JFIFC    $ &%# #"(-90(*6+"#2D26;=@@@&0FKE>J9?@=C  =)#)==================================================" }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ?V8MlP wAV+"wY 2x403iz:lЃ8ɫ/CX^,C}A ^фDR*vYhqFpu T}' 㩒\@tw,Щ,ЯTKV<{N&w@Ѐ[X7h &RR"Ų~ka]u1 O-zgku9a* ϡ,Y/1!#T0n!=$02Ͽ4=c TF0:z-OX,ӨN!;rFI> M/Y Λ8 v>R;=4*]B7\I`+~p9mk_ -x{%YQs? RG.#Ԧf^SlJ<%e ؖUlcX4yHm:ʩj^":nO`Z?ʰҪbkY!$6Bn@=)4>^s\7,)b]b4ķGHg9g(j$niRR!,:w~7eHmZιuyW`GuHuK]ȎypQs*K׮!B98ۊ&Oj77ױ Ūǖ$K{ZGLtYO\ݖ[gd2 VTd8+ʰǭ _beg &<\b^Jwn̖3,u"xzˇŜ=E$BM'[_Ԧtj0+[7L~e}N*>I\N[ w,ǁ=*ORy$(m&N6kT|8hʽOyj1X HגSp$ס_;mV!k0l+Cᭂ\c`.Ϲ/ qrMYPn"=7\.f3pޝՐݎ]+WW^%ٴ7E*MW)k8 `֜t(-W` L^=NδGNoxwv Wn7oFҦ㢕16~y|9&b RT2?#^lIbz9& LkS,|:F]BBE?PIQ^8Wv'8$$H!f- a4wN_ZŸH(Ǚͥ,.d~cz溝/_|bV2KMWg͓hC2Ko2H#9+ѼMuo45p'/ҽs>"5+ tۉ$2rw籯7R;9g bqV&& Or= +-n^/kR廒:Tus Bp ؇@êw7ZėEХ8 u'Ҭ@ 89+C +rӬL*NX3LlH<⮝u/rV¸R=9=Ӵ;II+#^.bpH^F9?sTritaN4Ԥuw08 Q\{\lI!zyvӘƲ \Ν,92;׊Sv գtzMuIgE@m ɣԖ.i'?J ݤed^MZPI%stc(6GTr]:|CO\KdAϵwafr+)rLLf }* "|T`}}}q[&+C~oe$`(kW&1F qYe'gڍQ[Elﮣb#'G^.7P݈w;++i%GrNji6V$+z튩SgI*+`X̄= ]v;Kc/%<`*ƋvQ=1ⶔ^q$Y)IXy*i哌52sPQr6r+Φ::쮎NU tc>YG֚ӏJp+Pxf+Șd=iv0zuUHڞmZXIV+rlcY;=kW×&=Dlj?֢jwií:MBs2VPei|3\cJDﰟ޼4ڼsSMEc: %%O 6`nP秸MQ"NHeɛ). FpzhMMd[J%|Oٍe># TqH'?zSutsI2ʥv~+|?35\ҵG#k{fDwVWEQ ]ȂVU?yb~թwa^rc[h#1߭B21zׯp^k9Jfg<'9Zt=Fm[[@hJP};ӕ_N[oC^͏-AJT(=֔N"ҬX`m$lxsZS#& rο%WPH<Ab*]ֽOռ0̰mA\W8ǽE%dӈvh#&t'%I?sKNw~e<*a ҹv%[P@4Ҵ3M+=jR1].%2ķ1v}M3SJ4Whn #rf'\܍ʰ+k胺u [ʼn!Im 7~mtĬXN0В9]/\ 9ov8(O (__{=@AViy$q4\Cg<*O%Tp*nr qdcw b4TGv$U9פMI;ֹ+cV`k0 =(tV>,/b ?U]΄׷\٭UXg:0(!i*AS 2JH"YU +H85sw clzTZbDK!"eu<7/C;rKh-oLQRmSw89 z??Ί*5 Ќ٢d4C]̓( g=OԪ>j(3%iXrS$GQH)>Sn (<[4˝+ z(^Lv,4DZ(31"Ġ =4QT1$7Q0 aH>B(körvQE= _?ggbKԓXy\$jYd<#xzRVd 'ڪYh5֟`)l `{"I5tՈ·uTGI=Jknm50AnL`V6 O'<׿hTg#qwgye֣#qXbk)>攩y5 h[}zfq 录дL%f8܃ڊ{?3trQEj (]3K}SO.`QԎ< x-|GlH^LQm +uMJ@JW- 2}oe߉TCqcz2V~So嵪!2#d6hFu+ێ^0ލu Es&>`;*q=k-bk_XnAøos]ܥH?d]i#B1]0ՙ2TU>?G<ْ'GA&İ[~$ " JϚIzhfgbI'4(nPYg% \hWք b<#)I^- ;3>/Ygu f@?S~|!֭ 7Zu "8*etoEfm9:85_hK4TGY>̷ЩWJ\5 XӜκڞZ0I\й$1یV'-x6 CYA$MB%o+ nwro._Q+Jt(ګ"u$i 61p˜Q\UĽNyf1aa!aMR%QEAQETӵSpu>梢=WO9܂x_ПAI J6EzWmi.$mg!? > :u76抒04+糿PWzJA^bR@9mAn!UrA!mZ?i ]9 Ui(!20H$Ƨ}oA]?Š~f?pz6>qEgN.CKByf8?y±(RKDdŠ( ((z^[)Jg5NN(}REiިK46dgcݎj:([( ( ( (.izF m#?^mo B]&5daH{v?P }ž@hկn"5ʄp_^\dp:vy1We~;4r?"qCۀ; ΨXdv8^>£W~HL\JD ?&j󬖆6\>*C`֟g>M7õeKZ?QͲ2Y|98ȨEp Icgoį ݍOJ_3G9B9X ?ׁzJMayy?y|s[g2XLI>BER79frtQEhHQEQE*I42pi{rq^S"ݔaZVX|E\"-źL8_O.FQAT/3nu MtЛMՏ2x׾d^J*v#;V}%].şƩi71ȜpmzQEQEuats (say, with 10 reps, 8, 6 and 4 reps), with bodyweight or more for the last set. That bodyweight is divided between the two legs, so that, even taking acceleration into account, the loading per leg is bodyweight or a little more, while the spine is subjected to the full load on the bar. In other words, the legs and spine in controlled squatting are exosed to significantly less force than in running and jumping. Normally, exercises such as squatting will be done no more than twice a week for a total of about 60 repetitions, while the running child will run every day and subject the body to those many thousands of impulsive foot strikes. <br> It does not require much scientific knowledge or computational genius to see that the cumulative loading imposed by simple running activities on the lower extremities and the spine is far greater than the cumulative load of two or three times a week of weight training. Does this now mean that we are justified in recommending that children not be allowed to run, jump, throw or catch because biomechanical research definitely shows that such activities can produce very large forces on many parts of the growing body? <br>It should be obvious then that there is nothing wrong with running and other normal activities of childhood, and therefore no reason to disallow activities of lesser impact, such as carefully tructured programs of weight training.<br>Siff also notes that bone density scans have proven that youngsters who do competitive weightlifting (i.e., the snatch and the clean and jerk) have highe bone densities than children who do not use weights, and that clinical research has not shown any correlation between weight training and epiphysial damage. Further, an extensive Russian study on young athletes, published in a book entitled School of Height, concluded that heavy lifting tends to stimulate bone growth in young athletes rather than inhibit it.<br>Two possible reasons for the