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The population of the United States is aging – by 2030, the US Census Bureau estimates that 1 in 5 will be 65 or older. The rapid increase in the size of this population is expected to significantly impact orthopaedic practice especially. The aging process, a normal decline in cell, tissue, and organ function, ultimately leads to progressive changes in the physiology of all the components of the musculoskeletal...
The efficiency of the flexor tendon system was examined in a human cadaver model. Pulleys were randomly sectioned, and the results were evaluated on the basis of the tendon excursion, force generated at the fingertip, and the work (force multiplied by distance) involved, as compared to the intact pulley system. When a single minor pulley (A1 or A5) was cut, there was no statistical difference in work...
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