All of the different types affect different regions of the extremities and can show up as early as 5 years of age to as late as 50 years old.<unk>  has slow progress therefore the patient may not know that they have it until they are in their late 40s or 50s. Miyoshi myopathy affects the posterior muscles of the lower leg, more so than the anterior muscles of the lower leg.
Distal myopathy
Calpainopathy
Hereditary neuralgic amyotrophy
Nemaline myopathy
Brody myopathy
Inflammatory myopathy
Cuban neuropathy
Metabolic myopathy