The deltoids are located over the shoulder joint and attach to the humerus and clavicle.
The lateral rotator cuff flexes and extends the arm. Your deltoids are constantly in use.
Some examples of this action include reaching for an item in a high cabinet, giving or receiving a hug.
The lats are the major muscles of the back, and they play a crucial role in both arm mobility and spinal stabilization.
The lats extend from the back of the neck to the thighs.
The arm and stretch the arm overhead are two of its many functions.
The biceps are the most noticeable part of an arm since they run the length of the upper arm from the shoulder to the elbow.
These muscles help us swing the forearm out to the side when the elbow is bent at 90 degrees.
The triceps are the three separate muscles that make up the rear of the upper arm.
These are the long head, the lateral head, and the medial head.
Putting down a glass of water requires the use of the triceps muscle.