Bethlem Myopathy 1, also known as bethlem myopathy, is related to collagen vi-related dystrophies and ullrich congenital muscular dystrophy 1. An important gene associated with Bethlem Myopathy 1 is COL6A1 (Collagen Type VI Alpha 1 Chain), and among its related pathways/superpathways are ERK Signaling and Integrin Pathway. Affiliated tissues include skeletal muscle and skin, and related phenotypes are muscle weakness and flexion contracture