and Answers Updated
2026
MusculoskeletalMFlexibilityM-
MAnswerTheMabilityMtoMmoveMaMjointMfreelyMthroughMitsMfullMROM
theMincidenceMofM"LowerMBackMPain"MinMtheMUnitedMStatesM-
MAnswer75Mmillion;M80%MisMattributedMtoMflexibility
WhatMisMtheMprimaryMcauseMofMlowerMbackMpain?M-MAnswerLowMFlexibility
DescribeMElasticMDeformationM-
MAnswerResultsMinMaMtemporaryMandMreversibleMchangeMinMlengthMofMtissueM(R
ubberband)
DescribeMPlasticMDeformationM-
MAnswerOccursMwhenMtissueMisMstretchedMbeyondMtheMelasticMcomponentMofMth
eMtissue.MItMresultsMinMrelativelyMpermanentMchange.
ExtensibilityMofMperiarticularMstructuresMtoMallowMforMnormalMorMphysiologicMmot
ionMofMaMjointMorMlimbM-MAnswerFlexibility
DegreeMofMabnormalMmotionMofMaMgivenMjointM-MAnswerJointMLaxity
PassiveMStiffnessM-MAnswerResultMofMfascialMtightnessMandMtitinMtension
ActiveMStiffnessM-MAnswer-
MTheMresultMofMdynamicMactivationMofMneuromuscularMstructures
,-
MMotorMneuronsMareMcontinuouslyMdischargingMatMlowMlevelsMtoMprovideMdyna
micMstiffnessMtoMmuscleMtendonMunit
HowMmuchMcanMcollagenMstretchMbeforeMreachingMtheMfractureMpoint?M-
MAnswer-
MToM10%MofMitsMoriginalMlengthMbeforeMitMruptures;MchronicMtensionMmayMallo
wMforMmutabilityMofMcollagen
PurposeMofMtheMGolgiMTendonMOrganM-MAnswer-MSensesMTENDONMstretch
-MCausesMmuscleMinhibitionM->MtellsMmuscleMtoMcalmMdown
(WithinMtendon:MtriesMtoMprotectMmuscle)
PurposeMofMMuscleMSpindlesM-MAnswer-MSensesMMUSCLEMstretch
-MTellsMmuscleMtoMactivate
(HiddenMwithinMtheMactinMandMmyosin)
FlexibilityMProgramMforMaMBeginnerM-MAnswer-MReps:M4-5
-MDuration:M30Msecs
-MFrequency:M5-6x/week
FlexibilityMProgramMforManMExperiencedMClientM-MAnswer-MReps:M4-5
-MDuration:M10Msecs
-MFrequency:M2-3x/week
WhenMwouldMyourMathletesMengageMinMaMfunctionalMflexibilityMprogramM-
MAnswerInMtheMwarm-up
CoreMmusculatureMisM-
MAnswertheMcontractableMlinkMbetweenMtheMupperMandMlowerMextremities
,WhenMcontracted,McoreMmusclesMprovideMaMstableMcenterMofMmovementMinMwhi
chM2MwaysM-MAnsweroMForceMisMdistributed
oMSpineMisMprotected
HowMcanMtrainingMtheMcoreMpreventMinjuryMandMimproveMperformanceM-
MAnswer-
MSingleMplane:MusedMtoMdevelopMbaselineMstrengthMandMcorrectMmuscleMimbala
nces
-MMulti-plane:MdevelopsMcoreMstabilityMandMimprovesMoverallMfunction
TransverseMAbdominusM-MAnswer-
MCompressMabdomen:MdeepestMofMabdominalMmuscles
oM"PullingMtowardsMtheMspine"
MultifidusM-MAnswerStabilizesMandMcompressesMvertebrae
QuadratusMLumborumM-MAnswer-MExtendsMlumbar
-MLaterallyMflexesMvertebralMcolumn
FiveMdifferentMtypesMofMcoreMexercises:M-MAnswer-MFlexion/Extension:
oMTrainMspineMflexorsMandMextensorsM(Situps)
-MLateralMFlexion:
oMTrainsMquadratusMlumborum,MhipMabductors,MobliquesM(Bridging)
-MRotation:
oMTrainsMobliques,MquadMlumborum,MhipMrotators,MglutesM(RussianMTwist)
-MStabilization:
oMTrainsMallMcoreMmuscles;MespeciallyMmultifidusMandMtransMabdominis
oMEmphasizesMsynergeticMcontraction
, -MPosteriorMChain:
oMEmphasizesMposturalMmuscles;Mhamstrings,MerectorMspinae,Mgastro,MQL
FiveMprogressiveMlevelsMofMaMcoreMtrainingMprogram:M-MAnswer-
MLevelMone:McoreMcontraction;MmultifidusMandMtransverseMabdominalM(isometricM
stabilization)
-MLevelMtwo:MStaticMholdsMandMslowMmovementMinMstableMenvironment
-
MLevelMthree:MStaticMholdsMinManMunstableMenvironmentMandMdynamicMmoveme
ntMinMaMstable
-MLevelMfour:MDynamicMmovementsMinManMunstableMenvironment
-MLevelMfive:MResistedMdynamicMmovementMinManMunstableMenvironment
BodyweightMtrainingM-
MAnsweroMBodyMweightMofMtheMindividualMisMusedMtoMprovideMresistance
§MCalisthenic,MGymnastics,MandMyoga
CoreMStabilityMTraining:M-
MAnsweroMIncreaseMinterestMtoMimproveMhealth,Mrehab,MandMimproveMathleticMp
erformance
oMRangeMfromMtraditionalMground-basedMfreeMweightMexercisesM-
MtrainingMonMunstableMdevices
IsolationMExercisesM-
MAnsweroMConsistsMofMdynamicMorMisometricMmuscleMactionsMdesignedMtoMisola
teMaMspecificMcoreMmusculatureMwithoutMtheMcontributionMofMtheMupperMandMl
owerMextremities
InstabilityMTrainingMDevicesM-
MAnsweroMTypicallyMconsideredMthoseMthatMareMperformedMonMunstableMsurfaces
MorMdevicesMcommonlyMfoundMinMstrengthMandMconditioningMfacilities