I sit at a desk all day, and this is the 1 kettlebell exercise I swear by to boost my upper body mobility and build shoulder strength

a woman holding a kettlebell over her shoulder
(Image credit: Shutterstock)

I remember leaning against the wall of my old gym at the end of a long work week, moaning to a PT about how tight and uncomfortable my shoulders felt after hours at my desk. She nodded knowingly, as many of her clients who work desk jobs complain of the same thing, and recommended one simple kettlebell exercise I had to try: the kettlebell halo. I took her advice and have been doing it ever since.

For this exercise, I use the Bowflex adjustable kettlebell, one of the best kettlebells on the market if you want to train with weight without needing a full set of kettlebells. It lets you quickly adjust the weight depending on whether you're focusing on mobility with lighter rotations or adding a bit of strength work with a heavier load.

Bowflex SelectTech 840 Adjustable Kettlebell
Bowflex SelectTech 840 Adjustable Kettlebell: $149 at Amazon

The Bowflex SelectTech 840 is an adjustable kettlebell that goes from 8 to 40 pounds, letting you change the weight easily with a dial. You can also connect it to the JRNY app for guided workouts and training programs.

How to do kettlebell halos

To begin with use a very light kettlebell you can comfortably hold above your head and move in a controlled circle without straining your shoulders.

  • Hold the kettlebell upside down by the sides of the handle close to your chest.
  • Keep your core engaged and elbows slightly tucked.
  • Slowly rotate the kettlebell in a circle around your head, moving clockwise for six to eight reps.
  • Switch directions and perform the same number of counterclockwise rotations.

The kettlebell halo really is a simple move with big benefits. It helps your shoulders move more freely by gently taking the joint through a full range of motion. At the same time, it strengthens the small stabilizing muscles around your shoulders, which are essential for keeping them healthy and pain-free. I love that it also works your upper back, traps, triceps, and core, so even a few minutes feels like a mini upper-body workout.

When I'm consistent with this move, I can feel my shoulders loosen up and notice it’s easier to maintain good posture at my desk. Sitting upright for long stretches feels more comfortable, and I’m less likely to slump or hunch by mid-afternoon. It also makes simple daily tasks, like reaching for items on a shelf or carrying a laptop bag, feel easier on my shoulders.

a photo of a woman with strong shoulders

(Image credit: Getty Images)

As it’s a low-impact move, halos are also perfect for warming up the upper body before a larger strength session or as an easy recovery exercise. Doing a few controlled rotations before a press, a row, or even a casual household task helps prevent tension from building up throughout the day.

What I especially like about the kettlebell halo is that it’s not about heavy lifting or building a certain physique. I use it purely to support my upper body strength and shoulder mobility, rather than chasing aesthetics. That means I don’t worry about gradually increasing the weight or lifting heavier each week. The focus is on control, range of motion, and keeping my shoulders healthy, which makes it low-pressure and easy to fit into my daily routine.

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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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