Lethal Congenital Contracture Syndrome 6, also known as lccs6, is related to arthrogryposis, distal, type 1a and lethal congenital contracture syndrome 1. An important gene associated with Lethal Congenital Contracture Syndrome 6 is ZBTB42 (Zinc Finger And BTB Domain Containing 42). Affiliated tissues include skeletal muscle, and related phenotypes are polyhydramnios and decreased fetal movement