By Shephard, R. J., Astrand, P.–O.
By Wildman, Robert, Miller, Barry E.
By Williams, J.G.P.
By Radcliffe, J.C., Farentinos, R.C.
By Baechle, Thomas R.
By ACSM
By American College of Sports Medicine, Leonard A Kaminsky
By William D. McArdle, Victor L. Katch, Frank I. Katch
By Sharon A. Plowman, Denise L. Smith
By Lynch, Gordon S.
By Lyle, John, Cushion, Dr. Chris
By Wiggins, David K.
By Carroll, M. E., Manners, Hazel
By Gibbon, W. W.
By Sivananda Yoga Vedanta Centre
By Lilly MD, Leonard S
By Saunders, Stephanie, Longworth, Steve
By Brandão, Sofia, Da Roza, Thuane, Ramos, Isabel, Mascarenhas, Teresa
By Lennox MBChB FRCS(Orth)(Ed), C. M. E., McLatchie MB ChB FRCS, Greg
By Shephard, Roy J.
By Rockwood Jr. MD, Charles A., Wirth MD, Michael A., Fehringer, Edward V, Sperling, John W, Lippitt MD, Steven B., Matsen III MD, Frederick A.
By Dormans MD, John P.
By Nicola J. Petty
By Atkinson M.Sc, Karen, Coutts M.Sc, Fiona J., Hassenkamp M.Sc, Anne-Marie
By Brukner, Peter, Khan, Karim QC
By Maglischo, E.W.
By Bulstrode, Christopher, Buckwalter, Joseph, Carr, Andrew J., Fairbank, Jeremy, Marsh, Larry, Wilson-MacDonald, James, Bowden, Gavin
By Brukner, Peter, Khan, Karim
By Stephen S. Burkhart, Ian K.Y. Lo, Paul C. Brady