 The BIRMINGHAM HIP Preserves Bone Density
Bone gets denser when regularly loaded. If left unloaded, the bone atrophies, becoming less dense. Because a total hip is fixed about a third of the way down from the top of the remaining leg bone, the upper part of the leg bone loses density over time. A BIRMINGHAM HIP loads the upper leg bone more like the way that it is loaded normally.
This is demonstrated in studies showing bone density improving from the pre-operated state(1). These studies show a decrease in the bone density of THRs, which has been demonstrated in many other studies.
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