To make a general calculation, starting from the premise that walking 1 km burns about 0.4-0.5 calories per kilogram of body weight. Thus, a 70 kg person would burn approximately 28-35 calories ...
For example, in a 5000 kcal diet, a 50% of energy in carbohydrates will provide 7–8 g/kg of bodyweight for a 70 kg athlete. On the contrary ... Athletes with lower energy needs of small body shape are ...