<unk>  is a group of rare genetic disorders that cause muscle damage and weakness, predominantly in the hands and/or feet. Mutation of many different genes can be causative. Many types involve dysferlin.
Distal myopathy
Calpainopathy
Hereditary neuralgic amyotrophy
Nemaline myopathy
Brody myopathy
Inflammatory myopathy
Cuban neuropathy
Metabolic myopathy