Start in an elbow or full plank. Draw one knee to the outside shoulder. Return to plank and repeat while alternating sides.SignUpLogInGoPRO+WorkoutsWorkoutTrainerFeaturedBrowsebycategoryFindaWorkoutExerciseHow-toLibraryCommunityRecentlyAddedMostPopularProgramsFeaturedBrowseByGoalFindaProgramCommunityMostPopularTrainersOnlinePersonalTrainingI'maTrainerVerifiedTrainersAvailableTrainersFeaturedDirectoryUpdatesOrganizationsSearchCommunityForumsWorkoutTrainerMembersRecentlyActiveRecentUpdatesSkimbleLeadersPhotoGalleryTeamsOverviewFeaturedCreateateamJoinateamExerciseHow-toLibraryHowtodo:SpidermanPlanksPrimaryMuscleGroups:UpperAbs,LowerAbs,LeftObliques,RightObliques,TransverseAbdominisSecondaryMuscleGroups:SideShoulders,FrontShoulders,Triceps,Biceps,HipFlexors,QuadsRequiredEquipment:NoEquipmentCategories:Bodyweight‹›DescriptionStartinanelboworfullplank.Drawonekneetotheoutsideshoulder.Returntoplankandrepeatwhilealternatingsides.SimilarExercisesYogaBicyclesHalfSidePlanksStandingBackbendingStretchBurpeePull-UpsRightLateralNeckStretchLeftLateralNeckStretchExercisesthatworkthesameMusclesMedicineBallJackknifeTorsoTwistwithBandGoodMorningMedicineBallCatchesBallReverseCrunchesYogaBicyclesPush-UpswithLateralRaiseExerciseswiththesameEquipmentStandingPigeonCoolDownJoggingYogaBicyclesRunataSteadyPaceHalfSidePlanksHighIntensityRunningPopularExercisesPush-UpsBurpeesPlankDownwardFacingDogChild'sPoseBicycleCrunchesExerciseCategoriesMovementTypesBodyweightStrengthCardioCrossfitDanceseemore...TransitionsWarmupCooldownRestSportSpecificRunningBikingRockClimbingMuscleGroupsAdductorsBicepsCalvesFrontShouldersGluteMaxseemore...EquipmentBodyweightHomeGymFullGymDumbbellStabilityBallseemore...