Muscular Dystrophy, Limb-Girdle, Autosomal Recessive 26, is also known as lgmdr26. An important gene associated with Muscular Dystrophy, Limb-Girdle, Autosomal Recessive 26 is POPDC3 (Popeye Domain Containing 3). Affiliated tissues include skeletal muscle, and related phenotypes are proximal muscle weakness in lower limbs and proximal muscle weakness