Dumbbell Lying External Rotation



Muscles

Target
Infraspinatus

Synergists
Teres Minor
Deltoid, Posterior

Stabilizers
Rhomboids
Wrist Extensors

Instructions

Preparation
Lie on side with legs separated for support. Grasp dumbbell and position elbow against side and forearm across belly.

Execution
Lift dumbbell by rotating shoulder. Return and repeat. Flip over and continue with opposite arm.

Comments
Maintain elbow against side and fixed elbow position (90° angle) throughout exercise. Also see Dumbbell Shoulder External Rotation Errors.

Source: exrx.net