Contrast therapy is a clinical hydrotherapy treatment alternating controlled exposure to heat and cold to stimulate blood flow. In summer, this practice reduces systemic inflammation, relieves heavy legs, and accelerates muscle recovery after physical activity, promoting a deep sense of renewed energy.

/// BLOG - 19 08 2026
Why do experts recommend contrast therapy for summer muscle recovery?
The physiology of summer hydrotherapy in the body
Various sports medicine studies confirm that alternating extreme temperatures triggers a sequential vasoconstriction and vasodilation effect. This natural "vascular pumping" flushes out metabolic waste, such as lactic acid, and eases the physical strain caused by peak summer temperatures.
At the exclusive The Cave circuit—our wellness and self-care sanctuary at Balneario Illetas—we optimise this biological process. While thermal circuits are often associated with winter, their summer application is crucial for the lymphatic system.
At the exclusive The Cave circuit—our wellness and self-care sanctuary at Balneario Illetas—we optimise this biological process. While thermal circuits are often associated with winter, their summer application is crucial for the lymphatic system.
Discover the perfect balance between body and mind through contrast therapy. Alleviate summer sluggishness, revitalise your cellular energy, and achieve deep muscle recovery at Balneario Illetas' exclusive spa, The Cave.
Thermal phases and structural benefits
To understand how to enjoy this experience and its biological impact, experts analyse the body's response in each phase of our circuit:
• Turkish bath and finnish sauna: exposure to intense heat induces rapid vasodilation. This phase is vital for relaxing the fascial tissue and promoting deep sweating to expel toxins.
• Ice bath: controlled immersion in extreme cold triggers acute vasoconstriction. This thermal shock effectively reduces cellular inflammation and acts as an immediate tonic for venous capillaries.
• Rest and sports massage: returning to a controlled room temperature lowers fatigue markers, rounding off the circulatory benefits and stabilising the heart rate. To optimise muscle recovery after outdoor sports or sun exposure, it is essential to maintain deep cellular hydration and always end the thermal cycles on the cold phase, thereby maximising relief from heavy limbs.
• Turkish bath and finnish sauna: exposure to intense heat induces rapid vasodilation. This phase is vital for relaxing the fascial tissue and promoting deep sweating to expel toxins.
• Ice bath: controlled immersion in extreme cold triggers acute vasoconstriction. This thermal shock effectively reduces cellular inflammation and acts as an immediate tonic for venous capillaries.
• Rest and sports massage: returning to a controlled room temperature lowers fatigue markers, rounding off the circulatory benefits and stabilising the heart rate. To optimise muscle recovery after outdoor sports or sun exposure, it is essential to maintain deep cellular hydration and always end the thermal cycles on the cold phase, thereby maximising relief from heavy limbs.
Self-care as the engine for holistic recovery
The physiological toll of peak summer heat demands a proper therapeutic response. Combining hydrotherapy cycles with manual therapies or deep-tissue massages helps mobilise stagnant fluids once and for all, ensuring long-lasting relief and preparing the nervous system for restful sleep. Dedicating time to self-care isn't just a luxury; it's a preventative necessity to protect cardiovascular health during your holidays.
Plan your day of relaxation and wellness at Balneario Illetas. Book your session by calling +34 971 401 031 or emailing us at spa@balnearioilletas.com.
Plan your day of relaxation and wellness at Balneario Illetas. Book your session by calling +34 971 401 031 or emailing us at spa@balnearioilletas.com.


