
The 'rotator cuff' is a group of tendons arising from muscles that go from scapula to humerus, and whose actions allow rotation and balancing of the shoulder.
Together the tendons form a kind of 'cuff' around the upper end of the humerus.
Jobe Supraspinatus test, Empty Can and Centinella test

Kelly´s test
Patte´s test
External rotation test

Whipple test
Codman´s Palpation test

ERLS test (External Rotation Lag sign)

Deltoid Lag Sign
Drop sign
Dropping sign
Drop arm test
Painful Arc
Hornblower`s sign
IRLS test (Internal Rotation Lag Sign)
Napoleon´s test

The muscles whose tendons make up the rotator cuff include:
- Teres minor
- Infraspinatus
- Supraspinatus
- Subscapularis