Interesting article outlining latest research on how increasing your step-rate can reduce pain in your knee joints. Peter Larsen describes running with barefoot shoes versus running with Hokas and concludes that running with barefoot shoes allows you to increase your step-rate and run with a short and quick movements.
In contrast, running with Hokas will cause your knees to be stiff. Conclusion? Try running barefoot. Read more at http://www.runblogger.com/2013/08/how-can-both-barefoot-running-and-hokas.html.