Critical Appraisal Rikke Beyer, Mads Kongsgaard, Birgitte Hougs Kjær, Tommy Øhlenschlæger, Michael Kjær and S. Peter Magnusson.   Heavy Slow Resistance Versus Eccentric Training as Treatment for Achilles Tendinopathy : A Randomized Controlled Trial. Am J Sports Med 2015 43: 1704 originally published online May 27, … Continue reading Eccentric vs Concentric strengthening for tendinopathy