Step by step instructions, muscle activation and variants for the Arm Up Rotator Stretch.
A unilateral stretch performed with the arm raised and bent overhead to target the rotator cuff muscles and posterior shoulder. It improves shoulder mobility and is commonly used as a warm-up or cooldown for pressing and overhead movements.
The Arm Up Rotator Stretch 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.
