The muscles that are used for a long distance run require plenty of oxygen and the muscles have to make that oxygen last over a long time. The difference between the two types of muscles is referred to as fast twitch and slow twitch.

Arthritis is a serious disorder with 46 million Americans suffering from it and that number will surely increase as the population gets older. There are many ways to relieve and prevent the discomfort of arthritis and one of the lesser known is strength training.