1. Lie on back with uninvolved knee bent so foot is on the floor/table.
2. Keep involved leg straight and raise foot to thigh level of uninvolved leg.
3. Return to starting position slowly.
4. Do 3 sets of 10 repetitions, 1 time a day.
Courtesy of Tomah Memorial Hospital, Department of Physical Therapy, Tomah, WI; Elizabeth C.K. Bender, MSPT, ATC, CSCS; and Whitney Gnewikow, DPT, ATC.