

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Not running or cycling — this 10-minute dumbbell workout builds strength and cardiovascular endurance

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