Level of pain catastrophising determines if patients with long-standing subacromial impingement benefit from more resistance exercise: predefined secondary analyses from a pragmatic randomised controlled trial (the SExSI Trial)
Mikkel Bek Clausen, Michael Skovdal Rathleff, Thomas Graven-Nielsen, Thomas Bandholm, Karl Bang Christensen, Per Hölmich, Kristian Thorborg
British Journal of Sports Medicine Jul 2023, 57 (13) 842-848; DOI: 10.1136/bjsports-2022-106383