Falls of the elderly are an increasing problem causing a high degree of morbidity, mortality, and use of health care services.

Obstructive sleep apnea occurs in ≥2–4% of the adult population. It is necessary to implement an affordable and convenient solution for monitoring breathing characteristics in order to prevent the development of apnea syndrome.

One of the most important abilities affecting the effectiveness and efficiency of athletes in many sports is their ability to coordinate movements. The ability to perform athletic elements with precise, balanced effort is a key characteristic of a successful athlete.

The training of the ability to coordinate movements is an important factor in the technical training of an athlete.

Human error figures prominently in most of the well-known catastrophes in the world, such as Bhopal, the Exxon Valdez, and Chernobyl.

In common with most other complex technical activities, human error is implicated in the majority of maintenance-related quality lapses, incidents, and accidents. General estimates of this human error contribution have increased over the years, from a low of around 20% in the 1960s to values in excess of 80% in the 1990s.