The aerobics in recent decades is becoming a routine physical practice in our society and at all levels without difference of sex or age. This has great support aerobics among us is because of its great potential to produce benefits in our bodies, not just physically, but also the psychic level.
We must bear in mind that aerobic exercise can be practiced at different levels in relation to the intensity and type of group to which it is directed. The intensity will be different in older people and young people, in this case aerobics differentiate high and low impact. The music style can also vary according to public taste to which we turn (salsa, funk, dance, etc.).. We may also use various alternative materials making the classic aerobics in a unique style, steps, bars, balls, TB, etc, or even mixing modalities in one session. (more…)
The existence of beings that breathe oxygen for energy appears as a constant struggle against oxidation. The same breath, as well as external factors such as chemical pollution and radiation produce reactive oxidant species, usually free radicals, molecules that are normally very active small and can damage macromolecules essential to 
I often wonder, how is it possible that each may be included under Step 