JFIFC    $ &%# #"(-90(*6+"#2D26;=@@@&0FKE>J9?@=C  =)#)==================================================nK" }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ?V c@r@銆Hc昈襫 fn&1@"v8wD*S~\>ٷ'2'zeY ܤ9QpDsj,X{ ;~LjyYeblg֛SRJ ɩ]}f6w=LUZ>zm?CL\Wب;F_uWn<,yQH]PK\dܻ`F\{q+sJG# _k)ѓ:)K 05]=tnGj#v^"͜Yp@R#E9u=[jV1F:j^<K gGa֎:$I rF,lv1=8SuQ:{Usap΃rīd`k-,E<{gob/ DH?mx#SCUoV"n'\dh2}k1 c<$ٮFxmt;LGڀs\ͽh@̒~ƭe(YwH\'wٞLEM7 $ǩ)bAV⺸Kg0;aIw\POl ɮ9n}0.2;d~^=bi:DmM|Ǚ qb+2] 'Z'`_ǁrkKZI^c#޻81KiRi,Qd7'x_jeQSڝuAe Sx5s@m-=SN2Ǻ׬cQGTpI#*ĉ-۫!#'$VzQSL-0mƠFny?cPGmAq(uWOw'E``ݿs> iY#x呛ؐ?!^^jUbnmIˑ`FSUHs}*qKIq>e"sCsp4R4cH zYB+y4n o}{>`V%H'iLͧk6fϭv+mj̱n B5A|s%ּ3["߅eU.ilt݌+WZӅՍfyd%XK&tuL/Э- -eq%qӧJGZ=%A><*$J=]p1(ڲh 9 v.t4n'T`6vС c}Q^]jr~ t-rEyX-[;[]iª!Sdbwd-iXpHYHCr!prH}c{-Kza+ N8Nɵt Yj3WIK _L"N;]/59W 8O#X/O鶲5qB$o(=pÂjE<BR>The Straight Truth about Strength Curves <BR>The theory of variable resistance is that because you re stronger (or weaker) at different points in an exercise, the best strength training devices should increase the resistance at the points at which you are strongest. Herz explained in his patent how his  cam would achieve this:  . . . in working with such apparatuses, during the whole movement, the muscles shall be exerted in accordance with their momentary tension or pulling force. This meant there would be no sticking points so the muscles would be working hard throughout the entire lift.<BR>A strength curve is a mathematical model that represents how much force can be produced at specific joint angles. An  ascending strength curve exists when you can display more force as you extend the joints; exercises such as deadlifts, squats, bench presses and military presses have ascending strength curves. Chains would be valuable for these exercises because the increasing resistance during the strongest joint angles would make the exercise feel  smooth through the entire movement.<BR>A descending strength curve exists when you can display more force as you fl