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With a standard total shoulder arthroplasty (TSA) it relies on an intact rotator cuff to control the humeral component much like the native shoulder. Because of superior humeral head migration, eccentric loading on the glenoid component resulted in a "rocking-horse" motion and loosening of the glenoid component. As a result of this loosening, this procedure would be abandoned for a more yielding procedure, the reverse total shoulder arthroplasty ..>>read more

Raising a child requires attending to their needs as vulnerable beings. This includes feeding, sheltering, nurturing, and protecting them from harm. There are many dangers in the world and one serious hazard is disease. Humans are resilient and intelligent creatures; and will go to great lengths to ensure the survival of our species. Pathogens such as viruses are capable of mass extinction and this threat has motivated humans to ..>>read more