and burns additional calories while allowing your legs time to recover from the repetitive load of running.Exercising places stress on your joints and muscles, so concentrating on a single sport (such as running) will mean the same muscles are always under

warming up and a lot of them seem to contradict each other on the best methods of warming up and down. Can anyone help me here?" – john burthe 2Your best answersMuscles are like elastic bandsGenerally it's best to mobilise the joints to warm up so

, tendons and joints have to do a huge amount of adaptation to cope with such a high-impact activity, and this process lags well behind the improvement in your aerobic fitness. There's no short-cut, and introducing hard sessions (in duration or intensity

and pattern that you do (although you don’t consciously know it). You'd develop blisters, but never limp. Those blisters would get infected, and wear down to the bone. Without pain, you'd cut yourself, burn yourself and damage yourself. Your joints, your skin