The findings indicate that CLBP affects the balance of both younger and older adults, and that the age-related changes also affect balance and modify the magnitude of CLBP effects on balance.

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Objective: To investigate the association between low back pain and functional capacity among non-institutionalized elderly persons. Method: A cross-sectional observational study of non-institutionalized elderly persons was performed. The Timed Up and Go (TUG) and Sitting-Rising Test (SRT) functional tests were used, together with the Roland Morris Disability Questionnaire (RMDQ). Result: A total of 99 elderly persons of both genders were included. Kendall's Correlation analysis showed a significant correlation between the RMDQ and the SRT scores for the act of sitting ( p=0.001) and the act of lifting ( p=0.028). Despite the statistical significance, these two variables were weakly correlated (r=-239;r=-163). The results also identified a statistically significant correlation between the TUG and SRT tests for the act of sitting (r=-222; p=0.003) and the act of lifting (r=-206; p=0.006). Conclusion: It was observed that most of the non-institutionalized elderly persons had good functional capacity. It is also possible to affirm that there is an association between low back pain and functional capacity.

Objective: The objective of this study was to analyze the functional status of adult and older adult individuals with lower back pain . Methods: Eighty-three individuals were recruited, 42 older adults (20 with lower back pain and 22 control group) and 41 younger adults (21 with lower back pain and 20 control group). Functional capacity was assessed using the following tests: Timed Up and Go (TUG), Five Times Sit-to-Stand (FTSTS), six-minute walking test (SMWT), and sitting-rising test (SRT) . Results: In the younger adults, there was no difference in functional capacity between the groups (p>0.05). On the other hand, when statistical analysis was adjusted using body mass index (BMI) as a covariate, the lower back pain group performed more poorly on the SRT (p<0.004). Furthermore, poorer physical capacity was seen in the older adults with back pain via the SRT test (p=0.001), and when the BMI was adjusted, a statistical difference was seen in the SRT as well as the SMWT (p<0.05) . Conclusion: Older individuals with lower back pain have poorer physical performance, and the sitting-rising test is the most discerning for assessment of functional status in individuals with lower back pain. Level of Evidence III, Retrospective Comparative Study.

do miocárdio - CRM é um dos procedimentos cirúrgicos mais comuns após IAM, com alta probabilidade de melhora da função ventricular, diminuição dos sintomas, melhor prognóstico e redução da morbimortalidade. O objetivo da pesquisa foi avaliar a capacidade funcional e força de quadríceps de pacientes submetidos a CRM. Foi realizado um estudo do tipo transversal, em pacientes com indicação de cirurgia eletiva de CRM. Os pacientes realizaram o teste de caminhada de seis minutos (TC6M) e dinamometria através do dinamômetro Microfet Handheld para avaliação da capacidade funcional e força do músculo quadríceps no pré-operatório e no 5º dia do pós-operatório, respectivamente. Houve redução significativa da distância percorrida no TC6M no 5º PO quando comparada aos valores do pré-operatório (p<0,05). A força muscular do quadríceps no 5o PO não demonstrou diferença significante quando comparada aos valores de pré-operatório. Apesar de apresentarem déficit na capacidade funcional no 5º dia de pós-operatório, os pacientes submetidos a CRM apresentaram preservação da força muscular de quadríceps.Palavras-chave: Força Muscular. Revascularização Miocárdica. Condicionamento Físico Humano.Abstract Cardiovascular diseases are the leading causes of death in developed and underdeveloped countries. Myocardial revascularization surgery (CABG) is one of the most common surgical procedures after AMI, with a high probability of improvement in ventricular function, a decrease in symptoms, a better prognosis and a reduction in morbidity and mortality. To evaluate the functional capacity and quadriceps strength of patients undergoing CABG. A cross-sectional study was performed in patients with elective CABG surgery. Patients underwent a sixminute walk test (6MWT) and dynamometry using the Microfet Handheld dynamometer to evaluate the functional capacity and strength of the quadriceps muscle in the preoperative period and on the 5th postoperative day, respectively. There was a significant reduction of the distance covered in the 6MWT in the 5th PO when compared to the preoperative values (p <0.05). The muscular strength of the quadriceps in the 5th postoperative did not show a significant difference when compared to the preoperative values. Although patients presented functional capacity deficit on the 5th postoperative day, patients undergoing CABG presented preservation of quadriceps muscle strength.Keywords: Muscle Strength. Myocardial Revascularization. Physical Conditioning, Human.