Acquired Myopathy

Question 1

acquired myopathies include:

Answer 1

• inflammatory myopathy
• infectious myopathies (HIV)
• toxic or drug related
• myopathy associated with systemic disease

Question 2

etiology

Answer 2

all of the above types of acquired myopathies results in muscle cell structure and/or metabolism dysfunction

Question 3

signs and symptoms

Answer 3

• muscle cramps and pain with exertion fatigue
• weakness that progresses in proximal to distal direction
• pt reports difficulty with overhead activity, getting in and out of chair and stairs

Question 4

examine

Answer 4

• gait/balance: pelvic girdle weakness
• functional test: difficulty with stairs/steps
• strength testing: proximal mm weakness
• sensory testing: normal
• skin changes with dermatomyositis (butterfly rash, scaling rash on extensor surface of fingers)
• joint pain
• associated symptoms with endocrine disorders

Question 5

diagnosis

Answer 5

-history/physical exam
- lab test (identify etiology)
- nerve conduction/EMG study
- muscle biopsy

Question 6

PT goals

Answer 6

• maintain maximal function
• provide balance exercise program with focus on functional activities that do not overwork or fatigue damaged muscles
• teach energy conservation