THE FITNESS SF BLOG

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Maria Stevens, MD - Director of Fitness & Education

Dr. Stevens has been a Certified Personal Trainer through the American Council on Exercise since 2007 and has pursued additional training in corrective exercise, yoga, medical fitness, and metabolic health. Her work reflects a long-standing interest in plant-based nutrition, therapeutic stretching, and hands-on approaches to movement and recovery. She has a background in elite endurance sports and mixed martial arts, and has spent many years training and coaching across a wide range of athletic and clinical settings.

Knee Arthritis Isn’t a Stop Sign — It’s a Reason to Keep Moving

One of the most common frustrations I hear from people who want to be more physically active is arthritis.

Knees that ache on stairs. Hips that feel stiff after sitting. Joints that seem to protest every time you try to do “the right thing” for your health. It’s understandable why so many people conclude that movement is the problem—and that rest is the solution.

But when we zoom out and look at the actual evidence, the story changes. 

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The Most Time-Efficient Workout You’re Probably Not Doing

We don’t have a knowledge problem—we have an execution problem. Despite decades of research showing that exercise reduces the risk of conditions like cardiovascular disease, diabetes, obesity, and even depression, a massive portion of the population still doesn’t meet basic activity guidelines. One of the most commonly cited reasons is a lack of time. This is exactly where HIIT changes the game, as outlined in a 2021 review article by Atakan, et al.

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Physical Activity Is Preventive Medicine — But Access Still Matters

Every May, during National Physical Fitness and Sports Month, there is renewed public conversation about exercise, health, and longevity. That conversation matters, because the United States continues to face rising rates of obesity, metabolic disease, chronic pain, cardiovascular disease, depression, and loss of functional independence. Yet despite overwhelming evidence supporting physical activity as one of the most effective forms of preventive healthcare ever studied, structured exercise remains financially and logistically inaccessible for many Americans.

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