PURPOSE: This study aimed to explore the effect of applying elastic taping and passive stretching exercises simultaneously on the muscle tone of the upper trapezius. METHODS: Thirty healthy adults were randomly divided into two groups: the ‘passive stretching exercise’ group (n = 15) and the ‘passive stretching exercise with elastic taping’ group (n = 15). Muscle tone was measured using the MyotonPRO. The muscle tension was measured immediately after the stretching exercises and taping intervention, and again 5 minutes after the intervention. RESULTS: Within each group, there was a significant reduction in muscle tone in the upper trapezius after treatment (p < .05). However, there was no significant difference in the muscle tone reduction between the groups (p > .05). Both experimental and control groups showed a significant decrease in muscle tone in both the upper trapezius muscles over time, i.e., immediately after treatment and five minutes later (p < .05). The main effect of time was identified in the repeated measures analysis, while there was no main effect attributed to the treatment method (group) (p < .05). CONCLUSION: The simultaneous application of stretching exercises and taping as an intervention to reduce muscle tension in the upper trapezius is still considered challenging and not yet widely regarded as an essential intervention method.