Introduction: The value of dynamisation of statically locked intramedullary (IM) nails in the treatment
of delayed-union of the tibia has been poorly documented. Many authors report no effect
on the speed of fracture union. We performed a biomechanical study using cadaveric
bones to measure the forces required to compress and distract the interfragmentary
gap in a tibial shaft fracture model fixed by IM nailing in dynamisation mode. We
also measured interfragmentary movements that occur under physiological loading conditions
with the IM nails statically locked.
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© 2011 Published by Elsevier Inc.
