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Effectiveness of a Mini-Trampoline Training Program on Balance and Functional Mobility, Gait Performance, Strength, Fear of Falling and Bone Mineral Density in Older Women with Osteopenia

Authors Posch M, Schranz A, Lener M, Tecklenburg K, Burtscher M, Ruedl G, Niedermeier M, Wlaschek W

Received 5 September 2019

Accepted for publication 3 December 2019

Published 20 December 2019 Volume 2019:14 Pages 2281—2293


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Richard Walker

Markus Posch,1 Alois Schranz,2 Manfred Lener,2 Katja Tecklenburg,2 Martin Burtscher,1 Gerhard Ruedl,1 Martin Niedermeier,1 Werner Wlaschek3

1Department of Sport Science, University of Innsbruck, Innsbruck A-6020, Austria; 2Medalp Sportclinic, Imst A-6460, Austria; 3Fliplab Vienna, Schwechat A-2320, Austria

Correspondence: Markus Posch
Department of Sport Science, University of Innsbruck, Fürstenweg 185, Innsbruck 6020, Austria
Tel +43 512/507-45855
Fax +43 512/507-45999

Purpose: To evaluate the effectiveness of a combined balance-, strength-, and jumping-exercise intervention on a mini-trampoline performed by older women with osteopenia on static balance and functional mobility, gait speed, strength of the upper and lower limbs, fear of falling, as well as to investigate its influence on bone mineral density (BMD).
Patient and methods: Using a randomized controlled study design, participants (range: 56–83 years) were assigned either to the intervention group (IG; n=20, mean age 69.6 ± 5.3 years) performing a specifically tailored intervention on a mini-trampoline or to the control group (CG; n=20, 67.4 ± 6.8 years), that did not undertake any intervention beyond regular osteopenia treatment. The intervention was performed twice a week for 12 weeks, each session lasting 45–60 mins and consisted of balance, strength and jumping exercises. Static balance and functional mobility was measured by one-leg stance (OLS) and timed up and go test (TUG). Upper and lower limb strength was evaluated by the arm curl test (ACT) and the 30-s chair stand test (CST) whereas gait speed was measured by the 6 m walking test (WT). Fear of falling was measured using the Falls Efficacy Scale – International (FES-I). BMD was measured at the lumbar spine and femoral neck using Dual-energy X-ray absorptiometry (DXA).
Results: Significant interactions (group x time) were found for all parameters (p<0.001) except for BMD, measured at the lumbar spine (p=0.064) and femoral neck (p=0.073). All test parameters of balance and functional mobility tests (OLS, TUG), strength tests (ACT, CST), WT, FES-I and BMD (femoral neck) showed significant improvement in the IG (p<0.05).
Conclusion: The combined 12-week intervention was highly effective in improving balance and functional mobility, strength, gait performance and fear of falling in patients with osteopenia.

Keywords: osteopenia, fracture risk, risk of falling, bone mineral density, mini-trampoline, training intervention

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