Essentials: Increase Strength & Endurance with Cooling Protocols | Dr. Craig Heller

What It Covers

Dr. Craig Heller explains how strategic cooling of palms, soles, and face during exercise can double endurance and triple strength performance by preventing muscle overheating and metabolic shutdown.

Key Questions Answered

• •Muscle failure mechanism: Anaerobic exercise increases muscle heat production 50-60 fold, but blood flow cannot match this rate. When muscle temperature exceeds 39-39.5°C, a temperature-sensitive enzyme shuts off fuel supply to mitochondria, causing immediate failure.
• •Cooling protocol for strength: Three-minute palm cooling between sets using specialized devices or cool (not ice-cold) objects prevents vasoconstriction. Professional athlete Greg Clark tripled his dip performance from 100 to 300 repetitions over four weeks using this method.
• •Glabrous skin portals: Palms, soles, and upper face contain special arteriovenous anastomoses that bypass capillaries, allowing rapid heat exchange. These surfaces cool the body twice as fast as traditional methods like ice packs on armpits, groin, or neck.
• •Pre-exercise cooling strategy: Taking a cool shower before aerobic activity increases body heat capacity, delaying sweat point and performance decline. Avoid gripping handlebars or equipment tightly during cycling, as this restricts blood flow through palm portals and traps heat.