About the same time, his calves will begin to swell, though with fibrous tissue rather than with muscle and feel firm and rubbery; this condition gives DMD one of its alternate names, pseudohypertrophic muscular dystrophy.
Surgery is recommended at a much lower degree of curvature for DMD than for scoliosis due to other conditions, since the decline in respiratory function in DMD makes surgery at a later time dangerous.
The flaw leading to DMD prevents the formation of any dystrophin, while that of BMD allows some protein to be made, accounting for the differences in severity and onset between the two diseases.
About one third of boys with DMD experience specific learning disabilities, including trouble learning by ear rather than by sight and trouble paying attention to long lists of instructions.
Duchenne muscular dystrophy (DMD)-The most severe form of muscular dystrophy, DMD usually affects young boys and causes progressive muscle weakness, usually beginning in the legs.