Stopped: the inclusion period ended on 23/09/2021
Rugby players are often exposed to destabilisation of the upper cervical spine.This kind of trauma may lead to dramatic injuries, due to lesion of spinal cord. CerviStab© is a device which evaluate the bio-mechanical and neuromuscular behavior of the upper cervical spine in rugby situation. The aim of this study, is to evaluate the dynamic stabilization of the upper cervical spine in reaction to unexpected impact.
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Reproducibility of head movement amplitude measurements on healthy volunteers
Timeframe: Week 1
Reproducibility of the measurement of mechanical resistance strength intensity produced by upper cervical spine muscles responding to destabilization on healthy volunteers
Timeframe: Week 1
Reproducibility of time until appearance of mechanical resistance strength produced by upper cervical spine muscles responding to destabilization on healthy volunteers
Timeframe: Week 1
Reproducibility of the time of response of upper cervical spine extensor muscles responding to destabilization on healthy volunteers
Timeframe: Week 1
Reproducibility of the amplitude of the response of upper cervical spine extensor muscles responding to destabilization on healthy volunteers
Timeframe: Week 1