When I find myself in a slump, I try at-home workouts. They normally help me get back in the groove of things, and they can be incredibly effective. Sometimes, I create my own, but there's countless at-home workouts on Google and YouTube that get the job done, too.
Below is a quick workout I found a while back while searching for effective ways to strengthen my core. At only 10 minutes and no equipment, it works your entire midsection. Check it out below!