Sentence examples for upper arm from inspiring English sources

The phrase "upper arm" is correct and can be used in written English.
It refers to the portion of the arm above the elbow and below the shoulder. You can use it in a sentence when describing a specific body part or when discussing an injury or exercise involving the upper arm. Example: After a long day of lifting heavy boxes, my upper arm muscles were sore and fatigued. Example: The doctor recommended physical therapy to strengthen the muscles in my upper arm after my shoulder injury.