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Cyclic Variations in Altitude Conditioning ™ |
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Cyclic Variations in Altitude Conditioning™ (CVAC™), a patent-pending process, consists of various altitudes arranged into precise patterns. Each CVAC session contains a number of maneuvers involving multiple transits to target pressures; and consists of an estimated 300-500 cyclic altitude changes within a 20-minute period. The targets and consequent transits, pressure and temperature changes are arranged to fit the specific requirements of an individual’s body via pulse-sequence profiles. We believe that these dynamic changes in oxygen content, air pressure and temperature stimulate the entire body and increase the oxygen-carrying capacity of the blood. A scientific validation study performed at the University of Hawaii shows significant improvement in the oxygen-carrying capacity of study subjects’ blood and that, in short exposures to cyclic variations in altitude conditioning, subjects achieve “a significant adaptation to high altitude in four weeks of use.” This first study was presented at the 2006 American College of Sports Medicine annual meeting. Click here for more information. Subsequent studies focused on illustrating the physiologic effects of the CVAC process are ongoing through researchers from Stanford University and the Veterans Affairs Palo Alto Health Care System, and others. Click here for more information. CVAC Triggers High-Altitude Acclimatization, and More High-altitude acclimatization is understood to evoke
increases in red blood cell count, hemoglobin and capillary density.
Moreover, when high altitude-acclimatized individuals exercise at
lower altitudes, mitochondrial density increases in response to the
additional availability of oxygen, resulting in increased strength,
stamina, and
numerous other benefits. (Living High/Training Low). Click
here for published studies.  In a normal healthy body, red blood cells deliver oxygen to the tissues, including all the muscles. This oxygen is used by the mitochondria in the muscle cells to convert carbohydrates and fats into energy. At high altitude, less oxygen is available for use by the body. The body compensates by increasing the number of blood vessels and red blood cells. The increased red blood cells and capillaries allow more oxygen to be delivered to the body’s cells. Extensive research into the high-altitude adaptation response reveals that it results in the kidneys producing erythropoietin (EPO), a hormone that up-regulates red blood cell (RBC) production. This increase provides more oxygen available to the target cells. Additionally, high-altitude conditioning has been proven to increase the number of capillaries, providing more surface area for oxygen exchange. We believe that exposure to the CVAC process enhances human performance beyond high-altitude acclimatization. Click here to download our CVAC Product Profile. The CVAC process is expected to remove the lactic acid, bradykinin, other toxins, and dead or injured cell parts built up during physical exertion. Flushing of such waste products may explain the claim by certain CVAC users of significantly enhanced ‘recovery’ after workouts, competition, or injury. Any level of exercise into the anaerobic range produces quantities of waste material (most notably, lactic acid). Very dramatic pressure changes create a squeezing and expanding action; or ‘total-body vasopneumatic compression’ (TBVPC). It is an accepted physiological mechanism that pressure changes are a stimulus that causes more fluid to be returned to the heart; this is also known as pressure diuresis. The increase in blood volume results in an increase in pressure in the atria; thereby triggering the production of alpha-atrial natriuretic peptide (ANP), which causes the kidneys to remove excess fluid through increased urine production.
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