A Comparative Electromyographic Analysis of Muscle Fatigue in Traditional Handwriting, Typing, and the Palmer Method: Implications for Ergonomic Writing Practices

Writing and typing are fundamental tasks in academic and professional settings, yet prolonged engagement often contributes to musculoskeletal disorders (MSDs) of the wrist, forearm, and neck.Handwriting techniques, learned early in life and maintained throughout adulthood, play a critical role in shaping ergonomic outcomes.The Palmer handwriting method, developed in the early 20th century to emphasize whole-arm rather than finger-centric movement, has largely fallen out of practice with the rise of typewriting and digital communication.This study investigates writing methods as one the understudied root causes of musculoskeletal disorders.The study compares muscle fatigue across three writing methods: traditional handwriting, typing, and the Palmer method using surface electromyography (sEMG).Twenty-four healthy participants performed standardized 10-minute tasks in each method, followed by fatigue assessments of the wrist, forearm, and neck.Results show that the Palmer method produced the lowest levels of muscle fatigue and the fastest muscle activation, followed by typing, while traditional handwriting generated the highest fatigue and slowest activation.These findings highlight the Palmer method as the most ergonomically efficient approach in terms of muscles fatigue and muscle activation pattern that can induce musculoskeletal disorders in the long term.The study provides evidence-based recommendations for promoting healthier writing practices and suggests that reintroducing ergonomic techniques such as the Palmer method could support high percentage of people through reducing fatigue and the risk of MSDs among students, office workers, and professionals engaged in prolonged writing tasks.