The Nurse Is Preparing to Admit a 10-Year-Old Child with Duchenne

The nurse is preparing to admit a 10-year-old child with Duchenne muscular dystrophy. What clinical features of Duchenne muscular dystrophy should the nurse recognize? (Select all that apply.)

A) Calf muscle hypertrophy
B) Late onset, usually between 6 and 8 years of age
C) Progressive muscular weakness, wasting, and contractures
D) Loss of independent ambulation by 9 to 12 years of age
E) Slowly progressive, generalized weakness during adolescence