much energy is lost during foot contact," explains Dr Sharon Dixon, a senior lecturer in biomechanics at the University of Exeter. "More energy is lost on less 'stiff' surfaces. A very soft surface like sand will dissipate more energy than Tarmac
during foot contact," explains Dr Sharon Dixon, a senior lecturer in biomechanics at the University of Exeter. "More energy is lost on less 'stiff' surfaces. A very soft surface like sand will dissipate more energy than Tarmac and requires more effort
