II. Technique
- Compare with opposite arm
- Test isometric strength (resisted)
- Use standard Strength Grading in Motor Exam (from 1 to 5, with 5 normal strength)
III. Interpretation
- Pain suggests Tendonitis
- Weakness suggests Rotator Cuff Tear
IV. Exam: Specific Movements
-
Shoulder Abduction
- Deltoid muscle
- Supraspinatus muscle
- Scapulothoracic articulation can abduct, with shrugging, even a Frozen Shoulder up to 65 degrees
-
Shoulder adduction
- Pectoralis major muscle
-
Shoulder flexion
- Biceps muscle
-
Shoulder extension
- Latissimus dorsi muscle
-
Shoulder Internal Rotation
- Subscapularis muscle
-
Shoulder External Rotation
- Infraspinatus muscle
- Teres minor muscle
V. Exam: Specific Muscle Tests
- Subscapularis Muscle (Shoulder Internal Rotation)
- Teres Minor Muscle (Shoulder External Rotation)
- French Horn Shoulder Test with Shoulder External Rotation (Teres Minor)
- Supraspinatus Test Muscle (Shoulder Abduction)
- Bicipital Tendon
