Atrophy of sternomastoid muscles is found in :
a. Myasthenia gravis
b. Huntington’s chorea
c. Myotonic dystrophy
d. Duchenne’s dystrophy
a. Myasthenia gravis
b. Huntington’s chorea
c. Myotonic dystrophy
d. Duchenne’s dystrophy
Ans. C: In myotoic
dystrophy there is persistence of contraction of muscle and the patient is
unable to relax his muscles after contraction.
The muscle become weak and wasting of muscles occur. Mostly muscle of head and neck are involved.
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