WNT3A and type 2 diabetes mellitus: Although there are many existing studies based on the improvement of bone metabolism in T2DM by exercise, and several studies have focused on bone phenotypic indicators such as BMD and bone biomechanics [5, 19], no related studies on the effects of different exercises on the expression of Wnt3a/β-catenin signalling pathway-related molecules and bone formation in T2DM mice have been conducted.