ABSTRACT Limb girdle muscular dystrophy (LGMD) is a heterogeneous genetically determined group of skeletal muscle disorders. Among the 24 reported subtypes of LGMD, limb- girdle muscular dystrophy type 2A (LGMD2A) is caused by mutations in the calpain 3 (CAPN3) gene. In Pakistan, consanguineous marriages are common due to social, ethnic and traditional customs which is a leading cause of calpainopathy. In the present study, two families (A, B) showing clinically distinct autosomal recessive limb girdle muscular dystrophy type 2A were evaluated genetically. Any other abnormality was not...