background: the world health organization estimates that in 2015 there will be approximately 2.3 billion overweight adults and more than 700 million obese individuals worldwide. excess weight can lead to several complications, such degenerative diseases. aim: to estimate the frequency and local of musculoskeletal pain in the lower limbs before and after bariatric surgery. methods: cross-sectional descriptive study consisting of 22 obese individuals who filled in questionnaires before and six months after undergoing bariatric surgery. data were shown through a descriptive analysis. the statistical analysis was performed with significance level at 5%. results: musculoskeletal pain in the lower limbs was placed preoperatively in 87.5% in the ankle and foot, knee 80% and 91.7% in the hip. postoperative pain remained present in 12.5% in the ankle and foot, knee 20% and 8.3% in the hip, with statistical significance (p <0.001). conclusion: obese people who underwent bariatric surgery experienced a marked reduction in both frequency and intensity of musculoskeletal pain located in order in the hip, ankle and foot, and knee.