Júlia G Reis, Gustavo C Costa, André Schmidt, Cristine H J Ferreira, Daniela C C Abreu
{"title":"Do muscle strengthening exercises improve performance in the 6-minute walk test in postmenopausal women?","authors":"Júlia G Reis, Gustavo C Costa, André Schmidt, Cristine H J Ferreira, Daniela C C Abreu","doi":"10.1590/s1413-35552012005000022","DOIUrl":"https://doi.org/10.1590/s1413-35552012005000022","url":null,"abstract":"<p><strong>Background: </strong>Walking speed seems to be related to aerobic capacity, lower limb strength, and functional mobility, however it is not clear whether there is a direct relationship between improvement in muscle strength and gait performance in early postmenopausal women.</p><p><strong>Objective: </strong>To evaluate the effect of muscle strengthening exercises on the performance of the 6-minute walk test in women within 5 years of menopause.</p><p><strong>Methods: </strong>The women were randomized into control group (n=31), which performed no exercise, and exercise group (n=27), which performed muscle strengthening exercises. The exercises were performed twice a week for 3 months. The exercise protocol consisted of warm-up, stretching, and strengthening of the quadriceps, hamstring, calf, tibialis anterior, gluteus maximus, and abdominal muscles, followed by relaxation. Muscular strength training started with 60% of 1MR (2 series of 10-15 repetitions), reaching 85% until the end of the 3-month period (4 series of 6 repetitions each).</p><p><strong>Results: </strong>The between-group comparisons pre- and post-intervention did not show any difference in distance walked, heart rate or blood pressure (p>0.05), but showed differences in muscle strength post-intervention, with the exercise group showing greater strength (p</p><p><strong>Conclusion: </strong>The results suggest that muscle strengthening of the lower limbs did not improve performance in the 6-minute walk test in this population of postmenopausal women.</p>","PeriodicalId":520766,"journal":{"name":"Revista brasileira de fisioterapia (Sao Carlos (Sao Paulo, Brazil))","volume":" ","pages":"236-40"},"PeriodicalIF":3.4,"publicationDate":"2012-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1590/s1413-35552012005000022","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40172532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fabiana A Foltran, Roberta F C Moreira, Mariana O Komatsu, Mariana F Falconi, Tatiana O Sato
{"title":"Effects of an educational back care program on Brazilian schoolchildren's knowledge regarding back pain prevention.","authors":"Fabiana A Foltran, Roberta F C Moreira, Mariana O Komatsu, Mariana F Falconi, Tatiana O Sato","doi":"10.1590/s1413-35552012005000023","DOIUrl":"https://doi.org/10.1590/s1413-35552012005000023","url":null,"abstract":"<p><strong>Background: </strong>Children are often exposed to ergonomic risk factors at school. Thus, the school is a potential environment for developing musculoskeletal disorders and implementing back care programs.</p><p><strong>Objectives: </strong>To evaluate the effect of an educational program on schoolchildren's knowledge regarding back pain prevention.</p><p><strong>Methods: </strong>392 students from 4th to 8th grade from a Brazilian state school took part in the study; 114 students (30%) were evaluated at follow-up. The back care program included pre- and post-intervention assessments and a follow-up assessment, as well as theoretical and practical lessons. The time interval between the pre- and post-intervention assessments was 9 weeks, and between the post-intervention and follow-up assessments, it was 2 years. Statistical analysis included non-parametric ANOVA tests. Significance level was set at 5% (p<0.05).</p><p><strong>Results: </strong>There was a significant increase (p<0.001) between pre- (3.6±2.9) and postintervention (7.5±2.2) scores and a significant decrease in the follow-up score (5.1±2.5). However, the follow-up score was still significantly higher (p<0.001) than the pre-intervention score. The rate of correct answers in the post-intervention assessment increased for all questions, and some of them were still high at follow-up. Significant differences were identified for the comparison between grades, with the 8th grade being significantly different from the other grades.</p><p><strong>Conclusion: </strong>The back care program showed an increase in the level of knowledge of Brazilian schoolchildren. Two years after the intervention, students still retained ergonomic concepts. Although the program has limitations, theoretical knowledge acquisition is the first step towards adopting healthy postural habits to prevent back pain.</p>","PeriodicalId":520766,"journal":{"name":"Revista brasileira de fisioterapia (Sao Carlos (Sao Paulo, Brazil))","volume":" ","pages":"128-33"},"PeriodicalIF":3.4,"publicationDate":"2012-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1590/s1413-35552012005000023","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40172531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fabiana O Chaise, Cláudia T Candotti, Marcelo L Torre, Tássia S Furlanetto, Patricia P T Pelinson, Jefferson F Loss
{"title":"Validation, repeatability and reproducibility of a noninvasive instrument for measuring thoracic and lumbar curvature of the spine in the sagittal plane.","authors":"Fabiana O Chaise, Cláudia T Candotti, Marcelo L Torre, Tássia S Furlanetto, Patricia P T Pelinson, Jefferson F Loss","doi":"10.1590/s1413-35552011005000031","DOIUrl":"https://doi.org/10.1590/s1413-35552011005000031","url":null,"abstract":"<p><strong>Background: </strong>The need for early identification of postural abnormalities without exposing patients to constant radiation has stimulated the development of instruments aiming to measure the spinal curvatures.</p><p><strong>Objective: </strong>To verify the validity, repeatability and reproducibility of angular measures of sagittal curvatures of the spine obtained using an adapted arcometer, by comparing them with Cobb angles of the respective curvatures obtained by using X-rays.</p><p><strong>Methods: </strong>52 participants were submitted to two procedures designed to evaluate the thoracic and lumbar curvatures: (1) X-ray examination from which the Cobb angles (CA) of both curvatures were obtained, and (2) measuring the angles with the arcometer (AA). Two evaluators collected the data using the arcometer, with the rods placed at T1, T12, L1 and L5 spinous processes levels in a way as to permit linear measurements which, with aid of trigonometry, supplied the AA.</p><p><strong>Results: </strong>There was a very strong and significant correlation between AA and CA (r=0.94; p<0.01), with no-significant difference (p=0.32), for the thoracic curvature. There was a strong and significant correlation for the lumbar curvature (r=0.71; p<0.01) between AA and CA, with no-significant difference (p=0.30). There is a very strong correlation between intra-evaluator and inter-evaluator AA.</p><p><strong>Conclusion: </strong>It was possible to quantify reliably the thoracic and lumbar curvatures with the arcometer and it can thus be considered valid and reliable and for use in evaluating spinal curvatures in the sagittal plane.</p>","PeriodicalId":520766,"journal":{"name":"Revista brasileira de fisioterapia (Sao Carlos (Sao Paulo, Brazil))","volume":" ","pages":"511-7"},"PeriodicalIF":3.4,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1590/s1413-35552011005000031","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40121933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}