Participants between the ages of 65-89, and individuals diagnosed with Parkinson’s disease between the ages of 45-89 are needed for a research study on walking. This study is being done to assess how well individuals can modify walking patterns. If you qualify, we anticipate that your participation in the study will span a single study visit, with a total time commitment of 3 hours. You will be compensated for your time. Contact Christopher Hurt at cphurt@uab.edu or  at 205-934-8517, if you are interested.