This is the blog of nutrition tracking app MyFitnessPal. Get wholesome recipes, nutrition advice, weight reduction ideas, fitness inspiration, and extra. While it might be tempting to skip a fitness center day right here or there, staying constant is the key to sustaining your muscle mass as you age. In reality, researchers in Denmark discovered that simply two weeks of immobility significantly decreased muscle mass that six weeks of coaching afterward couldn’t make up for. “The biggest tip I can provide is to be constant,” says Dickstein.