Exercise intolerance in patients with heart failure is a common but complex phenomenon. Traditionally it has been thought that central cardiorespiratory factors were the important limiting factors of exercise performance in patients with heart failure. However, more recent research suggests that peripheral abnormalities within the skeletal muscle might play a role in the exercise intolerance experienced by these patients. This review encompasses research examining the effects of heart failure on some of the organ systems and physiological response to exercise.
The aim of this study was to determine the influence of a shock-absorbing innersole on the incidence of exertion-related injuries, of the lower extremities, among recruits during basic training in the South African Army. Injuries were classified according to the presence (group 1) or absence (group 2) of an obvious precipitating event, which allowed for the respective interpretation of a traumatic or overuse injury.
Before we can decide on the correct approach to the problem of concussion on the sportsfield, we must understand the meaning of the word concussion. Its formal neuro surgical definition is momentary loss of consciousness due to a force applied to the head, from which there is a complete recovery, the only subsequent deficit being that of a short period of amnesia.
There has been an alarmingly high incidence of heat stroke in recent marathon events, occasionally requiring hospitalization of runners. It is, therefore, essential for medical practitioners who are members of, or advisers to, marathon clubs to be fully conversant with the measures necessary to prevent heat injury in athletes.