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1. Lie on back, flex the hip and knee of the involved leg, hold behind the knee, and pull it gently toward the chest.
2. Gently extend the knee to straighten the leg.
3. Hold stretch for 30 seconds.
4. Do 1 set of 4 repetitions, 3 times a day.
5. Repeat on the other leg.
Courtesy of Tomah Memorial Hospital, Department of Physical Therapy, Tomah, WI; Elizabeth C.K. Bender, MSPT, ATC, CSCS; and Whitney Gnewikow, DPT, ATC.