The Hornblower’s Sign is a trusted orthopaedic assessment for evaluating the integrity of the teres minor and infraspinatus. A positive sign may indicate a tear, especially in patients with posterior shoulder weakness or suspected rotator cuff pathology. 📽️ This demonstration is part of the Physiopedia Plus video library, where clinicians can explore a wide range of expert-led assessment techniques to support confident, evidence-based practice. 🔗 Access more assessment videos https://members.p

Teres Minor Muscle A key member of the rotator cuff, teres minor plays an essential role in shoulder stability and controlled movement. Origin: Upper 2/3 of the lateral border of the scapula Insertion: Inferior facet of the greater tubercle of the humerus Nerve supply: Axillary nerve (C5–C6) Function: • External (lateral) rotation of the arm • Assists adduction • Stabilizes the humeral head in the glenoid cavity Clinical insight: Weakness in external rotation with an intact deltoid may suggest t