Effects of a workplace program of physical exercise on flexibility and perception of musculoskeletal pain among office workers / Efeitos de um programa de exercícios físicos no local de trabalho sobre a flexibilidade e percepção de dor musculoesquelética entre trabalhadores de escritório

AUTOR(ES)

Valquíria Aparecida de Lima

DATA DE PUBLICAÇÃO

2009

RESUMO

This study was designed to evaluate the effects of a workplace exercise program on flexibility and perception of muscular pain among office workers, and their relationship with the weekly frequency of participation. Forty nine office employees from a pharmaceutical company in the city of Sao Paulo were randomized into three groups according to the number of proposed weekly sessions: twice (RG2), three (RG3) and five (RG5) times respectively). The program included 10 minutes exercise sessions of stretching, resistance training, self-massage, massage and relaxation techniques for a six-month period. Participants also took part in three short lectures during the period of the program. A dual-scale inclinometer was used to measure wrist and cervical spine flexibility and the fingertip-to-floor test was used to estimate the low back range of flexibility. The short version of the Wisconsin Brief Pain Questionnaire was used to assess muscular pain perception. Evaluations were carried out at Baseline (M0), and after 3 (M3) and 6 (M6) months. Kolmogorov- Smirnov test was applied to test normality of quantitative variables. TWO-WAY ANOVA with Tukeys test was used as a multiple comparison method to evaluate differences over time for normal distributions. Statistics for the fingertip-to-floor test and body pain intensity were obtained by ANOVA and Friedman and Wilcoxon test, respectively. Data demonstrated statistically significant improvement in flexibility of the cervical and lumbar spine and wrists in all groups of randomization. The RG5 presented the most significant decrease of reported pain intensity. This study demonstrated that participating in a well-structured workplace program of physical exercises may contribute to improve flexibility and decrease the musculoskeletal pain intensity.

ASSUNTO(S)

local de trabalho pain percepção workers workers health trabalhadores exercícios de alongamento muscular perception dor muscular stretching exercises saúde do trabalhador workplace cumulative traumatic disorders transtornos traumáticos cumulativos

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