FitnessforLife
Worksheet:MuscleFitnessFacts
Name:________________________________ Class:___________________ Date:______________
Learningaboutmusclefitnessandapplyingmusclefitnessknowledgerequireknowingand
understandingthecommontermsusedbyfitnessprofessionals.Completethisworksheettoimprove
yourmusclefitnessvocabularyandknowledge.
1. Explainthedifferencebetweenstrength,muscularendurance,andpower.
2. Writeadescriptionforeachofthetrainingprinciplesformusclefitness.Usewordsand
termsthatmakesensetoyoubutthatarestillaccurate.Forexample,
Principleofoverload=youhavetoliftmoreweightthanbeforetobuildstronger
muscles,youhavetoliftaweightmoretimesthanbeforetoincreasemuscular
endurance.
Principleofoverload=
Principleofspecificity=
Principleofprogression=
Principleofrestandrecovery=
3. Canyoudescribehowyouapplyoneoftheseprinciplestoyourmusclefitnesstraining?Besure
toindicatewhichprincipleyouapply.
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FitnessforLife
4. Fillinthefollowingtabletohighlightthecharacteristicsofthedifferenttypesofmusclefibers.It
isimportanttounderstandthatallmuscleshaveablendofthesefibers.Somemuscleshavea
higherpercentageofslow-twitchfibers(posturemusclesthatworkallthetime),whileother
muscleshaveahigherpercentageoffast-twitchfibers(musclesthathelpusjump).
CharacteristicsoftheDifferentMuscleFiberTypes
Fibertype
Forceproduction
Fatigueresistance
(high,medium,orlow) (high,medium,orlow)
Bloodflow(high,
medium,orlow)
Fast-twitch
Slow-twitch
Intermediate
5. Workaloneorwithapartnertodescribeamovement(e.g.,push-up,handstand,soccer
kick)thatrequireseachofthefollowingmusclecontractiontypes.Addadrawingora
picturefromamagazineorthewebtoillustratethemovementyouaredescribing.
Isotoniccontraction=
Concentriccontraction=
Eccentriccontraction=
Isometriccontraction=
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