… J Appl Physiol. 2007 May;102(5):1815-23. Clarkson, PM, Kearns AK , Rouzier P, Rubin R, Thompson PD. Serum creatine kinase levels and renal function measures in … J Appl Physiol. 2007 May;102(5):1815-23. Clarkson, PM, Kearns AK , Rouzier P, Rubin R, Thompson PD. Serum creatine kinase levels and renal function measures in …