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Changes in gait parameters depending on the walking velocity and the use or not of the phone. Trial (1)—walking without a phone with comfortable velocity. Trial (2)—walking without a phone with fast velocity. Trial (3)—walking with the phone with comfortable velocity. Trial (4)—walking with the phone with fast velocity. SLL [cm]—step length left, SLR [cm]—step length right, SW [cm]—step width.
