I think we're seeing this issue from different perspectives. If the goal is to allow people to regain ambulation, then hip replacement does the job. Athletics? Not so much.You're missing the point
http://regressing.deadspin.com/could-modern-medicine-have-saved-bo-jacksons-career-1443105382
Unlike knees and shoulders, there's still considerable debate about the precise biomechanical workings of the hip. As recently as 2008, scientific literature points out discrepancies in the number of ligaments and their precise functions. While this sounds bizarre (what, you can't just count them?), it's understandable once you dig a little deeper. These ligaments are indistinct thickenings of the hip capsule rather than differentiated connections. Which is to say, they're just places your hip's tissue has decided to glob together.
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Return to athletic activity is both possible and encouraged. However, "athletic activity" is a limited term. All high-impact sports are strictly discouraged, as even jogging will place loads up to 5.5 times body weight on the replacements. Considering the hip, the list of high-impact sports includes baseball, basketball, volleyball, american football, running, soccer, waterskiing, and others.
Me, either.but at this point, I no longer care.