I mentioned it in a previous weekend workout post, but I think it bears repeating: having 6-pack abs doesn’t mean you have a strong core. Your rectus abdominis muscles make up your 6-pack, but to improve overall core strength you need to perform exercises that strengthen your pelvic floor muscles, obliques, transversus abdominis, erector spinae and more.

One such exercise that strengthens all these areas is the plank. I recommend performing the plank variation workout below in interval format (30 sec work/30 sec rest) for 15-25 minutes. Don’t forget to warmup and modify the workout to match your fitness level.

If you complete this or any weekend workout, please let us know in the comment section below OR you can send us a pic/video of you doing the workout on social media (Facebook, Instagram or Twitter). ENJOY!