Dental Journal - Journal of Universitas Airlangga [PDF]

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Idea Transcript


201

Dental Journal

(Majalah Kedokteran Gigi) 2016 December; 49(4): 201–205

Research Report

Correlation between working positions and lactic acid levels with musculoskeletal complaints among dentists Fiory Dioptis Putriwijaya,1 Titiek Berniyanti,2 and Indeswati Diyatri3 1 Department of Dental Public Health, Institut Ilmu Kesehatan Bhakti Wiyata, Kediri - Indonesia 2 Department of Dental Public Health, Faculty of Dental Medicne, Universitas Airlangga, Surabaya-Indonesia 3 Department of Oral Biology, Faculty of Dental Medicne, Universitas Airlangga, Surabaya-Indonesia

abstract

Background: Musculoskeletal complaints have been common for dentists since their body is unknowingly often in inappropriate positions when caring for patients. For example, they bend towards patients, suddenly move, and then rotate from one side to another. The repetitive movements are done in long term. High activities and sufficient recovery time can cause a buildup of lactic acid in their blood leading to obstruction of the energy intake from the aerobic system in their muscle cells, resulting in fatigue. As a result, such conditions trigger decreased muscle performances. Purpose: This study aimed to determine the correlation between working positions and lactic acid levels with the risk of musculoskeletal disorders among dentists at Public Health Centers in Surabaya. Method: This research was an analytical observational research using cross sectional approach. Sampling technique used in this research was cluster random sampling with nineteen samples. To evaluate the working positions of those samples, a rapid entire body assessment (REBA) method was used. Meanwhile, to observe the musculoskeletal disorders of those samples, a Nordic body map was used. Data obtained then were analyzed using Pearson correlation test with a significance level (p

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