ResultadosĪ maior incidência de sintomas foi na região lombar em ambos os grupos. Para a análise estatística foi realizado ANOVA para medidas repetidas, com acompanhamento do teste de Tukey post hoc para força e pico torque de quadriceps e isquiotibiais e o teste de Qui quadrado com bondade de ajuste para a frequência dos sintomas osteomusculares. Os sintomas osteomusculares (Questionário Nórdico), o pico de torque isométrico (célula de carga) e a força muscular (10 RM) foram avaliados antes e após a intervenção. O treinamento consistiu em 2 séries de 15 repetições de exercícios para quadríceps e isquiotibiais, 2 vezes por semana, durante 7 semanas, sendo realizados com 50% de 10 Repetições Máximas (10RM) (1a-4a semanas) e com 60% de 10RM (5a-7a semanas). Trinta e uma professoras foram divididas em dois grupos: controle (GC, n = 15) e treinamento de resistência muscular (GT, n = 16). ObjetivoĪvaliar os efeitos do treinamento de resistência muscular na força muscular e nos sintomas osteomusculares relacionados aos membros inferiores de professoras do ensino público fundamental. Work-related musculoskeletal disorders Teachers ExerciseĪ prática de exercício físico é indicada para reduzir a incidência de sintomas osteomusculares em professores. Thus, results suggest that the duration of intervention may not have been enough to increase peak torque and decrease musculoskeletal symptoms. The exercise program performed in this study increased the dynamic strength in the TG in relation to the CG, but did not alter the incidence of symptoms in the lumbar region and lower limbs in neither of the groups. Training caused increased muscle strength of the quadriceps and hamstrings, but there were no significant differences in either the peak torque in the quadriceps and hamstrings or in the reduction of musculoskeletal symptoms. The highest incidence of symptoms was found in the lumbar region in both groups.
ANOVA for repeated measures and Tukey post hoc were used to analyse strength and peak torque of quadriceps and hamstrings and Chi-square goodness-of-fit test were used to analyse the frequency of occurrence of osteomuscular symptoms.
Musculoskeletal symptoms (Nordic Musculoskeletal Questionnaire), isometric peak torque (Load cell) and muscle strength (10RM) were assessed before and after intervention. The training consisted of two sets of 15 repetitions of exercises for quadriceps and hamstring muscle groups, twice a week, for 7 weeks, which were conducted with 50% of 10 repetition maximum(10RM) (first to fourth week) and 60% of 10 RM (fifth to seventh week). Thirty-one female teachers were divided into two groups: control (CG, n = 15) and muscular endurance training (TG, n = 16).
To evaluate the effects of muscular endurance training on muscle strength and musculoskeletal symptoms related to the lower limbs of public elementary school teachers. Physical exercise is indicated to reduce the incidence of musculoskeletal symptoms in teachers.
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