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, Steven L Watson Menzies Health Institute QueenslandGold CoastQueenslandAustralia School of Allied Health SciencesGriffith UniversityGold CoastQueenslandAustralia Search for other works by this author on: Oxford Academic Benjamin K Weeks Menzies Health Institute QueenslandGold CoastQueenslandAustralia School of Allied Health SciencesGriffith UniversityGold CoastQueenslandAustralia Search for other works by this author on: Oxford Academic Lisa J Weis The Bone ClinicBrisbaneQueenslandAustralia Search for other works by this author on: Oxford Academic Amy T Harding Menzies Health Institute QueenslandGold CoastQueenslandAustralia School of Allied Health SciencesGriffith UniversityGold CoastQueenslandAustralia Search for other works by this author on: Oxford Academic Sean A Horan Menzies Health Institute QueenslandGold CoastQueenslandAustralia School of Allied Health SciencesGriffith UniversityGold CoastQueenslandAustralia Search for other works by this author on: Oxford Academic Belinda R Beck The Bone ClinicBrisbaneQueenslandAustralia Menzies Health Institute QueenslandGold CoastQueenslandAustralia School of Allied Health SciencesGriffith UniversityGold CoastQueenslandAustralia Address correspondence to: Belinda R Beck, PhD, School of Allied Health Sciences, Gold Coast Campus, Griffith University, QLD 4222, Australia. E‐mail: b.beck@griffith.edu.au Search for other works by this author on: Oxford Academic
Journal of Bone and Mineral Research, Volume 33, Issue 2, 1 February 2018, Pages 211–220, https://doi.org/10.1002/jbmr.3284
Published:
04 October 2017
Article history
Received:
08 January 2017
Revision received:
24 August 2017
Accepted:
27 August 2017
Published:
04 October 2017
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Steven L Watson, Benjamin K Weeks, Lisa J Weis, Amy T Harding, Sean A Horan, Belinda R Beck, High‐Intensity Resistance and Impact Training Improves Bone Mineral Density and Physical Function in Postmenopausal Women With Osteopenia and Osteoporosis: The LIFTMOR Randomized Controlled Trial, Journal of Bone and Mineral Research, Volume 33, Issue 2, 1 February 2018, Pages 211–220, https://doi.org/10.1002/jbmr.3284
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ABSTRACT
Optimal osteogenic mechanical loading requires the application of high‐magnitude strains at high rates. High‐intensity resistance and impact training (HiRIT) applies such loads but is not traditionally recommended for individuals with osteoporosis because of a perceived high risk of fracture. The purpose of the LIFTMOR trial was to determine the efficacy and to monitor adverse events of HiRIT to reduce parameters of risk for fracture in postmenopausal women with low bone mass. Postmenopausal women with low bone mass (T‐score < –1.0, screened for conditions and medications that influence bone and physical function) were recruited and randomized to either 8 months of twice‐weekly, 30‐minute, supervised HiRIT (5 sets of 5 repetitions, >85% 1 repetition maximum) or a home‐based, low‐intensity exercise program (CON). Pre‐ and post‐intervention testing included lumbar spine and proximal femur bone mineral density (BMD) and measures of functional performance (timed up‐and‐go, functional reach, 5 times sit‐to‐stand, back and leg strength). A total of 101 women (aged 65 ± 5 years, 161.8 ± 5.9 cm, 63.1 ± 10.4 kg) participated in the trial. HiRIT (n = 49) effects were superior to CON (n = 52) for lumbar spine (LS) BMD (2.9 ± 2.8% versus –1.2 ± 2.8%, p < 0.001), femoral neck (FN) BMD (0.3 ± 2.6% versus –1.9 ± 2.6%, p = 0.004), FN cortical thickness (13.6 ± 16.6% versus 6.3 ± 16.6%, p = 0.014), height (0.2 ± 0.5 cm versus –0.2 ± 0.5 cm, p = 0.004), and all functional performance measures (p < 0.001). Compliance was high (HiRIT 92 ± 11%; CON 85 ± 24%) in both groups, with only one adverse event reported (HiRIT: minor lower back spasm, 2/70 missed training sessions). Our novel, brief HiRIT program enhances indices of bone strength and functional performance in postmenopausal women with low bone mass. Contrary to current opinion, HiRIT was efficacious and induced no adverse events under highly supervised conditions for our sample of otherwise healthy postmenopausal women with low to very low bone mass. © 2017 American Society for Bone and Mineral Research.
CLINICAL TRIALS, DXA, EXERCISE, FRACTURE PREVENTION, OSTEOPOROSIS
© 2018 American Society for Bone and Mineral Research
This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
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High‐Intensity Resistance and Impact Training Improves Bone Mineral Density and Physical Function in Postmenopausal Women With Osteopenia and Osteoporosis: The LIFTMOR Randomized Controlled Trial - 24 Hours access
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