Barriers to Therapeutic Exercise in Breast Cancer Patients Before, During, and After Chemotherapy

"The present approved ethics committee includes the conduct of two studies. In the first one, a cross-sectional study, breast cancer patients will be distributed in the study groups according to the moment of their chemotherapy treatment (group 1: pre-chemotherapy, group 2: during chemotherapy, group 3: post-chemotherapy). Each patient will undergo a single evaluation session, which will include the variables detailed in the following section.~In the second, a longitudinal study, patients from the previous study in group 1 (pre-chemotherapy) will be followed up. Patients will receive three assessments of the variables detailed in the following section: 1) during the time prior to the start of chemotherapy (assessment that will coincide with study 1), 2) assessment during chemotherapy treatment and, 3) assessment after the end of chemotherapy treatment."