I think you are looking for Deltoid but there are more muscles than just the deltoid that can move the arm at the shoulder joint (such as teres major/minor, latissimus dorsi, pectoralis major, subscapularis, supraspinatus, infraspinatus just to name a few)
The scientific name for the shoulder muscle is the deltoid muscle.
The deltoid muscle is located around the shoulder at the top. There is a deltoid muscle that is located on each shoulder.
The scientific name for the shoulder blade is the scapula.
which shoulder muscle allows you to adduct your arm
the shoulder muscle extends the arm
The shoulder muscle that is considered the strongest supinator is the biceps brachii.
The Deltoid muscle .
The Neck Muscle
The deltoid muscle is the big muscle on the shoulder. It has three parts; the front or anterior, middle and back or posterior. It involves the shoulder joint.
Trapezius Muscle!
No, it is the shoulder muscle.
in behind your shoulder