craven2bfit_pt: Plank variation and plank. For beginner try the plank variation either way hold for 45-60 seconds, 3-4 sets. Thanks to @cravenfitnesschick for her assistance in the video. #snapfitness #nfpt #personaltraining #planksalot #hardwork #gymrat #beastmode #core #craven2bfit #cravenfitnesschick #coreweek