Muscle disease represents an important health threat to the general population. Unlike diseases affecting other tissues/organs, therapeutic options are quite limited for many inherited muscle diseases such as Duchenne muscular dystrophy. There is essentially no cure. Gene therapy holds great promise to correct the genetic defects and eventually achieve full recovery in these diseases. Significant progresses have been made in the field of muscle gene therapy over the last few years. A variety of new strategies, such as exon-skipping and RNAi, have greatly expanded the scope of muscle gene...