"Then you bring your right knee toward the right elbow in a Spider-Man-looking position to engage the oblique." Alternate sides to hit both sides of the obliques. In ...SkipNavViewOnOnePagePhoto3of5  ADVERTISEMENT()StartSlideshowShareThisLinkCopy←UseArrowKeys→3Spider-ManPlank:60Seconds"Thismoveissogreatbecauseitstabilizesyourentirecoreholdingthestandingplankposition,whereyourhandsareunderyourshoulderslikethepush-upposition,"saidErica."ThenyoubringyourrightkneetowardtherightelbowinaSpider-Man-lookingpositiontoengagetheoblique."Alternatesidestohitbothsidesoftheobliques.Inplank,openyourkneetothesideandbringyourkneetoyourelbowandalternatesides.Tomodify,justliftlegopentotheside.Repeatfor60seconds.PreviousNextStartSlideshowWorkoutsStrengthTrainingBodyweightExercisesAbWorkoutsBarry'sBootcampIntermediateWorkouts5-MinuteWorkoutsAbExercisesYouMayAlsoLikeProductReviewsThisSplurge-yWeightedJumpRopeSetIstheReasonI'mDown5PoundsbyAndreaJohnson2hoursagoInstagramReadytoSweat?These3NewInstagramLiveWorkoutsWillGetYourHeartPumpingbyMaggieRyan1dayagoWorkouts12ThemedPelotonRidesThatAreSuretoGetYourHeartPumpingbyKaleaMartin6daysagoWorkoutsWhatHappensIfanAthleteGetsCOVIDattheOlympics?WeHavetheAnswersbyJennySugar21hoursagoFitnessGearToneYourGlutes,Quads,andHamstringsWithTheseAnkleWeightsbyEmilyWeaver6daysagoWorkoutsAreCrunchesStrainingYourNeck?TryOneofTheseAbWorkoutsInsteadbyEmilyWeaver6daysagoFromOurPartnersNowYouKnowCelebrityNewsBillieEilishApologizesForMouthingaRacialSlur:"IAmAppalledandEmbarrassed"byKelsieGibson2hoursagoEntertainmentNewsT-PainSaysaCommentFromUsherAboutHisAuto-TuneSentHimIntoa4-YearDepressionbyKelsieGibson4hoursagoCelebrityNewsAvrilLavigneEnliststheHelpofIconic"Sk8erBoi"TonyHawkForHerNostalgicTikTokDebutbyKarennaMeredith20hoursagoEntertainmentNewsKevinBosemanIsHonoringBrotherChadwickWithaSpecialPerformance:"HeWasaHero"byMonicaSisavat22hoursagoEntertainmentNewsRachelLindsayDetailsPartingWaysFromBachelorFranchiseinPowerfulOp-EdbyKelsieGibson22hoursagoCelebrityNewsAlexRodri