Standing and Supine Hamstring Stretching Are Equally Effective.

OBJECTIVE: To evaluate the relative effectiveness of standing and supine hamstring stretching in increasing hamstring flexibility as measured by increasing range of motion at the knee. DESIGN AND SETTING: The trial was randomized, and the setting was local academic physical therapy and physical therapist assistant programs. SUBJECTS: Twenty-nine healthy subjects who exhibited limited hamstring muscle flexibility bilaterally (22 women, 7 men, 25.