The highlighted muscle in the image that is involved in lateral and medial rotation of the arm is called deltoid muscle, as further explained below.
<h3>What is the deltoid muscle?</h3>The deltoid muscle is located on top of our shoulder articulation, which means we have one on each side of the body. It is considered a powerful muscle, and is responsible for allowing us to perform certain movements of rotation with our arms.
As we analyze the image provided, we can see that the highlighted muscle is the deltoid muscle.
The missing image to answer this question can be found attached.
Learn more about muscles here:
#SPJ1
