Why Kontrast is building recovery intelligence around the individual.
Body composition can influence temperature responses during and after cold-water immersion. In a study of 20 men, thermal responses and performance recovery differed between groups with different body-fat levels. This supports considering the individual when studying recovery protocols.
Stephens et al. · International Journal of Sports Physiology and PerformanceResearch measuring skin and muscle temperatures has examined how body composition and thigh measurements relate to tissue cooling and rewarming. Skin temperature and deeper tissue temperature are distinct measurements; a skin sensor cannot be assumed to measure muscle temperature.
Predictive Ability of Body Fat Percentage and Thigh Anthropometrics on Tissue Cooling During Cold-Water ImmersionIn a 12-week study of 21 physically active men, regular cold-water immersion immediately after resistance training was associated with smaller gains in muscle mass and strength than active recovery.
This does not establish a universal time limit, show that every cold plunge reduces gains, or mean cold exposure is always inappropriate. Timing, training goals and the protocol matter.
Roberts et al. · The Journal of Physiology, 2015These are independent studies of thermal response and recovery interventions, not trials of Kontrast. Kontrast’s sensor, baseline methods and guidance remain and require validation. Temperature alone does not establish tissue healing, safe exposure limits or readiness to return to play.
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