Muscle spasm in the upper trapezius are common in individuals suffering from neck pain and postural imbalance. While static stretching and active release techniques (ART) are widely used therapeutic interventions, their specific impact on muscle characteristics such as thickness remains unclear. Therefore, the purpose of this study is to evaluate the effects of static stretching and ART on upper trapezius muscle thickness. A total of 22 participants with upper trapezius spasm were randomly assigned to either a static stretching group or an ART group, and both groups underwent a 5-minute intervention. Each intervention consisted of two sets of 2 minutes, with a 30-second rest between sets. Muscle thickness of the upper trapezius was measured before and after the intervention using ultrasound. The results showed that both static stretching and ART significantly reduced upper trapezius muscle thickness, with ART demonstrating a significantly greater reduction. This finding suggests that ART is more effective than static stretching, likely because it directly addresses shortened tissues and adhesions while incorporating active movement. Therefore, ART may be considered a more suitable treatment option for patients with upper trapezius muscle spasms and excessive muscle tension.
목차
Abstract Ⅰ. Introduction Ⅱ. Methods 1. Subjects 2. Research procedure 3. Measurement of upper trapezius muscle thickness 4. Intervention methods Ⅲ. Results 1. Pre- and post-intervention compar 2. Comparison between the two groups Ⅳ. Discussion Ⅴ. Conclusion References