Effect of Dynamic Sitting on Pain Development - Part 2

Inclusion Criteria: * Signed Informed consent * People aged between 18 and 65 years * People classified as pain developers (e.g.: a 10 mm increase in pain on a 100 mm paper-based VAS) * Office workers * Employment status: \> 25 h / week * Sufficient knowledge of German (min. B2 level) * Body height of at least 160cm required * Electrically or manually height-adjustable table at main workstation Exclusion Criteria: * Physical or mental limitations that make dynamic sitting or use of the procedure chair difficult (e.g. wheelchair users, vestibular dysfunction) * Pregnancy * Sitting for less than 20 hours per week at the main workplace * Body weight over 110 kg and a body height over 195 cm * Regular therapy or medication for pain or medication that affects the perception of pain (e.g. certain psychotropic drugs according to the package leaflet) * office chair to which it is not possible to attach the swivel mechanism prototype * Presence of any chronic disease that may influence pain perception (e.g., chronic kidney disease, fibromyalgia, neuropathy, chronic fatigue syndrome)