: A new core exercise on the left, which needs some form work. On the right is one of many exercises used to fire the glutes. This is something I need to work on more for my back's sake. #training #trackandfield #tracknation #trackaddict #gymrat #goals #gains #glutes #core #weightlifting #resistancebands #athlete #fit #fitmomma #fitness #fitfam #runner #runnersworld