Baseline Visit 2
Treatment allocation occurs at BL2. First, a clinician
provides the participant with a verbal report of the BL1
exam findings, probing for any clinically important
change in the participant’s condition or new issues that
may impact study compliance, and answering any questions
the participant has regarding their condition or
study participation. The study coordinator then meets
with the participant and answers any questions about
the study, provides an opportunity for the participant to
view the video showing the biomechanical tests and
treatment procedures again, and probes for potential
compliance issues. For eligible participants, the study
coordinator obtains and witnesses the participant’s signature
on the final informed consent document. Next,
the participant completes a questionnaire to ensure that
their NRS score is not less than 2. Finally, the study
coordinator confirms eligibility and allocates the participant
to one of the three treatment groups.