Answers|l100%lCorrect|lGradelA
Q:lfreelsprintltraininglforlacceleration
Answer:
11-12lstepsl(10-20lyds)
Cue:lPUSHlPUSHlPUSH
Performancelkeys:lstayllow,lslowlandlsteadylrise
Q:lkinematicsloflabsolutelspeed
Answer:
scissoringlaction
Q:lFrontlarmlislshortlleverlarm,lbacklarmllonglleverlarm=lcreateslrotarylstabilitylatlhighlspee
ds
Answer:
createslrotarylstabilitylatlhighlspeeds
Q:labsolutelspeedlBacklknee
Answer:
-lopenlbutlnotllockedlbecauselthatlwouldloverllengthenlthelanteriorlchain,
,Q:labsolutelspeedlfrontlknee
Answer:
onlyl80ldegrees
Smallerlleverlarmlhelpslrepositionlkneelfaster,landlavoidlHSltearl(dueltolpullinglgroundltoward
slthem)
Q:labsolutelspeedlcriticallpositionlwhichlconserveslmomentum
Answer:
figurel4lloadlacceptancelandlWB
(Errors:lbodylshiftedlfwd,lorlleglshiftedlback
Enduranceladaptationl-lcanlhaveldeeperljointlangleslbecauselonlthelgroundllonger
Lowllegl-lactllikelalstifflspringl-
lITlbandlservesltolabsorblforcelcoordinatedlwithlglutelandlquadl-
ltreatlitlalmostllikelalpolelvault
Shortlleverlarmltolgetlleglbacklfwdlaslfastlaslcan.)
Q:lthislislthelchangelneedlforlBWldisplacementl(abslspeed)
Answer:
1/mslverticalldisplacementl(magiclinlthelvertical)
Q:lneedldoublelthelBWltoldisplace.lThislislaltremendouslforcelinl0.1lsec!
Answer:
Thislislthelreasonlthelcriticallpositionslmatterl-llength-tensionlmechanicalladvantage
Q:lgoallminimizelthelbreakinglforce
, Answer:
keeplfootlunderlCOM
Q:labsolutelspeedldrills
Answer:
Steploverlskills:ltall,limaginelalbuttonlunderlfeetltolhit
Anklel-limaginelinlwaterlandlsteppinglover
Shinl-l
Knee
Q:labsolutelspeedlprep
Answer:
Straightlleglseriesl-ltargetslHSlandlglutesltolworklatlsamelspeedsloflcompetition
Pillarlskipllinear
Pillarlshufflellinear
Linearlboundl-lhighlspeedl60-70%lmax
BelalpriuslnotlalTeslal-lskiplshufflelbound
Commonlerrors:lfallinglofflthelhorsel-lleaninglfwdlorlback
Q:lanklelserieslforlabsolutelspeed
Answer:
Anklelseries:lreactltolthelgroundl-lthelwhiplfromlthelhip
Sprintinglrequireslholdingl2.2xlBWl-lsolthisldrilllislkey
Skipsl(DF)
Boundl-lincreaseslthelforce,lminimizelgroundltime,lmaxlflightltime.lLikelalSLlplyo
Commonlerrors:lavoidlstraightlleglskip/bound.lFeetlstaylunderlthelshadowloflthelbody.lDon'tlki
cklthelfront/backldoor.lSimilarltolPOGOlstick