A client has a rotator cuff injury due to her job as a factory worker. The client is having issues with a pinching pain at the biceps tendon insertion with abduction. Which muscle is most likely to not be working effectively?

Question

Quizplus · Accepted Answer

The supraspinatus muscle is responsible for initiating abduction of the arm (the first 15 degrees), and is often the first rotator cuff muscle to be injured or compromised. A rotator cuff tear or strain can result in weakness of the muscle, leading to a pinching pain at the biceps tendon insertion with abduction.

A Client Has a Rotator Cuff Injury Due to Her