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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Musculoskeletal Disorders 1/2015

Effects of sensorimotor training volume on recovery of sensorimotor function in patients following lower limb arthroplasty

BMC Musculoskeletal Disorders > Ausgabe 1/2015
Torsten Pohl, Torsten Brauner, Scott Wearing, Knut Stamer, Thomas Horstmann
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

TP, TB, KS and TH designed the study. TP and TB developed the study protocol methods and were responsible for statistical analyses. KS and TH reviewed the study protocol methods and SW reviewed the statistical analyses. TP, KS and TH were involved in participant recruitment. TP performed the measurements and drafted the manuscript which was revised by TB and SW. All authors read and approved the final manuscript.



Sensorimotor function is degraded in patients after lower limb arthroplasty. Sensorimotor training is thought to improve sensorimotor skills, however, the optimal training stimulus with regard to volume, frequency, duration, and intensity is still unknown. The aim of this study, therefore, was to firstly quantify the progression of sensorimotor function after total hip (THA) or knee (TKA) arthroplasty and, as second step, to evaluate effects of different sensorimotor training volumes.


58 in-patients during their rehabilitation after THA or TKA participated in this prospective cohort study. Sensorimotor function was assessed using a test battery including measures of stabilization capacity, static balance, proprioception, and gait, along with a self-reported pain and function. All participants were randomly assigned to one of three intervention groups performing sensorimotor training two, four, or six times per week. Outcome measures were taken at three instances, at baseline (pre), after 1.5 weeks (mid) and at the conclusion of the 3 week program (post).


All measurements showed significant improvements over time, with the exception of proprioception and static balance during quiet bipedal stance which showed no significant main effects for time or intervention. There was no significant effect of sensorimotor training volume on any of the outcome measures.


We were able to quantify improvements in measures of dynamic, but not static, sensorimotor function during the initial three weeks of rehabilitation following TKA/THA. Although sensorimotor improvements were independent of the training volume applied in the current study, long-term effects of sensorimotor training volume need to be investigated to optimize training stimulus recommendations.

Trial registration

Clinical trial registration number: DRKS00007894
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