Evidence summary (Updated 2022)
Those with Type 2 Diabetes have lower fitness levels than those without . Meta-analysis of RCTs have shown that regular exercise is associated with improved fitness. Higher intensity exercise is associated with greater improvements in cardiorespiratory fitness [1-3].
Quality of evidence
Strength of recommendation
It is strongly recommended that people with Type 2 DM are recommended to be physically active on a regular basis to improve fitness.
 Boulé NG, Kenny GP, Haddad E, Wells GA, Sigal RJ. Meta-analysis of the effect of structured exercise training on cardiorespiratory fitness in Type 2 diabetes mellitus. Diabetologia. 2003 Aug;46(8):1071-81.
 Cassidy S, Thoma C, Houghton D, Trenell MI. High-intensity interval training: a review of its impact on glucose control and cardiometabolic health. Diabetologia. 2017 Jan;60(1):7-23.
 Regensteiner JG, Sippel J, McFarling ET, Wolfel EE, Hiatt WR. Effects of non-insulin-dependent diabetes on oxygen consumption during treadmill exercise. Med Sci Sports Exerc. 1995 Jun;27(6):875-81.