We all know, whether we admit it or not, that exercise is essential to optimal health. This is the time of year that many will finally make room in their schedule to take on the task of including exercise in their daily routine. It may also be a good time for you longtime exercisers to evaluate your routine to determine if it is effective in helping you achieve the results you want. Many die-hard exercisers swear their fitness program is the best around. You see them on the same machines or in the same classes month after month, year after …