三好氏远程肌肉无力症是一群主要是发生在手或脚的疾病，其中许多种和Dysferlin蛋白有关，但不是所有的三好氏远程肌肉无力症都是如此。是一种隐性遗传疾病。

Distal muscular dystrophy (or distal myopathy) is a group of disorders characterized by onset in the hands or feet. Many types involve dysferlin, but it has been suggested that not all cases do.

Types include:

DYSF is also associated with Limb-Girdle muscular dystrophy type 2B.