Deltoid Muscle Anatomy and Function
The deltoid muscle is the main muscle of the shoulder. A triangle-shaped muscle, it helps move your upper arm and stabilizes the shoulder joint.
Source: Verywell Health
Grant H. Garcia, MD Orthopedic Surgeon & Sports Medicine Specialist View Doctor Profile
The deltoid muscle is the main muscle of the shoulder. A triangle-shaped muscle, it helps move your upper arm and stabilizes the shoulder joint.
Source: Verywell Health