8💪Gym
Cool Workouts
⚡
Action Protocol
Train in <20°C environments and utilize active cooling (palms, forehead, and cold water ingestion).
Evidence Gallery
In Depth Protocol
- The "Civil War" Effect: Heat creates a physiological conflict; your body must choose between pumping blood to muscles (for power and contraction) or to the skin (for cooling and thermoregulation).
- Per-Cooling (During): Active cooling during rest intervals is a high-ROI performance multiplier:
- Cooling Vests: Show a massive ~12% performance boost.
- Fanning + Water Spray: Provides a ~8% boost in output.
- Pre-Cooling (Before): Lowering your core temperature immediately before training yields significant benefits:
- Cold Water Immersion: Yields the highest benefit (~7%).
- Ice Slushie Ingestion: Provides a ~4% performance increase.
✅ Pros
- Power Preservation: Prevents the ~50W drop in power output seen in hot conditions
- Performance Boost: Mid-workout cooling (AC/fanning) can improve output by ~8-12%
- Cardiac Efficiency: Maintains Stroke Volume (blood per beat), preventing heart rate spikes.
⚠️ Cons
- Muscular Stiffness: Cold muscles are less elastic - do a proper warm up
- Cost: Ideally AC and a fan will do, but if you want to go all in, consider active cooling