Study: Weighted vests can help maintain bone density in older adults with obesity

Study: Weighted vests can help maintain bone density in older adults with obesity

Scientists explain how a common virus causes havoc on bone marrow, organ transplant patients In the pilot study that preceded INVEST, Wake Forest researchers asked participants to wear a weighted vest for 10 hours/day during a six-month weight loss program, with an average of 6.5 hours/day of wear time reported. The vest, which weighs two pounds, can be worn under clothes and allows full range of motion. As pilot participants lost weight, the researchers added the amount of weight lost - in two-ounce increments - to the vest. Bones grow when there is weight or "load" put on them and will bulk up when you put on a few extra pounds. On the flip side, bones will lose density when you lose weight - and, to make matters worse, older adults typically don't regain bone density even if they regain their weight. "With the weighted vest, you're keeping yourself at an equal load while you lose weight," Beavers said. "We know that not all, but a lot, of bone loss that occurs when you drop pounds is because of this 'unloading effect.'" In the pilot, people who wore the vest reduced hip bone loss dramatically. The new study runs through April 2024 and will follow 192 adults age 60-85 in a randomized, controlled trial. The weighted vest used in the study retails for about $150 and includes weighted blocks about the size of a domino tile that fit into little pockets all over the vest. Study participants will be divided into three groups: (1) weight loss program alone; (2) weight loss plus weighted vest; or (3) weight loss plus structured resistance training. These interventions will begin in spring 2020. Safe weight loss for older adults has been a focus of multiple studies at Wake Forest in recent years. Source:



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