AFAA GROUP FITNESS INSTRUCTOR
TEST QUESTIONS AND ANSWERS
Interrelationaofanervous,amuscular,aandaskeletalasystemsatoacreateamovementa-
a✔✔Kineticachain
brainaandaspinalacord,acoordinatesaactivityaofabodyapartsa-a✔✔Centralanervousasystem
allanervesabranchingaoffaspinalacord,aextendingaoutatoatheabodya-
a✔✔Peripheralanervousasystem
senseadistortionainabodyatissuesa-a✔✔mechanoreceptors
mechanoreceptorathatasensesachangesainatensiona-a✔✔Golgiatendonaorgans
mechanoreceptorathatasensesachangesainalengtha-a✔✔muscleaspindles
cumulativeasensoryainputatoatheaCNSafromaallamechanoreceptorsa-a✔✔proprioception
connectamuscleatoabone,aanchoratoaproduceaforce,alimitedabloodaflow,aslowatoarepaira-
a✔✔tendons
individualacontractileaunits,aactinaandamyosinafilamentsa-a✔✔sarcomeres
slowatwitcha-amoreaaerobic,asloweratoareachamaximalacontraction,aresistantatoafatiguea-
a✔✔typeaIamuscles
moreaanaerobic,aproduceamoreaspeedaandastrength,afasteratoafatiguea-
a✔✔typeaiiamuscles
extensibility,aelasticity,airritability,aabilityatoadevelopatensiona-
a✔✔behavioralapropertiesaofamuscles
stabilizationamusclesa-acorea-a✔✔transverseaabdominus
,stabilizationa-acorea-a✔✔multifidus
stabilizationa-acorea-a✔✔internalaobliques
stabilizationa-acorea-a✔✔diaphragm
stabilizationa-acorea-a✔✔pelvicaflooramuscles
stabilizationa-acorea-a✔✔externalaobliques
stabilizationa-acorea-a✔✔quadratesalumborum
stabilizationa-acorea-a✔✔psoasamajor
stabilizationa-acorea-a✔✔rectusaabdominis
stabilizationa-acorea-a✔✔gluteusamedius
stabilizationa-acorea-a✔✔adductoracomplex
movementa-acorea-a✔✔latissimusadorsi
movementa-acorea-a✔✔hipaflexors
movementa-acorea-a✔✔hamstringacomplex
movementa-acorea-a✔✔quadriceps
movementa-acorea-a✔✔pectoralisamajor
movementa-acorea-a✔✔deltoids
movementa-acorea-a✔✔gluteusamaximus
movement-acorea-a✔✔triceps
movementa-acorea-a✔✔biceps
movementa-acorea-a✔✔erectoraspine
rectusafemoris,avastusalateralis,amedialis,aandaintermedius;akneeaextension;asquata-
a✔✔quadriceps:aparts,afunction,aandaexercise
semitendinosus,asemaimembranosous,abicepsafemoris;akneeaflexion,ahamstringsacurla-
a✔✔hamstrings:aparts,afunction,aandaexercise
, plantaraflexion,acalfaraisea-a✔✔gastrocnemius:afunctionaandaexercise
hipaextensionaandaexternalarotation,alungea(upwardaphase)a-
a✔✔gluteusamaximus:afunctionaandaexercise
spinalaflexion,alateralaflexion,aandarotation;aballacruncha-
a✔✔rectusaabdominis:afunctionaandaexercise
shoulderaflexionaandahorizontalaadduction;apushaupa-
a✔✔pectoralisamajor:afunctionaandaexercise
shoulderaextension,aadduction,aandainternalarotation;abandarowa-
a✔✔latissimusadorsi:afunctionaandaexercise
elbowaflexion,abicepsacurla-a✔✔biceps:afunctionaandaexercise
elbowaextension;atricepsaextensiona-a✔✔triceps:afunctionaandaexercise
connectaboneatoabone,alimitedabloodaflow,aslowatoarepaira-a✔✔ligaments
skull,aribacage,aandavertebralacolumna-a✔✔axialaskeleton
bonesaofaupperaandaloweraextremitiesa-a✔✔appendicularaskeleton
movement,asupport,aprotection,abloodaproduction,amineralastoragea-
a✔✔skeletalasystemafunctions
noajointacavityaoraconnectiveatissue,alittleatoanoamovementa(e.g.,asuturesaofatheaskull)a-
a✔✔non-synovialajoint
producesasynovialafluid,ahasajointacavityaandaconnectiveatissuea(gliding,acondyloid,ahinge,a
saddle,apivot,aball-and-socket)a-a✔✔synovialajoint
synovial;anoaaxisaofarotation,aslidesaside-to-
side,abackaandafortha(e.g.,acarpalsaofatheahand)a-a✔✔glidingajoint
synovial;acondylesaofaoneaboneafitaellipticalacavitiesaofaanother,aoneaplaneaofamotiona(e.g.,
aknee)a-a✔✔condyloidajoint
synovial;auniaxial;aoneaplaneaofamotiona(e.g.,aelbow)a-a✔✔hingeajoint
synovial;aoneaboneafitsalikeaaasaddleaonaanother;atwoaplanesaofamotiona(sagittal,afrontal)a(t
humbsaareaonlyaonesainabody)a-a✔✔saddleajoint
synovial;aoneaaxis,atransverseaplaneamovementa(e.g.,aradioulnar)a-a✔✔pivotajoint