Stretching Demonstration: Lower Extremities Our CureDuchenne Certified Physical Therapists demonstrate at-home stretching techniques. Doug Levine, PT CureDuchenne Certified Physical Therapist CureDuchenne See more from same speaker Video x Share this: Beginning the Journey - diagnosed 0-3 yearsGrowth and Transformation - diagnosed 3-6 yearsSpreading Wisdom - diagnosed 6+ years