internal rotation

The lesser tubercle of the right humerus is a critical anatomical landmark in the shoulder region, playing a key role in the stability and movement of the upper arm. This article delves into the detailed anatomy of the lesser tubercle, its physical characteristics, and its clinical relevance for medical students and professionals exploring shoulder mechanics.

The insertion of the subscapularis muscle on the lesser tubercle is a vital aspect of shoulder anatomy, crucial for understanding upper limb function and stability. This article provides a comprehensive exploration of this anatomical feature, offering valuable insights for medical students studying the musculoskeletal system and its clinical implications.