5 MIN HARDEST AB WORKOUT (MUST TRY!)

can you do the hardest 5 min ab workout??? let me know in the comments! No equipment needed to do this one, but that doesn't make it easy.. Start your free 7-day trial of my fitness & food app: https://apps.apple.com/nl/app/gainsby... I'm working together with WHOOP and have been wearing the band for years to track my recovery and adjust training intensity based on this, I track my sleep, menstrual cycle, daily steps, calories burned and much much more. if you'd love to try it for free for one month, you can use this link: http://join.whoop.com/gainsbybrains 🎵 Copyrighted music licensed from Lickd. https://lickd.co Magenta Riddim by DJ Snake, https://t.lickd.co/l/3rLG93lRYNy music from epidemic sound www.epidemicsound.com Disclaimer: To avoid any injuries or harm, make sure you check your health with your doctor before exercising. This channel offers health, fitness and nutritional information. You should not rely on this information as a substitute for, nor does it replace, professional medical advice, diagnosis, or treatment. By performing any fitness exercises without supervision like with this video, you are performing them at your own risk. See a fitness professional to give you advice on your exercise form. TRAIN WITH GAINSBYBRAINS will not be responsible or liable for any injury or harm you sustain as a result of this video.