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TUESDAY, Dec. 10, 2019 (HealthDay News) — Both resistance and combined aerobic and resistance exercise are associated with less weight loss-induced bone loss than aerobic exercise alone, according to a study published online Dec. 4 in the Journal of Bone and Mineral Research<\/i>.<\/p>\n
Reina Armamento-Villareal, M.D., from the Baylor College of Medicine in Houston, and colleagues randomly assigned 160 obese older adults (\u226565 years) to a control group or to aerobic exercise, resistance exercise, or both as part of a weight-loss intervention. Changes in bone mineral density (BMD; total hip, femoral neck, trochanter, intertrochanter, one-third radius, lumbar spine) and bone markers were assessed.<\/p>\n
The researchers found that after six months of intensive lifestyle interventions, compared with a control group that had no weight-management or exercise interventions, BMD decreased less in the resistance group (\u22120.7 percent) and combination group (\u22121.1 percent) versus the aerobic group (\u22122.6 percent). In the aerobic group, serum C-telopeptide, procollagen type 1 N-propeptide, and osteocalcin concentrations increased more (33, 16, and 16 percent, respectively) than in the resistance group (7, 2, and 0 percent, respectively) and in the combination group (11, 2, and 5 percent, respectively). Declines in whole body mass and serum leptin were independent predictors of the decline in hip BMD.<\/p>\n
“Both resistance and combined aerobic and resistance exercise can be recommended to protect against bone loss during weight loss therapy of older adults with obesity,” the authors write.<\/p>\n
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