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Diving reflex in a human baby The diving reflex , also known as the diving response and mammalian diving reflex , is a set of physiological responses to immersion that overrides the basic homeostatic reflexes , and is found in all air-breathing vertebrates studied to date.
Watsu is a form of aquatic bodywork used for deep relaxation and passive aquatic therapy.Watsu is characterized by one-on-one sessions in which a practitioner or therapist gently cradles, moves, stretches, and massages a receiver in chest-deep warm water.
Elephant seals stay at sea for between 2 and 8 months and dive continuously, spending 90% of their time underwater and averaging 20 minutes per dive with less than 3 minutes at the surface between dives. Their maximum dive duration is about 2 hours and they routinely feed at depths between 300 and 600 m, though they can exceed depths of 1600 m.
The instinctive drowning response is an instinctive reaction that occurs in humans, particularly in non-swimmers, when close to drowning.It is focused on attempting to keep the mouth above water to the exclusion of useful effort to attract help or self rescue, and is often not recognized by onlookers.
It is known as the calming portion of the autonomic nervous system. [16] While the sympathetic nervous system is activated, the parasympathetic nervous system decreases its response. Efferent vagal fibers originating from the nucleus ambiguous fire in parallel to the respiratory system, decreasing the vagal cardiac parasympathetic tone. [ 17 ]
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Ai Chi is a total body relaxation and strengthening progression used for aquatic therapy. [1] This aquatic technique is characterized by slow movement coordinated with deep breathing, based on elements of qigong and tai chi.
For some, even just thinking back to the dive can have a calming and relaxing effect. Apart from this, scuba diving can also have physical treatment effects. For instance, training to breathe under water can heal people suffering from chronic obstructive pulmonary disease by increasing the peak and endurance exercise capacities.