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Ű D Eaxp_'·h /B<5@-;('xEalp4=8g('ӿ·h # i[PO#CӇW7o YyE¨@AiG~(΁m'mʑ^ma$tnvgzBjouVys2~cI @71-̜*_,e㊚#WEvQn3XzfQH@ACܖ)+UWw6'c!l{Sݥ՟E{cG ^+v ( ( ( ( ( ( (3,000:______1986__________1975<br>5,000:______1964__________1979<br>10,000:_____1976__________1979<br>Marathon:___1973__________1984<br> is determining how much weight to use on the sled. Says Adams,  I vary the weight depending on the kind of feedback I want to give the athlete. If I want to force him into extension, I ll add a little more weight as this will create a longer ground contact time. <br><br>When Greco introduces sled training to his athletes, he doesn t use any additional weight.  At first I just use the weight of the sled - I just want them to feel that something is there. He adds that during practice, he varies the weight according to how the athlete is performing that day.  This is where a coach has to watch, because you don t want to see a breakdown in technique-you don t want the athlete muscling down the track. <br><br>In addition to using the sled to improve acceleration, Greco uses it with extremely heavy weights to develop strength, as a supplement to regular weight training. However, technique is also important when using the sled for this purpose.  If you re walking with the sled, you want to make certain your walk is dynamic with a long, deep step - you want to work the muscles through a long range of motion. I weigh 180 pounds, and I ve gotten up to being able to use 200 pounds. Greco notes that the intensity involved in using the sled makes it easy to overtrain and he usually doesn t use heavy sled work for longer than three weeks straight. He adds,  Powerlifters can do more of the heavy sled work, because they don t run in addition to their regular training. <br>One alternative to the sprint sled is the BFS speed harness. Instead of a sled providing the resistance, a coach or training partner holds onto the end of a rope attached to the harness and provides manual resistance. <br><br><br>Sprint Chute Training Secrets<br><br>Although both Adams and Greco tend to use the sprint chute to improve maximum running velocity (or speed-endurance as some prefer to call it), there are many other benefits.<br><br>According to Greco, because the chute can move back and forth, it creates an unstable environment that can be used to improve joint stability.  I actually like it for team sports. Take the example of football running backs who are basically running and people are hitting them from the side. I think this instability helps significantly . . . and even with sprinters, because if you re coming off a curve and there s a gust of wind that rophy, but we didn t reach that goal. We did make the playoffs, a substantial achievement for a team that was 0-9 a couple of seasons earlier. More important, however, are the lessons we learned and the individual contributions each member made to this team. Many contributions took place far away from the football field and turned into great lessons about what is important in life. nes and free weights were not so dynamically obvious, machines would have snuffed our free weights entirely.<br>Second, the advent of the strength coach played a significant role in doing things right. Before the strength coach, it was usually administrators or the football coach who made strength-training decisions. By the early 1980 s nearly all major colleges had a strength and conditioning coach. Boyd Epley of Nebraska, an ex-track athlete, started the National Strength and Conditioning Associations (NSCA) in the late 1970 s. Books and publications like the NCSA and BFS Journal were being published. As a result, a more knowledgeale strength and football coach emerged. No longer were vast majorities of coaches gullible.<br>Machine people still get asked to speak at clinics because they pay for booth space, but recently it has becom embarrassing. Football coaches will make jokes and speak out during a machine presentation. To stay in business, the machine people have softened their claims considerably. Some have also started prt$iUuwycd()x>4LyQY5֟귟VU'g-okvqJ+#|yRKh G,28Ӷg{?Po?\-\