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Modified step aerobics training and neuromuscular function in osteoporotic patients: a randomized controlled pilot
Martin Behrens1, Karoline Müller2, Jill-Isabel Kilb3
1Institute of Sport Science, University of Rostock, Rostock, Germany.
Archives of Orthopaedic and Trauma Surgery
|December 18, 2016
Summary
Modified step aerobics training significantly improved leg strength in older adults with osteoporosis. This 6-month program shows promise for enhancing neuromuscular function in this vulnerable population.
Area of Science:
- Gerontology
- Exercise Physiology
- Neuromuscular Adaptations
Background:
- Limited training programs exist for improving leg function in older osteoporotic patients.
- Modified step aerobics was hypothesized as a suitable intervention.
- A pilot study assessed feasibility and reported on neuromuscular effects.
Purpose of the Study:
- To evaluate the feasibility of a large-scale study on exercise for older osteoporotic patients.
- To investigate the effects of modified step aerobics on neuromuscular function of plantar flexors.
- To assess changes in maximum voluntary torque and rate of torque development.
Main Methods:
- A randomized controlled pilot study involving 27 patients aged 65+.
- Intervention group: supervised modified step aerobics (2x/week, 1h) for 6 months.
- Neuromuscular function of plantar flexors assessed at baseline, 3, and 6 months.
Main Results:
- The intervention group showed significant increases in maximum voluntary contraction strength compared to controls.
- Strength gains were 9.1% at 3 months and 14.8% at 6 months.
- Observed adaptations were likely due to both neural and muscular changes.
Conclusions:
- Modified step aerobics is a promising training program for older osteoporotic patients.
- Further investigation in a large randomized trial is warranted.
- Detailed neuromuscular assessment may be feasible only for a subset of participants.
