Target your obliques from all angles using plank and crunch variations that include rotational, anti-rotational and lateral flexion movements. This combination is a killer way to not only develop functional core strength but train your obliques using all the movements they help power or control! And all you need is your own bodyweight! For a quick core finisher series, even combine just 3-4 of these for 30 seconds per move or per side and perform 2-3 rounds through the series at the end of your