How is the recommended duration of an exercise session determined?
According to the American College of Sport Medicine (ACSM) the recommended duration of an exercise session is 20 to 60 minutes of continuous aerobic activity. The duration of exercise is dependent of the existing physical fitness of the individual and on the level of intesity of exercise. Individuals that are severely deconditioned may need to exercise in several short 5-10 minute intervals until they adapt to training without evidence of undue fatigue or injury. Source: ACSM Exercise Guidelines Nutrition Education Website, David Geffen School of Medicine, UCLA 031 In what rate should fluids be replaced during heavy exercise? Athletes can lose a large amount of fluid when exercising. An athlete can become dehydrated in as little as 30 minutes. “Dehydration occurs when fluid (sweat) loss exceeds 1% of body weight (800 ml in the case of an 80-kg male). Work capacity and temperature control can be impaired with a loss of as little as 2% of body weight and can cause a 5-10% drop in perform