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Updated: May 27, 2026

Investigating Stress-relaxation and Failure Responses in the Trachea
Published on: October 18, 2022
The trapezius muscle uniquely lacks adaptive process in response to a repeated moderate cognitive stressor
Magali Willmann1, Benoît Bolmont
1Université Paul Verlaine-Metz, UFR SciFa, Dept STAPS, LASC (EA 3467) Emotions-Actions, Campus-Bridoux, Avenue Général Delestraint, 57070 Metz, France.
Abstract:
The aim of this study was to examine the adaptive process of muscular responses in healthy subjects over two repeated exposures to the same moderate cognitive stressor. The electromyographic (EMG) activity of the flexor pollicis brevis, biceps brachii, triceps brachii, trapezius, gastrocnemius and soleus muscles was recorded in 35 males during video-recorded Stroop color-word interference tests. The results showed lower EMG activity in all muscles during the second exposure to the stressful task, but not in the trapezius muscle. These findings could help to the understanding of the role of stressful situations in the development of musculoskeletal disorders.
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