This sign is seen in all the following disorders EXCEPT?
d. Spinal muscular atrophyThe given picture shows a child using his upper limb to help him get up from sitting position; This is called 'Gower sign'
Duchenne muscular dystrophy
Becker's muscular dystrophy
Landouzy-Dejerine disease
Spinal muscular atrophy
Musculo Skeletal Disorders