Premature ventricular contractions can occur in a healthy person of any age, but are more prevalent in the elderly and in men. They frequently occur spontaneously with no known cause. Heart rate turbulence (HRT) is a phenomenon representing the return to equilibrium of the heart rate after a PVC.
Microcycle is the training work unit that can be various on lasting, structure and contents. In praxa microcycles last 2-14 days, but the most often variant is 7 days.ecause of that it can be told that there is no unique, universal microcycle structure that can be thought to be equally good for each possible cases. In the theory of sports training there is multiple microcycles classifications.
verb (used with object), upcycled, upcycling. 1. to process (used goods or waste material) so as to produce something that is often better than the original: I upcycled a stained tablecloth into curtains. verb (used without object), upcycled, upcycling. 2. to process goods or material in this way.