One item you can try is Therabands (used in most Physical Therapy clinics), which come in different resistances. You could try asking for some for free from a local PT clinic or maybe even the athletic trainer at your school. If you want to buy them, they are available at a lot of places, such as Amazon:liamafrost1 wrote:Does anyone know where to get elastic bang or metal springs that will meet the required k value, i cant seem to find a meter or more elastic material of any kind that has an appropriate k value for the event. Last I could not find anything that was a meter long so i had jerryrig 5 rubber bands tied together. Our testing was incredibley inconsistent, we need a new material and i cant seem to find anyhting on line or in the area that will work. Does anyone have any ideas.
http://smile.amazon.com/Thera-Band-Extr ... therabands
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