JFIFC    $ &%# #"(-90(*6+"#2D26;=@@@&0FKE>J9?@=C  =)#)==================================================" }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ?#]G<6nYErյF 6\1h;M{n!ld]f0(ZΚC41rg#.G$7dy$~q@j"uN7xisRTڔ&Y?QPON &*{s1[z'-$#OE3`@=in>Z ;FfNh%Kkrm.D3F:gBQ‚C>Z;{k{WA#wxFkkeOϵt;m4]j,s;@橪SMjx{Cщ;}|?FO5<|̀?JWaSi2F<Κw2Jk_r8.rʧX^!)tOVRkiB|\Lv*i#ٔFxyTzФoP H @);³(4Wond r[NY}ڊ$ u)LR3o#Лl%Ҥ ַ"껁? sFi2 zSZc0`$pEv-Q85++i̗ʺn'N>#ռٯeb=ɯa=lIf7opE~Uc@ʣJ"dk1e{%ҶU\O@y^\}:bǞF+^[[Q2vָu|ÛOku9?zIsSuD(q̝En3w[fhexأ4M$zdē3ؒko}]>g@}{$ 6nMRg ;5 ]wqWxkH׮ BqЌ\79]Qwf*'ikvgnP &`H 4ℒ6pyvd\ 8d~Fv{etw7W\s{ h=(5Е)]ݏV#*S(U,1VSKxċn[@U]8+&GQr)5u`$ᇭi跖5yKl u8Ept qonj&Y,Ѧ܎d\r;Vr;]~Uigjмя# z{;i-YXcUP;ӽan#믩mĢMK` zWTU)MW:WUdTd~bQI㌐ ڼq,=y5[-[Hu'ڦއ JGcZ:ꢢ^`(||@O |zrhzL6xNӍ{>Ay7l?sh }ڨ0j;F2U5AIh5}jkmikmpx8~:ؓm|R-lc'f1+> #(_x.aHW+I3K<{W7:g@t]E~2`g}뫿K)LPRV1\Bw-Hhe'G֔t #e 5OZ>c 'JT0PU`O n9=+5tyFRdޫJWK%f01VKd#<M;;1[K>cg<zT1 vF$O *TgD.3gMX@^ZuC<ԮSV0?_v(}__ǽz[eeG8vK8,h(aU.1ȦKlnyIGju-W9MkBKUkU ;bRA6$2N :|c?ITBv#nOJ wfjkS7K-R{k )XGR~ >'lXlSUm㍕Ė{M4|lr{׶ w."|GxU>ֽGᆳn{;r%?db%M]W'*nƪB,!t,0隣}zo5 [F$;XI yzr(z +ƝM/f:RNU\l`1<Ҥ+HQLTh _$֍o$C=ꞵ`˶X&"C3^cmj:T-%y3]7T#neKNv$۹bwSÜUrD}dO%&ڳ.aej#\O~ z&)mLV.:c݂p?ȡ =Leh-#3%ЪbW1ȫ3ɧJcs&URF_nN|Q(Z,62 N3HȞBAfcg, XtE,,eV%՝ufrXTgI09#@(ziy['iH5= v :Tֶ`#O/9'p 0^I#{4N)\lQ:yM`ud묱ݭV|G9a+]#r-@kl sW RIĘZ+'g,c1 ZEW}.EncM"^5]$R^]YK#EaN`BqBky(s@nO_];b8) .K=:9Hס( ΒURD6`v33#5t u4tF1s=O]kb.-VU~'4d9q޼{嘡&`z4iq[ܪkI {ƛ}aous |VH#Jw Da4=a%GdҔP5D<|Kz) TW?m ($.Ǎ S6[.Xlq 9{9ZA#t ,nþ1cZ ^ khi[r1tU+ VK =D$.F΢V7Te$<1V,n'ȸ1Bp3jlt6Eywr ? aG@Nn=+C; ǚdg+E ;yp:w O;$3<\s'nך|?B8n%r۞oOaZ=<}L'S"k*H<*Ͷr?ֵ0n)V$ukZЌajҧR,`KVVs^:H[H o k`TfxoU6qmt5hW#§l嶎vrs]hUl~QԚŞӊbF{)mbFqBLfH*pB378#''OjPKr}M\2AVQ7qM8Z@ORO"Ej"T+&, =5-$Nxpm=jmWpTe"bۏRV&H*Kp}MG4L Ƞ`cQ6 (qzzz,#WUu#K}!p@!Olw*'m23Q rn6.rjbz?#X qkd`+{GC3 p~Ŷ򺩁|c0ھSKCq@O,8U䜢0sڳ[UF`dGjVw-xJ)Ծ+/ ɯشDNa~rMvH5 Jf@DP~ 6QpT׌t=L@Y>#^x bTo illustrate his point, Siff compared the stress of squatting with running.  Suppose that one child runs a few hundred meters a day in some sporting or recreational activities. This can easily involve several thousand foot strikes in which the reaction force imposed on the body can easily exceed 4 times bodyweight with every stride. Now let another child do a typical average weight training session with 3-5 sets of squats (say, with 10 reps, 8, 6 and 4 reps), with bodyweight or more for the last set. That bodyweight is divided between the two leg