It’s Not All About Pumping Iron…Flexing Builds Muscle Too!

Building muscle doesn't have to be as complicated as we make it.

Building muscle doesn’t have to be as complicated as we make it. An article in the Journal of Medicine and Science in Sports suggests that contracting muscles tightly for 3-4 seconds a day fast-tracks muscle growth. Up to 12% in one month! Another study shows that young adults doing 10 4-second isometric contractions of the arm (with 4 sec of rest between) for five total sets…three time per week, for 3 months increased their biceps and triceps 4%.