Inclusion Criteria:  Aged between 18 and 50 No chiropractic intervention (or similar) in the last 3 months No episode of musculoskeletal pain in the past 3 months No history of chronic pain (longer than 3 months) No history of vestibular disorders  Exclusion Criteria:  Excessive consumption of alcohol or consumption of other drugs or analgesics within the last 24 h Pregnancy Prior foot/ankle or spine surgery Any neuromuscular diseases that might affect gait and posture and injuries of the motor system with permanent deformities Body mass index (BMI) > 30 kg/m2