MSB Fitness

add years to your life and life to your years

Empty gym with workout equipment, dumbbells, weights, and exercise machines in a well-lit room.

The Merrimack Valley’s and Boston’s North Shore premier senior fitness specialist. Offering personalized coaching and science-based programs for adults 50+ to move and feel their best.

Master the art of aging well. Our group longevity classes prioritize the mobility, strength and balance you need to maintain an active lifestyle.

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Mobility

Mobility is the secret ingredient to a life without limits. As we age, it’s not just about how much we can lift, but how freely we can move through the world, whether that’s reaching for a high shelf, playing with grandkids, or enjoying a morning walk. By prioritizing mobility now, you aren’t just stretching your muscles, you are protecting your independence and ensuring your body can keep up with your sprit for years to come.

Modern gym with weights, benches, treadmills, and exercise equipment in a bright, spacious room.

Strength

Strength is your foundation for an active life. It is the “inner armor” that protects your joints, boosts your metabolism, and provides the power behind every movement. Building strength after 50 isn’t about heavy lifting or vanity; it’s about maintaining the muscle mass necessary to carry your own groceries, hike your favorite trails, and move with a sense of effortless power. When you invest in your strength, you aren’t just building muscle, you’re building the confidence to say “yes” to every adventure.

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Balance

Balance is the bridge between strength and freedom. It is the quiet confidence that allows you to navigate the world with grace, whether you’re stepping off a curb or walking on an uneven trail. As we age, balance becomes our greatest safeguard, providing the stability needed to prevent falls and keep us moving securely. By fine-tuning your coordination and core stability, you gain more than just physical steadiness. You gain the peace of mind to move through your day with total assurance and zero hesitation.

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Meet Your Coach, Teddy Ariot

I spent eighteen years in the health-care industry before realizing that my true passion lay in helping individuals transform their own lives. After my own journey of losing 25 pounds and building significant strength, I became a Certified Personal Trainer to share that newfound confidence with others.

Now, with eight experience training clients full-time, I specialize in working with the 50+ population, a community that deserves specialized , science-based attention. Whether you’re looking to quit old habits or build new strength, I combine my professional healthcare background with nearly a decade of coaching expertise to help you move, feel, and live better.

I’m ready to meet you exactly where you are. Let’s start building your foundation for a stronger, more active future together.

- Teddy Ariot, Certified Personal Trainer

Programs Tailored To Your Goals

Sustainable progress starts here. We move past the “quick fix” by combining evidence-based training with a holistic perspective on aging well. Our programs —ranging from personalized 1-on-1 coaching, supportive small group sessions, and corporate wellness workshops — are designed to make expert fitness accessible to everyone. Whether you are a brand new mover or a seasoned athlete, we meet you at you at your current fitness level to ensure safe lasting results.

1-on-1 Coaching

Individualized sessions focused on progressive overload, movement quality, and real-time form feedback to accelerate mobility, strength and balance gains.

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Group Training

There is a unique energy that comes from training alongside others who share your goals. Our small group sessions offer the perfect blend of personalized coaching and community support. These sessions ensure you never get lost in the crowd. You’ll receive the expert guidance on form and mobility you need to stay safe, while enjoying the motivation and camaraderie of a group that celebrates every victory together.

Yoga mat, water bottle, and rolled-up towel on wooden floor in sunlight with shadows.

Corporate Wellness Workshops

On-site or virtual seminars that blend movement, ergonomics, and stress management to boost workplace health and productivity.

A gym with large windows, exercise balls, weight racks, and weightlifting equipment, all in a minimalist and well-lit space.

88 Pounds Lost and a Life Reclaimed

“88 pounds lost, muscle gained, and total confidence rebuilt. Training with Teddy for three years has changed everything for me. As someone over the age 50, I was looking for more than a quick fix — I wanted a sustainable way to stay active. I’ve gone from being unsure in the gym to thriving in the gym, Bikram yoga, Pilates, and on the hiking trails. Teddy doesn’t just give you a workout, he gives you the tools to live a bigger, better life.”

— Jenny F. | Dedicated Client since 2022