Marcus Voss

Marcus Voss

Boulder, CO

A former systems architect turned strength coach who approaches fitness like an engineering problem. After a disc herniation forced him to rebuild, Marcus now helps middle-aged professionals stay strong and functional for the long haul—no hype, just data and mechanics.

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Latest from Marcus

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How to Build a 10-Minute Morning Mobility Routine After 40

How to Build a 10-Minute Morning Mobility Routine After 40

Learn how to create a simple, sustainable morning mobility routine that reduces stiffness, prevents injury, and keeps you moving well through your 40s and beyond.

April 14, 2026

The FitForty Guide to Active Recovery and Daily Mobility

The FitForty Guide to Active Recovery and Daily Mobility

Discover how active recovery and simple mobility drills can reduce stiffness, prevent injuries, and keep you performing at your best after forty.

April 13, 2026

Building Muscle After 40: Your Complete Guide to Strength That Lasts

Building Muscle After 40: Your Complete Guide to Strength That Lasts

Discover how to build and maintain muscle after 40 with proven strength training strategies. Learn the best exercises, recovery tips, and nutrition advice to stay strong, prevent injury, and age with power and confide...

April 12, 2026

Why Your Feet Are the Missing Link in Your Strength Training

Why Your Feet Are the Missing Link in Your Strength Training

Strong feet and mobile ankles are the foundation of every lift, step, and movement you make. Here's how to assess your foot function, fix common dysfunctions, and build resilient foundations that support you for decades.

April 11, 2026

The Truth About Muscle Hypertrophy and Aging

The Truth About Muscle Hypertrophy and Aging

Forget the idea that muscle loss is inevitable. Learn why precision-based resistance training and protein optimization are the real keys to maintaining strength and metabolic health after 40.

April 11, 2026

The 5-Minute Mobility Routine That Changes Everything After 40

The 5-Minute Mobility Routine That Changes Everything After 40

As we age, stiffness creeps in and injuries take longer to heal. This simple 5-minute daily mobility routine targets the hips, shoulders, and spine to keep you moving freely and performing at your best.

April 11, 2026