Activities of daily living with reverse prostheses: importance of scapular compensation for functional mobility of the shoulder.
These authors used a 3-dimensional model to reproduce the movement of the scapula and humerus, during 4 activities of daily living. They found that with the 36-mm glenosphere, contact between the humerus and glenoid occurred with the arm at the side and when reaching the back pocket (upper figure). Lateralizaton of the glenosphere minimized this unwanted contact and the need for scapular compensation (lower figure).
Glenopsphere lateralization has two other advantages: it provides enhanced stability by "East-West" soft tissue tensioning and it optimizes the function of the residual external rotators by putting them under tension.
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You may be interested in some of our most visited web pages including:shoulder arthritis, total shoulder, ream and run, reverse total shoulder, CTA arthroplasty, and rotator cuff surgery as well as the 'ream and run essentials'
See from which cities our patients come.
See the countries from which our readers come on this post.
