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Definition

An autosomal recessive form of limb-girdle muscular dystrophy, a degenerative myopathy characterized by slowly progressive wasting and weakness of the proximal muscles of arms and legs around the pelvic or shoulder girdles, elevated creatine kinase levels and dystrophic features on muscle biopsy. LGMD2Y is characterized by muscle weakness initially involving the proximal lower limbs, followed by distal upper and lower limb muscle weakness and atrophy. Other features include joint contractures, rigid spine, and restricted pulmonary function. Cardiac involvement has been observed in some patients. Disease onset is in the first or second decades of life.

Acronym

LGMD2Y

Synonyms

Muscular dystrophy, limb-girdle, type 2y

Keywords

Limb-girdle muscular dystrophy