Introduction the muscle stretching is widely used to gain extensibility and flexibility, it is important to know the duration of these effects, after return to usual activity level. Thus, the aim of this study was to analyze the effect of three protocols of hamstring and paravertebral lumbar muscles stretching, and joint flexibility and muscle extensibility after six weeks. Methods participants were 40 volunteers, with limited hamstring extensibility, randomized into three groups: active stretching static (n = 14), proprioceptive neuromuscular facilitation (n = 14) and kinesiostretching (n = 12). The protocol was divided into 3 stages: the 1st control (six weeks), the 2nd application of stretch (six weeks) and the 3rd follow-up (eight weeks). The project was approved by the Ethics Committee on Human Research Unioeste, under protocol number 25536/2008. Four evaluations were conducted with board coupled to a system and goniometry and Well´s bench, distributed at the beginning and end of each step. Data were analyzed with repeated measures ANOVA, and one-way, with a significance level of 5%. Results there was no significant difference for the three groups in the control stage. There were significant differences in the three protocols in the stage of stretching. After follow-up stage, there was significant difference in the ratings to the board goniometry, and there was no difference in the Well’s Bench. Conclusion the three techniques promoted significant gain in extensibility and flexibility, extensibility was not maintained after the follow-up stage, and the flexibility of the posterior chain continued gains.
Boldrini CM, Tomé F, Moesch J, Mallmann JS, Oliveira LU, Roberti NF et al. Avaliação da confiabilidade intra e interavaliadores e intertécnicas para três instrumentos que mensuram a extensibilidade dos músculos isquiotibiais. Fit Perf J. 2009 set-out;8(5):342-8. RESUMOIntrodução: A medida da amplitude de movimento (ADM) é importante nas avaliações terapêuticas. Avaliou-se a confiabilidade intra e interavaliadores e intertécnicas para três instrumentos que mensuraram a extensibilidade dos isquiotibiais. Materiais e Métodos: A amostra foi composta por universitários (n=20/22,6±1,5 anos), foi mensurada a extensibilidade dos músculos isquiotibiais do membro inferior direito, e, para isto, analisou-se a ADM do joelho por meio de três instrumentos: goniômetro universal (GU), goniômetro fixo (GF) e prancha de goniometria (PR). Ao todo foram seis avaliadores, dois por instrumento (avaliadores A e B). A confiabilidade foi obtida pelo índice de correlação Interclasses (ICC). Resultados: A confiabilidade intraavaliador foi heterogênea, sendo: ausente (GFA); moderada (GUB); alta (GUA e PRB) e muito alta (GFB e PRA). A confiabilidade interavaliador foi baixa para o GF e alta para os demais instrumentos; já a intertécnica foi alta entre GU e PR, porém foi moderada quando envolveu o GF. Discussão: Observou-se que o GU e a PR têm maior confiabilidade que o GF e, na prática clínica, isso permite ao examinador escolher o instrumento que lhe é mais acessível. PALAVRAS-CHAVEReprodutibilidade dos Testes; Artrometria Articular; Amplitude de Movimento Articular. The measurement of range of motion (ROM) is important in therapeutic evaluations. It was evaluated the reliability intra and inter-valuators and inter-techniques, for three tools that measured the extensibility of the hamstring. Materials and Methods: The sample was composed of university students (n=20 /22.6±1.5 years). It was measured the extensibility of hamstring muscles of the right lower limb, and for this, ROM of the knee was examined by means of three tools: universal goniometer (UG), fixed goniometer (FG) and board goniometry (BO). There were six valuators in all, two by instrument (valuators A and B). The reliability was obtained by the index of correlation interclasses (ICC). Results: The intra-valuators reliability was heterogeneous, being: absent (FGA); moderate (UGB); high (UGA and BOB) and very high (FGB and BOA). The intervaluators reliability was low for the FG and high for the other tools; while the inter-technique was high between UG and BO, but moderate when involving the FG. Discussion: It was observed that UG and BO are more reliable than FG and, in the clinical practice, allows an examiner to choose the tool that it is more accessible to him.
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