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Evaluation of ergonomic factors and postures that cause muscle pains in dentistry students' bodies.

Shirzaei M, Mirzaei R, Khaje-Alizade A, Mohammadi M - J Clin Exp Dent (2015)

Bottom Line: The musculoskeletal disorders are probable prolonged in working hours in static positions, incorrect work postures, implying more force and even tools and instruments.Therefore, students who are aware of ergonomic principals of their own profession would be able to maintain their health through activities and lifelong.Key words:Posture, dentistry, students, musculoskeletal pain.

View Article: PubMed Central - PubMed

Affiliation: Assistant Professor of mouth diseases and member of the research center of Dentistry Faculty of Zahedan, Iran.

ABSTRACT

Background: Work-related musculoskeletal disorders commonly experienced by dental professionals are one of the main occupational health problem affecting their health and well-being.This study was conducted to evaluate ergonomic factors and profession-related postures and also investigate relationship between demographic factors and work condition with pain in dental students.

Material and methods: 60 freshman and sophomore dentistry students were randomly chosen as the subjects of control group, and 60 of 5th and 6th-year students were selected as the members of exposure group. Data related to the subjects such as sex, doing exercise, severity of musculoskeletal pain were obtained through questionnaire. Students' postures were directly observed while treating patients and they were scored by REBA method. Data were analyzed by SPSS software using Man-Whitney, Kruskal-Wallis, Spearman and Kendall correlation tests.

Results: 80.8% of the subjects were not aware of the correct ergonomic postures for dental procedures. Severity of musculoskeletal pain in the exposure group (15.9± 4.2) was significantly higher than the control group (10.5 ±3.2), (p <0.001). Risk of the most subjects (84%) was at the medium level. Students who were more involved in clinical activities experienced more muscular pains.

Conclusions: The musculoskeletal disorders are probable prolonged in working hours in static positions, incorrect work postures, implying more force and even tools and instruments. Therefore, students who are aware of ergonomic principals of their own profession would be able to maintain their health through activities and lifelong. Key words:Posture, dentistry, students, musculoskeletal pain.

No MeSH data available.


Related in: MedlinePlus

REBA Score sheet.
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Figure 1: REBA Score sheet.

Mentions: Physical posture and the potentiality of profession-related musculoskeletal disorders in the whole body were determined through REBA method (8-11). REBA method is a rapid and easy observational postural analysis tool for whole body activities which evaluate the ergonomics risk factor by observing the posture of employees while they are working at their workstation directly. Each of body organ postures is given a score by which posture scores are determined based on the figure 1 diagram. Accordingly, A and B scores are taken from the standard tables and loading/forced coupling scores are determined based on the load of the instrument to the hands while working (if load <11 lbs. =0, 11-22lbs=1and so on). Then loading score is added to scores A and B and finally REBA score are obtained and the risk level is determined based on Table 1 for corrective action decision.


Evaluation of ergonomic factors and postures that cause muscle pains in dentistry students' bodies.

Shirzaei M, Mirzaei R, Khaje-Alizade A, Mohammadi M - J Clin Exp Dent (2015)

REBA Score sheet.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4554244&req=5

Figure 1: REBA Score sheet.
Mentions: Physical posture and the potentiality of profession-related musculoskeletal disorders in the whole body were determined through REBA method (8-11). REBA method is a rapid and easy observational postural analysis tool for whole body activities which evaluate the ergonomics risk factor by observing the posture of employees while they are working at their workstation directly. Each of body organ postures is given a score by which posture scores are determined based on the figure 1 diagram. Accordingly, A and B scores are taken from the standard tables and loading/forced coupling scores are determined based on the load of the instrument to the hands while working (if load <11 lbs. =0, 11-22lbs=1and so on). Then loading score is added to scores A and B and finally REBA score are obtained and the risk level is determined based on Table 1 for corrective action decision.

Bottom Line: The musculoskeletal disorders are probable prolonged in working hours in static positions, incorrect work postures, implying more force and even tools and instruments.Therefore, students who are aware of ergonomic principals of their own profession would be able to maintain their health through activities and lifelong.Key words:Posture, dentistry, students, musculoskeletal pain.

View Article: PubMed Central - PubMed

Affiliation: Assistant Professor of mouth diseases and member of the research center of Dentistry Faculty of Zahedan, Iran.

ABSTRACT

Background: Work-related musculoskeletal disorders commonly experienced by dental professionals are one of the main occupational health problem affecting their health and well-being.This study was conducted to evaluate ergonomic factors and profession-related postures and also investigate relationship between demographic factors and work condition with pain in dental students.

Material and methods: 60 freshman and sophomore dentistry students were randomly chosen as the subjects of control group, and 60 of 5th and 6th-year students were selected as the members of exposure group. Data related to the subjects such as sex, doing exercise, severity of musculoskeletal pain were obtained through questionnaire. Students' postures were directly observed while treating patients and they were scored by REBA method. Data were analyzed by SPSS software using Man-Whitney, Kruskal-Wallis, Spearman and Kendall correlation tests.

Results: 80.8% of the subjects were not aware of the correct ergonomic postures for dental procedures. Severity of musculoskeletal pain in the exposure group (15.9± 4.2) was significantly higher than the control group (10.5 ±3.2), (p <0.001). Risk of the most subjects (84%) was at the medium level. Students who were more involved in clinical activities experienced more muscular pains.

Conclusions: The musculoskeletal disorders are probable prolonged in working hours in static positions, incorrect work postures, implying more force and even tools and instruments. Therefore, students who are aware of ergonomic principals of their own profession would be able to maintain their health through activities and lifelong. Key words:Posture, dentistry, students, musculoskeletal pain.

No MeSH data available.


Related in: MedlinePlus