This randomized crossover study aims to address an important gap in manual therapy by examining the acute physiological effects of different Graston Technique application speeds (60 BPM vs. 120 BPM) on the dominant upper trapezius muscle in patients with bruxism. Although the Graston Technique is widely used, the specific impact of application speed on parameters such as muscle stiffness, muscle oxygenation, pressure pain threshold, and pain intensity remains under-investigated. By utilizing a crossover design with a 1-week washout period, this study allows for a precise within-subject comparison of the two speeds. The findings will clarify the optimal application frequency, providing objective data to guide the development of more effective, evidence-based manual therapy protocols for bruxism management.
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Muscle stiffness
Timeframe: Baseline and immediately post-intervention for each treatment session
Muscle oxygenation
Timeframe: Baseline and immediately post-intervention for each treatment session