Even the best abs workouts can start to get a little repetitive if you do them all the time, and mixing up your training not only keeps it interesting, but also ensures you challenge your core in new ways so no muscle is left behind.
If you like to try new things, this eight-move core routine from fitness trainer Kyle Knapp is sure to be of interest. Each of the eight moves involves a twist on classic abs exercises like planks and bird-dogs — sometimes quite literally, you’ll be doing a lot of twisting in the moves to improve your rotational strength.
