Ullrich Congenital Muscular Dystrophy 2, also known as ucmd2, is related to bethlem myopathy 1 and ullrich congenital muscular dystrophy 1. An important gene associated with Ullrich Congenital Muscular Dystrophy 2 is COL12A1 (Collagen Type XII Alpha 1 Chain). Affiliated tissues include bone, and related phenotypes are flexion contracture and motor delay