2019 Myology Abstract – Changes in 4SC over Two Years in DMD 2019 WMS Abstract – Lean Body Mass and Motor Function in DMD Patients 2019 WMS Abstract – Estimating Changes in NSAA and 4SC in DMD ESTIMATING CLINICALLY MEANINGFUL CHANGE THRESHOLDS IN THE NORTH STAR AMBULATORY ASSESSMENT (NSAA) AND FOUR-STAIR CLIMB (4SC) IN DUCHENNE MUSCULAR DYSTROPHY (DMD) View the Full PDF