A method used by first responders involving inhaling, holding, exhaling, and holding again for four seconds each. This triggers nerve fibers in the chest to signal the brain to "chill out".
In the series premiere of the National Geographic docuseries , titled " Stress-Proof ," Hemsworth explores how to manage the physical and mental ravages of stress to improve longevity. Guided by psychologist Dr. Modupe Akinola, the episode features extreme challenges designed to trigger a "fight-or-flight" response, followed by techniques to regain control. Key Stress-Management Techniques [S1E1] Stress-Proof
Wearing a biometric shirt, he practices a "walk of doom" on a crane just inches off the ground to monitor his heart and respiratory spikes. A method used by first responders involving inhaling,
Hemsworth's hands and feet are bound while he is shoved into a pool. He must perform underwater exercises while managing his panic and breath. Guided by psychologist Dr
Reframing negative thoughts (e.g., "I can't do this") into positive affirmations to reverse the body's automatic stress response.
Hemsworth undergoes three primary "stress tests" to practice these techniques:
He attempts to extinguish a fire and rescue casualties at a training academy while managing limited air supply.