A client is experiencing muscle weakness in the upper extremities. The client raises an arm above the head but then loses the ability to maintain the position. Muscular dystrophy is suspected. Which diagnostic test would evaluate muscle weakness or deterioration?A) A serum calcium testB) An electromyographyC) An arthroscopyD) A magnetic resonance imaging (MRI)

An electromyography.

Explanation:

The muscle plays an important role in the movement control of the body. The muscle gets weaken due to external as well as internal factors like genetic factors and life style.

The electromyography is the medical diagnostic technique used for the determination of the electrical activity of the human muscles. The results are produced in the form of electrical signals and used to analyze the abnormality in the muscles.

Thus, the correct answer is option (B).

A client is experiencing muscle weakness in the upper extremities The client from BSC. The client raises an arm above the head but then loses the ability to maintain the position.Which diagnostic test would evaluate muscle weakness or deterioration? A)A serum calcium testB)An electromyographyC)An arthroscopyD)A .

Explanation: It's in the answer.

c- dynamic stretching