Anterior shoulder instability modifies glenoid subchondral bone density

Clinical Orthopaedics and Related Research
C SchulzMagdalena Müller-Gerbl

Abstract

Subchondral bone mineralization is used as a morphologic marker for individual stress distribution of joints and therefore may help to distinguish variations of glenohumeral contact. Therefore, an in vivo analysis was done to evaluate glenoid stress distribution in anterior glenohumeral instability by computed tomography osteoabsorptiometry. Patients with recurrent anterior glenohumeral dislocation, seven of posttraumatic and six of atraumatic origin, and an intact rotator cuff were grouped retrospectively and compared with healthy, age-matched shoulder specimens from cadavers (n = 13). Glenoid subchondral bone mineralization, including those in all patients with anterior glenohumeral instability, indicated a more anterior and inferior stress distribution compared with stable shoulders. The position of the anterior glenoid density maximum had shifted anteriorly and inferiorly whereas the position of the posterior maximum had shifted anteriorly. Analyzing results on the basis of cause, in posttraumatic instabilities, the shift of the anterior maximum mainly was anterior and in atraumatic instabilities, it mainly was inferior. Individual glenoid stress distribution in anterior glenohumeral instability can be assessed objectively ...Continue Reading

References

Jan 1, 1989·Journal of Biomechanics·D R CarterD P Fyhrie
Sep 1, 1995·The American Journal of Sports Medicine·B N RosenbergW N Levine
Jan 1, 1996·Acta Anatomica·H Anetzberger, R Putz
Aug 26, 1998·The Orthopedic Clinics of North America·J J Brems
Feb 1, 2000·Clinics in Sports Medicine·B J Cole, J J Warner
May 4, 2002·Journal of Shoulder and Elbow Surgery·Christoph U SchulzHans J Refior
Nov 20, 2002·Clinical Orthopaedics and Related Research·H AnetzbergerM Müller-Gerbl

❮ Previous
Next ❯

Citations

May 19, 2011·Surgical and Radiologic Anatomy : SRA·Valentin ZumsteinMagdalena Muller-Gerbl
Jul 3, 2013·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Valentin ZumsteinMagdalena Müller-Gerbl
Feb 2, 2019·Surgical and Radiologic Anatomy : SRA·Sebastian HoechelMagdalena Müller-Gerbl
Feb 1, 2012·Clinical Orthopaedics and Related Research·Tomohiro ShimizuTadanao Funakoshi
Dec 28, 2017·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Biren A PatelKristian J Carlson

❮ Previous
Next ❯

Related Concepts

Related Feeds

Aphasia

Aphasia affects the ability to process language, including formulation and comprehension of language and speech, as well as the ability to read or write. Here is the latest research on aphasia.