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HSS 387 Chapter 12 Questions And Answers

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HSS 387 Chapter 12 Questions And Answers HSS 387 Chapter 12 Questions And Answers HSS 387 Chapter 12 Questions And Answers

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HSS 387 Chapter 12 Questions And
Answers
3hExercisehVariablesh-hCORRECThhANSWER-1)hFrequencyh-hnumberhofhtimeshperhweek

2)hIntensityh-hahcertainhpercentagehofhthehabsolutehmaximum

3)hDurationh-hnumberhofhminuteshperhexercisehbout

AccordinghtohthehSAIDhprinciple,hwhichhofhthehfollowinghishanhexamplehofhanhexercisehbesth
designedhtohstrengthenhthehlatissimushdorsihmusclehforhactionshduringhrockhclimbing?h-
hCORRECThhANSWER-Pull-ups




Activitieshthathenhancehmuscleshofhthehhands,hwrist,helbowhandhshoulderhjointsh-
hCORRECThhANSWER-Climbing,hhanging,hswinging




AggregatehMuscleshActionsh-hCORRECThhANSWER-
muscleshthathworkhtogetherhinhgroupshtohachievehahparticular

AllhofhthehfollowingharehopenhkinetichchainhexerciseshEXCEPT:
chin-uph&hpush-up
bicepshcurl
benchhpress
lathpullh-hCORRECThhANSWER-Push-uph&hChinhup

ClosedhKinetichChainh-hCORRECThhANSWER-
Distalhendhofhextremityhishfixedhtohahrelativelyhstablehsurface

Movementhinh1hjointhcannothoccurhw/ohcausinghpredictablehmovementhinhanotherhjointhinhex
tremityh

Motionhinvolveshbodyhmovinghinhrelationhtohthehrelativelyhfixedhdistalhsegment

, DuringhthehFollow-
Throughhphasehofhmosthsportshactivities,hnegativehaccelerationhofhthehlimbhishaccomplishe
dhthroughh______hcontractionshofhmuscleshwhichharehantagonistichtohthosehcontractinghinht
hehMovementhphase.h-hCORRECThhANSWER-Eccentric

DuringhthehLOWERINGhphasehofhthehbent-
overhrowh(elbowshin),hglenohumeralhextensorshcontracth______,hresultinghinhglenohumeral
h_________.h-hCORRECThhANSWER-Eccentrically;hshoulderhflexion




ElbowhExtensorsh-hCORRECThhANSWER-Tricepshbrachiih&hanconeus

Duringhelbowhflexion,muscleshworkhcooperativelyhinhtheirhlengtheninghtohallowhflexorshtohp
erformhtheirhtaskh-hMay/mayhnothbehunderhactivehtension:
→hNohactivehtensionh-
hmusclehlengtheninghishpassive,hcausehsolelyhbyhthehelbowhflexors→hActivehtensionh-

helbowhextensorsharehcontractingheccentricallyhtohcontrolhthehamounthandhspeedhofhlengthe

ning

ElbowhFlexorsh-hCORRECThhANSWER-bicepshbrachii,hbrachialis,h&hbrachioradialis

Concentricallyhcontracthtohcausehelbowhflexion-
hCanhalsohcontrolhthehoppositehactionh(functionhinhextensionhashantagonists)byheccentricall

yhcontracting

ExamplehofhAggregatehMusclehActionsh-hCORRECThhANSWER-
Elbowhflexorshworkhtogetherhashanhagonisthgrouphtohcausehflexionhinhoppositionhtohelbowhe
xtensors.

ExampleshofhMultiplehJointhExercisesh-hCORRECThhANSWER-UE:hPushhupsh&hDips
LE:hsquats

Follow-ThroughhPhaseh-hCORRECThhANSWER-
Immediatelyhafterhclimaxhofhthehmovementhphase

Goal:hBringhabouthnegativehaccelerationhtohinvolvedhlimbhorhbodyhsegment,husuallyhoverhwi
dehROM(decelerationhphase)

Highheccentrichcontractionhofhantagonistshtohmuscleshofhmovementhphase)

JointhIsolationhExercisesh-hCORRECThhANSWER-
Exerciseshinhwhichhonehjointhmoveshwithouthactionhinhotherhjoints

Isolatinghparticularhjointhtohconcentratehonhspecifichmusclehgrouph(singlehplane)

Nothveryhfunctionalhbchmosthactivitieshrequirehmultiplehjointshtohperformhtask

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