Summary

This study guide covers lecture topics including body composition, aerobic capacity, and caloric expenditure. It outlines methods for measuring body composition, classifying VO2 max, and calculating caloric expenditure. The guide also describes the principles and limitations of submaximal tests for estimating VO2 max and discusses sex differences in VO2 max.

Full Transcript

ab 1 Body composition 2compartments FFMandFM i Ffm 1hfevertyflyeisel musclesorgansfluidbone Indirectvs direct assessments Direct measuringbodycome of belly comp components byan...

ab 1 Body composition 2compartments FFMandFM i Ffm 1hfevertyflyeisel musclesorgansfluidbone Indirectvs direct assessments Direct measuringbodycome of belly comp components byanalyzing bodyphysical invasive timeconsuming specialequipment Indirect usesothervariables electrical conductivity like weightheight skinfoldthickness etc 2Practical widelyusedin clinicalfitnessresearch Essentialbody fat of males and females Men 24 Women 10 12 Methods of measuring body comp Stiffensive invasivewidelyavail simplenon accuracydepends onskillofmeasurerdoesnotaccountforvisceral fat BIA.nl9hsavick easysmalldeviceeasytotrackovertime relysall onhydrationstatusfoodintakeskintemp Hydrostatic goldstandardhighlyreliable tank reauiresspecialequipmentwater timeconsuming BodPod quick veryaccurateforall noninvasive expensive notwidelyavailableaffectedbyclothinghairmovement BM simpleinexpensive widelyused Doesnotdiffbetween nospecialequipmentnoninvasive fatandleanmass itsjustcalc Waisttohipratio Noninvasiveeasyinexpensiveuseful forassessingfatdistribution onlyindirectestimates of bodyfataccuracydepends Provides on measurement techniques BNIIFFMFMIdealbodyweight Calculate BMI Ylstt FFM Bodyweight 1 bodyfat FM Bodyweight bodyfat IBWMen 50 2.3 heightlinch 60 Women 45.5 2.3 heightlinch 60 Apple vs fear Eatinabdomesandupperbody riskofcardiovasculardiseasestype2diabetes increased Peartat inhips.thighs.ws lessrisk I at 2 Aerobiccapacity V0mnYTum volume ofoxygen consumption EnSiemens sense thenhatingaggggedOssenyourbody ClassifyingV02 Max as maximal IEEEEat a T.in8intmiaiiewiii Exhaustion unable Bloodlactateconcentration tocontinue 8mmol L RPE 17 Astrand rhyming submaximal test aerobicfitnesstest estimateone's usesheartrateandworkload to V02Max to data predictmaximaloxygenuptake Principles sub maximaleffort Linearrelationship Steadystateheartrate teseadjustment Nomogram use Limitatifson assumptions heartratevariability Population Averages Limited forestimes Nodirectmeasurement Equipmentdependency Anaerobic VSaerobic Anaerobic energyproduction is fastsupports highintensity short durationactivities butleads Aerobic energyproduction isslower butmore efficient providing sustained to fatiguequickly forProlonged moderateintensityactivities energy Sexdifferences inV02max Higher inmendueto physiologicalanatomicalandhormonaldiffs 6 3 CaloricExpenditure Purpose of GraphingV02heartrate estimateV02mat Assess efficiency sloperevealscardiovascularefficiency Track progress Evaluate response Directvsindirectcalorimetry Dirkeasures the heatproducedbythebody todetermineenergyexpenditure Mameasures energyexpenditure bymeasuringoxygenconsumptionandcarbondioxideproduction RERespiratory Exchange Ratio ratio of carbondioxideproducedtoOxygen consumedduringpretabolism RER Cq Lab 4 MuscularPower We i Estance Factorsthatdeterminethepoweroutput Musclefiber of a muscle type type1 vstype11 Muscle cross sectional Musclelength area Motorunitrecruitment rate of neural firing Contraction Velocity Motorunitsynchronization Forcelength relationship Forcevelocity relationship Energyavailability ATPandcreatinePhosphate EE.ieEEme Biomechanics bodypositionandleverage 3energy systems Phosphagen ATP PC system PrimarilyusedduringverticaltestsandMargariatest Anaerobic Glycolysis Lactic AcidSystem Aerobic System Oxidative Phosphorylation

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