Rowe, DavidMahar, Matthew T.2019-12-022019-12-022013-10-04US Pat# US20130282156A1http://hdl.handle.net/10342/7548A portable exercise apparatus for use by a user performing push-ups includes: a detection device; and a suspension member adapted to suspend the detection device from the user. When the detection device is suspended from the user by the suspension member, the apparatus is operative to indicate execution of a compliant push-up by the user.enexercisemeasurementstandardizationPatent