Additionally, attempts to lose weight on low-calorie diets can lead to even more lost muscle. Studies have found that regular resistance or strength training may be a better alternative than your daily runs to preserve and gain muscle — even when coupled with a low-calorie diet. Aerobic exercise is still important, just don’t make it your only form of activity.
how to lose weight in 40s
The 500- to 1,000-calorie deficit yields a loss of 1 to 2 pounds per week, since 1 pound equals 3,500 calories. Losing at a faster rate, especially after the first one or two weeks of making changes, puts you at an increased risk of developing gall stones. Determine how many calories you need daily to maintain your weight based on your exact age, activity level and size using an online calculator and determine your deficit from that number. The average 40-year old woman burns between 1,800 and 2,200 calories per day, depending on activity. women over 40 body transformation | From Fat to Fit
"The main culprit that slows metabolism and often leads to yo-yo dieting is what I call shrinking muscle syndrome," says Caroline Apovian, MD, director of the Nutrition and Weight Management Center at Boston Medical Center and the author of The Overnight Diet: The Proven Plan for Fast and Permanent Weight Loss. Starting at age 30, most people begin to lose about half a pound of the metabolism-revving tissue each year. Poof! Gone, just like that. And at age 50, the rate doubles. "The average sedentary woman may have lost nearly 15 pounds of muscle by the time she reaches her late 50s, a change that could cause her to gain nearly the same amount in body fat," says Wayne Westcott, PhD, a Prevention advisory board member and the director of fitness research at Quincy College in Massachusetts.