Background/Objectives: Gymnastic exercises exert positive effects on chronic neck pain. Growing evidence suggests that combining cervical spine exercises with temporomandibular joint (TMJ) relax pads may enhance outcomes on pain, discomfort, and functional limitations. To evaluate the additive effect of silicone TMJ relax pads worn in the molar region during cervical spine exercises on reducing neck pain and selected mobility outcomes. Methods: In this study, 52 sedentary middle-aged adults working on video display unit (VDU) workstations were randomly assigned to two groups. Both groups performed a specific cervical spine exercise program (3 × 3 min/day) for three months. One group used bilateral TMJ relax pads during exercise (EX-RP) while the control group applied the identical exercises without pads (EX). Neck pain intensity was assessed using a one-week pain protocol prior to and after a 12-week intervention. Functional assessments included cervical/thoracic and shoulder mobility tests, and thoracic kyphosis angle measurement. An intention-to-treat analysis with multiple imputations was performed. Results: Data from 47 participants (EX-RP: n = 25; EX: n = 22) were analyzed. Neck pain decreased in both groups, with a significantly greater reduction in the EX-RP compared to the EX group (p = 0.046). Neck Disability Index (NDI) scores improved in both groups (p < 0.001), with no significant difference between groups (p = 0.514). EX-RP showed greater improvements in cervical extension (p = 0.044) and trunk rotation (p = 0.019); however, the results for other mobility outcomes were inconsistent. Conclusions: Adding TMJ relax pads to cervical exercises (alone) favorably affects the pain intensity and might enhance mobility outcomes in individuals with chronic neck pain. TMJ relax pads appear to be a feasible and low-threshold adjunct to exercise-based interventions.
Kühn et al. (Sat,) studied this question.