Dr Biju K S, Medical Director
Medical Director, Luxfit
Contrast therapy has been used in sports medicine for decades, yet it remains poorly understood by most gym-goers. The principle is simple: alternating heat and cold exposure creates a powerful vascular pumping effect — blood vessels dilate in the heat and constrict in the cold, flushing metabolic waste from muscles and reducing inflammation.
The Vascular Pump Effect
When you move from a hot sauna into an ice bath, your body undergoes a rapid physiological shift. Blood that had been pushed to the periphery during heat exposure is driven back to the core during cold immersion. This shuttling of blood — sometimes called the vascular pump — is highly effective at clearing lactate, inflammatory cytokines, and other metabolic byproducts from muscle tissue.
Recommended Protocol
For recovery purposes, the evidence generally supports starting with heat. Begin with 10–15 minutes in the sauna to elevate core temperature, open capillaries, and relax muscle tissue. Follow with 2–4 minutes of cold exposure (ice bath or cold shower). Repeat this cycle 2–3 times, ending with cold if your goal is inflammation reduction, or heat if your goal is relaxation and sleep preparation.
What to Expect
First-timers often find the cold immersion daunting. The key is controlled breathing — slow, nasal exhales in the first 30 seconds prevent the panic response and allow the nervous system to adapt. After the initial shock subsides, most members report a profound sense of calm and mental clarity that lasts for hours.
At Luxfit's Recovery Lab
Our Recovery Lab is purpose-built for contrast therapy — hot sauna, Jacuzzi, and ice bath are positioned in close proximity so transitions are immediate and the vascular response is maximised. Our staff can guide first-time users through a protocol calibrated to their experience level and training goals.
