Step by step instructions, muscle activation and variants for the Shoulder Internal Rotation.
Shoulder medial rotation, also known as internal rotation, is a mobility drill that rotates the upper arm inward toward the body's midline. It engages the subscapularis and anterior deltoid, and is an important component of balanced shoulder mobility and rotator cuff function.
Common mistakes content is coming soon.
The Shoulder Internal Rotation is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.