Search results for "Intrinsic stability"

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Optimal positioning of the humeral component in the reverse shoulder prosthesis.

2014

Total reverse shoulder arthroplasty is becoming more and more the standard therapeutic practice for glenohumeral arthropathy with massive lesions of the rotator cuff. The biomechanical principle of this prosthesis is represented by the reversion of the normal anatomy of the shoulder joint. This non-anatomical prosthesis leads to a medialization of the rotation centre of the glenohumeral joint and also to a distalization of the humeral head. All that causes a deltoid tension increasing so allowing a larger abduction of the arm. Main complications of the reverse shoulder prosthesis are due to the joint instability, the scapular notching and the wear of the polyethylene insert. The main goal o…

musculoskeletal diseasesmedicine.medical_specialtyFEM analysesmedicine.medical_treatmentReplacementDeltoid curveProsthesis DesignProsthesisArthroplastyArthropathymedicineHumansOrthopedics and Sports MedicineHumerusRotator cuffArthroplasty ReplacementSettore ING-IND/15 - Disegno E Metodi Dell'Ingegneria IndustrialeTotal reverse shoulder arthroplasty Intrinsic stability FEM analyses Polyethylene wear Stability ratioFEM analyses; Intrinsic stability; Polyethylene wear; Stability ratio; Total reverse shoulder arthroplasty; Arthroplasty Replacement; Humans; Humerus; Prosthesis Design; Shoulder Joint; Orthopedics and Sports Medicine; Surgery; Medicine (all)business.industryShoulder JointMedicine (all)Intrinsic stabilityHumerusShoulder Prosthesismedicine.diseaseArthroplastySurgerymedicine.anatomical_structurePolyethylene wearStability ratioTotal reverse shoulder arthroplastySurgeryShoulder jointbusinesshuman activitiesMusculoskeletal surgery
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