Side Lying External Rotation - Beginner Rotator Cuff Strengthening Exercise
Exercise Overview
Side lying external rotation is a foundational rotator cuff strengthening exercise that targets the shoulder’s external rotator muscles with good mechanical isolation. It is often prescribed for early-stage rehabilitation to improve shoulder stability, control, and tolerance for daily arm movements.
Muscles Involved
InfraspinatusTeres minorPosterior deltoidSupraspinatusScapular stabilizers
Related Conditions
Rotator cuff tendinopathyShoulder impingement syndromePost-operative rotator cuff rehabilitationGlenohumeral instabilityShoulder pain with weaknessLabral-related shoulder dysfunction
