An exercise system is disclosed that is configured to provide mounting
surfaces for elastic resistance training elements. The system has a frame
having first and second vertical columns and one or more supports
configured to rest on a floor surface to maintain the frame in a
substantially vertical orientation. The system also has first and second
extendable members that are slideably disposed within the first and
second vertical columns, and one or more rings coupled to the first and
second extendable members that function as attachment points to secure
one or more elastic resistance training elements to the system. The
position of the rings is adjustable to allow a variety of exercises with
the elastic training element.