New Delhi, Sept. 20 -- The key to finding new formulas of working out usually lies in boredom; not just mental, but even muscular. Doing three sets of 12 reps or three sets of 15-12-10 reps or any other number with an increasing or similar amount of weights can make the muscles used to the stimulus they receive and eventually stagnate growth. Mixing it up is always the best idea. But this doesn't mean you try something new every day. It means you give a chance to every workout formula consistently until you find the best combination.

These combinations will depend on your goals: size, strength, endurance, flexibility, stamina and so on. But while these can change like the weather, there is one consistent system that most people start off...