The teres major muscle is a thick and powerful muscle located on the posterior side of the upper arm. It is used to assist in the movement of the shoulder joint, specifically in movements such as extension, adduction, and internal rotation of the arm. The teres major works in conjunction with other muscles in the upper arm to provide stability and strength during activities like lifting, throwing, and reaching overhead.
The teres major muscle is a thick and powerful muscle located on the posterior side of the upper arm. It is used to assist in the movement of the shoulder joint, specifically in movements such as extension, adduction, and internal rotation of the arm. The teres major works in conjunction with other muscles in the upper arm to provide stability and strength during activities like lifting, throwing, and reaching overhead.