“…Instead, many studies use patient-reported pain (on a Visual Analog Scale) with tendon loading activity as a main outcome measure to determine the success of treatment. Sometimes, it is the investigator that grades the success of treatment based on patient-reported improvements (Clement et al, 1984, Lowdon et al, 1984, Nelen et al, 1989, Leach et al, 1992, Niesen-Vertommen et al, 1992, Schepsis et al, 1994, Alfredson et al, 1998b, Angermann and Hovgaard, 1999, Paavola et al, 2000b, Mafi et al, 2001, Testa et al, 2002, Öhberg and Alfredson, 2002, Alfredson and Lorentzon, 2003a, Gill et al, 2004, Koenig et al, 2004, Paoloni et al, 2004, Öhberg et al, 2004b, Costa et al, 2005, Alfredson and Öhberg, 2005d.…”