Most clinicians and coaches still misunderstand what actually drives muscle growth. They chase metabolic stress, fear loading in rehab, or rely on outdated hypertrophy models — and their patients and athletes plateau because of it. If you don’t understand mechanical tension, you’re guessing.

Dr. Nicholas Rolnick is a Doctor of Physical Therapy, strength specialist, blood flow restriction (BFR) researcher, and CEO of Sport Gripz. He’s spent over a decade helping legitimize BFR in rehab and performance — and in this episode, he breaks down what truly drives hypertrophy, how BFR actually works, and why most clinicians are afraid to load.

In This Episode, You'll Learn

• Why mechanical tension — not metabolic stress — is the primary driver of muscle growth
• What most people misunderstand about blood flow restriction  ...