work out on a single muscle group a day, or on all muscle groups a day? Say everday work out on Push Ups, then the next week... sit ups... and so on. Or should I work out different groups everyday?
work out on a single muscle group a day, or on all muscle groups a day? Say everday work out on Push Ups, then the next week... sit ups... and so on. Or should I work out different groups everyday?