These data provide preserved soft anatomy that independently validate the ancestral theropod flight system. The heavily constructed shoulder and more weakly constructed chest in the early pygostylian ...

Using the Catalyst CSR™ Total Shoulder System can improve accuracy and precision of restoring the humeral anatomy according to a new study.

A canal-sparing total shoulder arthroplasty system that uses multiplanar osteotomy may restore proximal humeral anatomy with improved accuracy and precision compared to a stemmed arthroplasty ...