What Is ISO Certification? | Benefits, Types & Why Your Business Needs It

Gym Science Explained on Instagram: "CBum’s “Iso-Hold” technique isn’t just a fancy name; it’s a brutal way to maximize time under tension. He’s doing reps followed by an immediate isometric hold at the peak contraction, then dropping reps and hold time. This approach specifically targets that shortened range, forcing extreme muscle engagement where most people slack. Forget just grinding out reps. This is about purposeful, agonizing contraction, squeezing every last bit of potential from your m