Duration of study participation is up to 6 days per participant.
Primary Objective:~To assess the efficacy of the infrared therapy patch (ITP) FIRTECH for treating participants suffering from mild to moderate acute low back pain.~Secondary Objectives:~To assess the efficacy of ITP FIRTECH on participant disability~To assess the efficacy of ITP FIRTECH on the degree of participant mobility~To assess the safety of ITP FIRTECH