 To demonstrate the non-inferiority of Bi-Profenid 100 mg x 2 day versus Bi-Profenid 150 mg x 2 day in patients presenting with pain related to closed, benign, acute post-traumatic conditions of the motor system or acute, non-infectious rheumatologic conditions, by comparing, on the one hand, changes in resting pain intensity over the entire day, measured at the end of the day using a numeric scale NS, over 5 days and, on the other hand, total intake over 5 days of concomitant analgesics. 