Rolandic Anatomy
Lesser Tubercle
AI-powered interactive skeletal anatomy for medical and surgical education
A small bump on the front of the humerus. This is where the "Subscapularis" muscle (the strongest rotator cuff muscle) attaches; if this is torn, you can't rotate your arm toward your body.
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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.