90 Degrees External Rotation - How to strengthen the rotator cuff
Exercise Overview
This exercise targets the rotator cuff, especially the shoulder external rotators, in a 90-degree abducted position that is important for overhead function and joint stability. It is commonly used to improve shoulder strength, dynamic control, and tolerance for throwing, lifting, and reaching activities.
Muscles Involved
InfraspinatusTeres minorPosterior deltoidSupraspinatusMiddle trapeziusLower trapeziusSerratus anterior
Related Conditions
Rotator cuff weaknessShoulder impingement syndromeGlenohumeral instabilityPost-operative rotator cuff rehabilitationLabral injury rehabilitationOverhead athlete shoulder dysfunction
