Myopathy, Myofibrillar, 9, with Early Respiratory Failure, also known as hereditary myopathy with early respiratory failure, is related to muscular dystrophy, limb-girdle, autosomal recessive 10 and cardiomyopathy, dilated, 1g. An important gene associated with Myopathy, Myofibrillar, 9, with Early Respiratory Failure is TTN (Titin), and among its related pathways/superpathways are Cellular response to heat stress and Striated muscle contraction pathway. Affiliated tissues include skeletal muscle and heart, and related phenotypes are gait disturbance and skeletal muscle atrophy