Built-in workout monitor predicts fitness We all hold the secret to getting fit, according to experts from the University of Exeter. The research group has shown that people each have an integral capability to judge how hard our bodies are working, often with remarkable precision vardenafil . A number of studies during the last two years, culminating in three educational papers during the past two months, has shown a regularly close correlation between actual and perceived exertion in people of all degrees of fitness. The team has discovered that an individual’s own sense of how hard they’re working corresponds precisely with actual degree of exertion, measured by heart-rate and oxygen uptake.