Comparative Analysis of SCM Muscle Fatigue in Office Workers with Hunched Posture: A Study on Chronic Lower Back Pain versus Non-Affected Individuals

作     者：Guduru, Rama Krishna Reddy Ramineni, Joshna Ramakrishna, M.M. Sridhar, D. Bharathi, Hema 

作者机构：Department of Bioengineering SIMATS Engineering SIMATS University Chennai India SIMATS Engineering SIMATS University Chennai India Alliance College of Engineering and Design Alliance University - Central Campus Bengaluru India Department of Physical Science and Information Technology AEC&RI Tamil Nadu Agricultural University Coimbatore India 

出 版 物：《Biotechnology and Applied Biochemistry》 (Biotechnol. Appl. Biochem.)

年 卷 期：2025年第0期

页      面：2025 Feb 3页

核心收录：

学科分类：0710[理学-生物学] 1004[医学-公共卫生与预防医学(可授医学、理学学位)] 1002[医学-临床医学] 1001[医学-基础医学(可授医学、理学学位)] 08[工学] 09[农学] 0901[农学-作物学] 0836[工学-生物工程] 0803[工学-光学工程] 090102[农学-作物遗传育种] 

主　　题：Electromyography 

摘      要：This study examines the disparities between people suffering from chronic lower back pain (LBP) and those who do not, with a particular focus on how extended periods of sitting with poor posture affect fatigue and discomfort in the sternocleidomastoid (SCM) muscles among office employees. Eighty university staff and students were enrolled in the study by matching age, BMI, and type of job. They were split into two groups later: a control group (n = 40) with no back pain and a pain group (n = 40) with a history of lower back pain (LBP). Pain intensity was measured using a Visual Analog Scale (VAS), while SCM muscle activity was measured via surface electromyography (sEMG) during both normal and hunched postures. Participants maintained each posture for a specified duration of 30 min. The study revealed that Pain_Hunched group exhibited significantly reduced SCM muscle activity compared to the Control_Hunched group (mean difference = −9.728, p © 2025 International Union of Biochemistry and Molecular Biology, Inc.