Oregon Lower Extremity Range of Motion (LE ROM) is a comprehensive system of assessment and treatment for lower extremity musculoskeletal dysfunction. It involves a standardized set of assessments and exercises designed to address impairments of the lower extremities. The assessments include passive range of motion (PROM), active range of motion (FROM), muscle strength, gait analysis, and postural analysis. The exercises focus on stretching, strengthening, and improving balance and coordination. There are three main types of Oregon Lower Extremity Range of Motion: 1. Knee Range of Motion: This type of assessment and treatment focuses on the range of motion of the knee joint and the muscles that surround it. Exercises focus on stretching, strengthening, and improving balance and coordination of the knee. 2. Hip Range of Motion: This type of assessment and treatment focuses on the range of motion of the hip joint and the muscles that surround it. Exercises focus on stretching, strengthening, and improving balance and coordination of the hip. 3. Ankle Range of Motion: This type of assessment and treatment focuses on the range of motion of the ankle joint and the muscles that surround it. Exercises focus on stretching, strengthening, and improving balance and coordination of the ankle.