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THE DEVELOPMENT OF THE EXTENSOR DIGITORUM BREVIS MUSCLE IN PROGRESSIVE PROXIMAL MUSCULAR ATROPHIES
Author(s) -
Panayiotopoulos C. P.,
Scarpalezos S.
Publication year - 1977
Publication title -
acta neurologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.967
H-Index - 95
eISSN - 1600-0404
pISSN - 0001-6314
DOI - 10.1111/j.1600-0404.1977.tb01463.x
Subject(s) - muscular dystrophy , medicine , facioscapulohumeral muscular dystrophy , spinal muscular atrophy , anatomy , atrophy , muscle contracture , amyotrophy , pathology , disease
The development of the extensor digitorum brevis (EDB) muscle was studied in 39 healthy subjects, 27 patients with progressive proximal spinal muscular atrophy, 20 patients with limb‐girdle muscular dystrophy and three with facioscapulohumeral muscular dystrophy. The EDB muscle is spared and usually hypertrophic in patients with muscular dystrophy, whereas it is often atrophic and weak in patients with spinal muscular atrophy. It is proposed that the degree of development of the EDB muscle can be used as a clinical sign in the differential diagnosis of progressive muscular atrophies.