1. Sit with involved leg extended.
2. Contract quadriceps muscle on the front of the leg to push back of knee down to the floor/table.
3. Hold exercise for 10 seconds.
4. Do 1 set of 10 repetitions, every hour.
5. Special instructions
a. Do not hold your breath during the exercise.
Courtesy of Tomah Memorial Hospital, Department of Physical Therapy, Tomah, WI; Elizabeth C.K. Bender, MSPT, ATC, CSCS; and Whitney Gnewikow, DPT, ATC.