There are five potential benefits of exercise: An increase in 1) muscle strength, 2) flexibility, 3) cardiovascular condition and 4) protection from injury, and 5) a decrease in body fat. Of these, one stands head and shoulders above the rest - muscle strength. Why? It's the only factor that can produce human movement. All of the others serve to assist once movement is initiated by the force of muscle contraction.
Besides that, muscle strength defines the limits of cardiovascular ability and of the structure's integrity to withstand outside forces (injury prevention). It determines the amount of muscle on a body which positively affects metabolism (more than any factor), corporal aesthetics and a number of health-risk issues such as heart disease, diabetes and many yet-to-be-determined conditions. Yet, despite these potential benefits, strength training is the most ignored element in fitness regimens.
There are many options on the fitness table. The next time your doctor recommends exercise, choose to strengthen your body. It's the best choice you can make.
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