Well, it's a fact that having bad posture is not good for your overall health. Basically, if you do not hold your body up correctly you can experience health problems - but we are here to tell you that it is easy to correct. You REALLY should check this out...
Okay, so we're well aware that you can ache for a few days after physical activity or working out. Now aching isn't a bad thing at all and it's completely natural. It's all part of your body's healing process as you get stronger while increasing your physical abilities.