What muscle group is directly contributing to this condition?

A 43 year old female client presents with pain in the right hand with episodes of pins and needles and occasional numbness. Upon inspection you notice a slight bluish discoloration of her arm and sensitivities of her right anterior neck. She claims to be under a lot of stress at work and she has been working overtime lately at a desk job typing 8-10 hours a day.

What muscle group is directly contributing to this condition?
A . SCM
B. Flexors of the forearm
C. Scalene muscles
D. Braehioradialls

View Answer

Answer: C

Explanation:

The brachial plexus is a nerve bundle that supplies the arm and hand. The root of the nerve innervates the scalene muscles where a hypertonicity can compress the nerve plexus as well as the subclavian artery and vein.