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The above images are quadriceps MRI scans of a 74-year-old sedentary man, and a 74-year-old male triathlete. The difference in muscle mass is astounding, and according to a new study, they're proof that you don't have to lose muscle mass as you age. Pretty good reason to work out, right? The study, published in the journal Physician and Sports Medicine (found via Jay Parkinson), investigated whether muscle atrophy actually happens because of aging, or because of lack of exercise. The researchers... More »Post from: Blisstree