label: X-linked myopathy with postural muscle atrophy
label_lc: x-linked myopathy with postural muscle atrophy
description: "X-linked myopathy with postural muscle atrophy is a rare progressive muscular dystrophy characterized by an adult-onset scapulo-axio-peroneal myopathy. Clinical presentation includes shoulder girdle atrophy, scapular winging, axial muscular atrophy of postural muscles combined with a generalized hypertrophy. Typically, neck rigidity, rigid spine, Achilles tendon shortening, and respiratory insufficiency later in disease course are present."