Already dedicated exercisers make small but costly mistakes regularly in their workouts, and one tiny change can have a huge impact on their results. Time is valuable, and for each precious moment invested you want to ensure the best possible return. If your body is not yet as lean or toned as you would like, it is likely that you are committing some key training mistakes. These errors can sabotage the efforts of even veteran exercisers. By learning about the most common fitness faux pas and their fixes, you will mistake-proof your exercise and see tremendous payoffs. Six of the biggest fitness faux pas are