The LS engine remains the darling of the performance world, but does that mean all LS owners are looking for the same thing when it comes time for upgrades? Obviously not, or every LS story would be ...

Stan Wiggins, Houston, TX:I have a question regarding camshafts. What is retarding and what is advancing the camshaft? I mean, if I drill the cam sprocket and install a bushing, which way do I ...

Background: The extent to which fatigue is related to the velocity of shortening is still not fully understood. Objectives: To examine the effects of fatigue induced by maximal intensity exercise at ...

Aspetar—Qatar Orthopaedic and Sports Medicine Hospital, Athlete Health and Performance Research Centre, Doha, Qatar Correspondence to Dr Olivier Girard, Research and Education Centre, Aspetar—Qatar ...