Impact of Digital Boards on Hand and Neck Muscle Activity during Online Teaching Process

Autor/inn/en	Shankar, S.; Naveenkumar, R.; Nithyaprakash, R.; Narmatha, S.; Sai, R. Rithic; Nandhakumar, M.
Titel	Impact of Digital Boards on Hand and Neck Muscle Activity during Online Teaching Process
Quelle	In: Education and Information Technologies, 27 (2022) 4, S.5627-5640 (14 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1360-2357
DOI	10.1007/s10639-021-10854-z
Schlagwörter	Online Courses; Educational Technology; Technology Uses in Education; Human Body; Physiology; Human Factors Engineering; College Faculty; Fatigue (Biology); Educational Equipment + Suchen Sie Ihr Suchwort? Online course; Online-Kurs; Unterrichtsmedien; Technology enhanced learning; Technology aided learning; Technologieunterstütztes Lernen; Menschlicher Körper; Physiologie; Fakultät; Fatigue; Ermüdung; Ausrüstung
Abstract	Academicians across the globe due to COVID-19 shifted to online teaching as a mainstream method by replacing the chalk and talk method. The main objective of this study is to find the impact of different sizes of digital boards used for online teaching on muscle activity and muscle fatigue, and then results are compared with conventional writing. Initially, a questionnaire survey is conducted among 100 college professors about the issue they faced while using online teaching methods. Experimental analysis are then conducted using electromyography sensor (sEMG) among ten college professors and their muscle activity on the dominant hand and neck while writing on two commercially available digital boards namely Type 1 (small writing area) and Type 2 (large writing area). Four muscles namely Flexor carpi radialis, Extensor carpi radialis, Biceps brachii, and Sternocleidomastoid (SCM) are chosen for the study. The results are then compared with muscle activity while writing on conventional A4 sheets. Normalized root mean square (RMS) is used to assess the muscle activity and the trend line of MPF value is utilized to assess the muscle fatigue. The results show that SCM muscle has more muscle activation compared to other selected muscles followed by flexor carpi radialis. Subjective analysis is carried out using the Borg scale, which has reported that Type 2 digital board having larger working area was preferred by the participants as it reduces muscle fatigue. (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01