Why Light Weights Pack a Heavy Punch: The PowerBurn Method
There’s a common misconception that "strong" only looks one way: a heavy bar and a low rep count.
At Spotted Dog Yoga & SUP, we know that isn't the whole story. We love heavy lifting—it’s vital for bone density and raw power. But if you have the power without the mobility and endurance to back it up, you’re only using half of your potential.
Our PowerBurn method isn't about replacing your strength training; it’s about making that strength functional. When you see medicine balls lined up in the studio, don't think "light work." Think Precision, Endurance, and Grit.
The Science of High-Repetition Grit
Our PowerBurn method uses light resistance with a high volume of repetitions. Here is why this is the secret weapon for a high-performing, injury-resistant body:
Training Your "Endurance Engines": Heavy lifting focuses on "fast-twitch" power. PowerBurn targets your Type 1 "slow-twitch" fibers. These are your endurance engines. By training these, you build "staying power"—the ability to maintain high intensity during a long hike, a mountain bike ride, or a 90-minute flow without your form breaking down.
The Feedback Loop (Proprioception): A light medicine ball is a "feedback tool." When you move a lighter weight at higher speeds, it requires proprioception—your brain’s ability to sense exactly where your limbs are in space. It forces your deep stabilizer muscles and your core to fire up constantly to keep the ball on track. You’re essentially "tuning" your nervous system to be faster and more responsive.
Cardiovascular Volume vs. Joint Load: To get a true HIIT (High-Intensity Interval Training) benefit, you need to keep your heart rate in the red zone. By using lighter weights, we can keep the tempo high and the volume explosive. You get the metabolic "afterburn" and the cardiovascular win without the grinding wear-and-tear on your joints that can come from high-impact heavy loading.
The Functional Edge
The medicine ball is there to help you find your core, find your precision, and find your edge. It’s about taking the strength you already have and teaching it how to move with speed and control.
The Demo: Catch Katie leading our first-ever PowerBurn + Medicine Ball session this Saturday, 2/28 at 9:30 AM. Come experience the science of the burn for yourself. CLICK HERE TO FEEL THE BURN

