Ice Bath Byron Bay

Your body reacts instantly when you enter cold water. Your blood vessels constrict, diverting blood from your skin and limbs to keep your core body temperature intact. Your heartbeat and breathing also speed up significantly. Under such cold conditions, your body can release noradrenaline in very high amounts, which could be increased by 200-500%, depending on how cold the water is and how long you stay submerged.

As soon as you leave the pool of cold water, the blood vessels expand and the blood returns to the tissues. According to many studies conducted on cold water immersion, this contraction and relaxation (termed as vasoconstriction and vasodilation) is responsible for the improved circulation.  It’s also the same reaction that underpins the effectiveness of contrast therapy, which alternates between cold and warm treatments.

Taking a plunge into cold water after a tough workout might be just what your muscles need to recover. A Cochrane review from 2012 looked at 17 smaller studies involving 366 participants. The study found that submerging yourself in cold water is helpful in relieving sore muscles not only one day after exercise, but also up to four days post-exercise. This is because submersion in water causes two major effects, namely that the pressure exerted by water facilitates the drainage of fluid from inflamed muscles, while the cold water causes reduced inflammation in the body.

When you’re aiming to build muscle through intense weightlifting, the timing of your recovery methods plays a crucial role. According to a 2024 study published in the European Journal of Sport Science, using cold water immersion immediately after resistance training may reduce the muscle growth typically stimulated by such workouts. For muscle growth, the best times for ice baths are on non-lifting days or some time after a lifting session. In general, the timing is not as important if you’re using cold therapy to enhance recovery and treat soreness.

Cold immersion acts as a controlled stressor, prompting your body to adapt much like it would after a challenging run or an intense workout. When you expose yourself to cold, your body releases noradrenaline, which enhances focus and boosts mood for several hours. Regularly engaging in this practice has been associated with decreased anxiety symptoms and better sleep. This likely involves a rebound effect from the parasympathetic nervous system after the initial sympathetic response, coupled with the conditioning your body undergoes by frequently facing and recovering from stressors. Many of our members share that a morning dip in cold water often provides more mental clarity than a second cup of coffee.