The Norwegian EXercise and Atrial Fibrillation Study (NEXAF) is a collaborative project within afib.no addressing research questions related to exercise and atrial fibrillation. The project includes three main work packages:

Work package 1 is a randomized controlled trial of a 12-month exercise intervention in atrial fibrillation patients. This is a national multicenter study led by Bjarne Martens Nes, K.G. Jebsen Center of Excellent Research Group (CERG), Norwegian University of Science and Technology (NTNU), with participation from several afib.no members. The study has received funding from both Helse Midt-Norge and The Norwegian Health Association (Nasjonalforeningen).

Work package 2 is another randomized controlled trial investigating effects of reduced exercise intensity, and mechanisms for atrial fibrillation in endurance athletes with atrial fibrillation. This international multicenter study is led by Marius Myrstad, Bærum hospital, with participation from CERG in Trondheim, the Baker Heart and Diabetes Institute in Melbourne, Australia, and Leuven University Hospital in Leuven, Belgium. The study has been funded by The Norwegian Health Association.

Work package 3 is an epidemiological study of physical activity and long-term outcomes in patients with atrial fibrillation, led by Bente Morseth, the Arctic University of Norway, Tromsø. The study has been funded by Helse Nord.

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