The Effects of physical fitness enhancement by using the bodyweight training program on physical fitness muscle strength knowledge of ergonomics The level of back pain of employees in wholesale and retailer construction company
Keywords:
Body weight training programs, Physical fitness, Ergonomics, pain levelsAbstract
This quasi-experimental, one-group, pre-posttest design research aimed to study the effects of physical fitness enhancement from using a bodyweight training program on the physical fitness, muscle strength, knowledge of ergonomics, and the level of back pain of the employees of wholesale and retail construction companies. The participants were 45 employees in departments that lift, transport, and move materials for three construction material wholesale and retail establishments which were selected by purposive sampling. The participants received an 8-week body weight training program. Research tools included general information questionnaires, knowledge of ergonomics assessments, and lower back pain assessment forms used to collect data at the baseline and the completion of the program. Physical fitness was assessed using leg and back muscle strength, measured by dynamometer, and flexibility, measured by a sit and reach box test. Descriptive statistics were used for data analysis. Percentages, means, standard deviations, and paired t-tests were used to make comparisons of the study variables, including knowledge of ergonomics, blood pressure, body mass index, leg extension strength, back extension strength, flexibility, and low back pain. The results showed that after the experiment, the participants had a statistically significantly higher mean score on overall ergonomics knowledge at p<.001, and the number of those whose systolic blood pressure (p<.001) and BMI (p=.008) were within normal limits increased. Compared to before the program, the mean lower back pain total pain score was significantly lower at p<.001, the mean physical fitness scores were significantly higher at p<.001, with the highest was flexibility (p<.001), followed by leg stretch (p=.001) and back strength (p=.001) at the end of the program. The findings of this study suggest that this physical fitness enhancement model using an employee bodyweight training program can be used to increase physical fitness, as well as prevent or reduce the severity of lower back pain from lifting work.
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