16 Exercise can effectively ameliorate type 2 diabetes and insulin resistance. Here we show that the 17 mRNA levels of one of peroxisome proliferator-activated receptor (PPAR) family members, 18 PPARγ1, and genes related to energy metabolism, including PPARγ coactivator-1 protein α 19 (PGC-1α) and lipoprotein lipase (LPL), increased in the gastrocnemius muscle of habitual 20 exercise-trained mi...