*This exercise has been developed by the Canadian Chiropractic Guideline Initiative (CCGI) and is based on expert consensus. Exercises conceptualized & demonstrated by: Nadia Richer, Caroline Poulin (professors, UQTR); Narration: André Bussières (professor, UQTR, McGill); Production and editing: Yannick Maltais (Information Technology Services, UQTR)