Cellular ELectrolytes
All cells have an electrical charge. Electronegativity of the interior of a resting cell is characteristic of most cells in the body. When a cell is excited by chemical, electrical or mechanical stimuli, this polarity becomes reversed (depolarized) ie. the interior becomes more positive than the extracellular fluid surrounding it. It's at this point that the cell will respond; if it's a muscle cell it will contract. For example, the propagation of action potential through the heart stimulates the myocardium. Cells lose their charge and slow down when body pH is acidic. An acid pH causes an electrolyte imbalance in cells, and an electrolyte imbalance causes an acid pH.

The great increase in potassium (K+) concentration during exercise is one of the reasons that cardiac output decreases when the compensatory mechanisms fail. Furthermore if the action potential is inhibited to a great degree by an abnormal increase in K+ as well as oxygen deprivation during acidosis of the heart, cardiac arrest (heart attack) can result. Restoration of electrolyte balance is necessary to recharge cells for optimal cellular renewal. Body'Fit pH Fitness™ can be performed to mitigate pH, K+ ion, and oxygen imbalance, thereby providing a unique way to train harder with less stress that gets More Out of Exercise™ fast.

How It Works
The concentration of K+ inside a cell greatly exceeds that outside the cell; the concentration is reversed for Na+ and Ca++ , it's higher outside the cell than inside. In a resting cell the chemical force of diffusion is greater than the electrical force, and K+ tends to leave the cell. The chemical presence of an anion inside the cell moves K+ by diffusion from the higher concentration inside to the lower concentration outside. During excitation (depolarization), the exchange of ions is made possible by chemical and electrical stimuli or by a metabolic pump within the cell membrane.

Electrostatic force is required to move K+ from a positively charged exterior into the negatively charged interior, and this requires Na+. During rest Na+ has little affect on overall polarity. However if Na+ or K+ concentrations change due to chemical, electrical or mechanical stimuli, the cell becomes more premeable to Na+ until the polarity is reversed and the interior becomes positively charged ie. depolarized. If sufficient ion concentrations are not available (due to pH acidity for example), the metabolic pump is engaged to move Na+ because cell membranes have very low permeability to sodium, and this requires a greater expenditure of energy. Warming-up with Body'Fit™ ensures ion concentrations are held at their optimal value, including calcium (C++), by neutralizing pH, improving circulation, and affecting a more efficient ventilation/perfusion ratio in the lungs optimizing ion absorption.

The inward movement of Ca++ prolongs depolarization assisting in contraction of muscle cells. (Predictably depletion or reduction in availability of Ca++ can cause reduced contractility of myocardial cells.) Once the depolarization has begun, the influx of Ca++ into the cell (along with Na+) balances the eflux of K+, sustaining the excitation of the cell, until the electrolyte concentrations of the resting phase are restored by the action of metabolic pumps. Rise in potassium concentrations outside the cell increases greatly when K+ is lost from cells inadequately perfused with oxygen as during ischemia, or systemic hypoxia which typically occurs during sports training and exercise workouts. Except in skeletal muscle cells which pull electrolytes from the other tissues, the disrupting effect of increased potassium (K+) on the electrical balance of the action potential in the heart and other tissues of the body is a retardation of depolarization and repolarization.

Peak Metabolic Potential
Equitable oxygen distribution in all tissues, awakening the nervous system to reduce energy expenditure of the metabolic pumps; balancing metabolic pH and electrolyte distribution through efficient delivery and fast removal of metabolites - this is the job Body'Fit pH Fitness exercise design accomplishes.By improving circulation to remove metabolite build-up of extra-cellular potassium and excess lactic acid, it prevents the acidity which uses up electroylytes in an attempt to rebalance the pH and instead provides the cells with the electrolytes needed for Peak Metabolic Potential (PMP™). Through specific engineering of sympathetic stimulation (norepinephrine) which increases cell permeability to Ca++ and Na+ increasing heart rate and contractility, and parasympathetic stimulation which increases cell permeability to K+ decreasing heart rate and contractility, Body'Fit pH Fitness is designed to provide chemical, electrical, and mechanical stimuli in the proper sequence for optimizing cellular excitation.