»PROF. LOU OSTERING attaches the electrodes to the muscles of the athlete and has her flex and extend her leg. Ostering. a University physical education pro fessor, uses tests like this to determine what a normal knee should look like and how it should perform. Although knees are extremely vulnerable parts of the body, with over 100.000 knee injuries occurring in the United States each year, little conclusive research is available about injuries, rehabilitative exercise and the normal Osternig wants to change that. Since 1976, Ostemig’s research has focused on knees — looking at the ef fects of surgery, the way the knees of dif ferent types of athletes differ and finding out how normal knees and the muscles around them work together. Testing athletes in high risk groups to develop a profile of their knees has been one part of Ostemig's research. However, few of the athletes tested have actually gotten hurt so the usual procedure is for trainers to compare the injured knee with the uninjured limb. But without data before the accident, “you can never know exactly,” he says. It has been impossible for Osternig to test massive amounts of athletes because of the time it takes for the tests — one hour for each athlete — and the difficulty of scheduling. For example, to test the whole football team would take about two weeks of solid work, assuming that the athletes would ail have the time and interest in being tested. Looking at different types of athletes and the differences between knee struc ture is another aspect of Ostemig's research. He has tested athletes in explosive ac tivities like gymnastics and those involv ed in endurance activities like long distance running. ■We wanted to assess them because we feel their muscles are quite different,*’ says Osternlg. “They do vary dramatically.'’ Athletes involved in endurance ac tivities have smaller "force curves” than those in explosive activities. Force curves are a measure of the amount of force a muscle exerts while doing a cer tain motion. Some trainers may think that a smaller force curve is a negative thing and that the athlete needs to build up strength, but this could be detrimental, says Oster nig. A long distance runner does not need the same level of performance In the muscles as the gymnast — the dif ferences in the curves simply reflect the differences in the sports. How the muscles around the knee in teract also concerns Ostemig. Certain muscles work antagonistically — when trying to develop one, the athlete finds the other muscle will inhibit performance One important thing Ostemig has discovered is that antagonism between muscle groups lessens as the muscle Is developed. This is positive for serious athletes, says Ostemig, because it gives them the ability to improve. Ostemig and his associate Prof, ©any Bates, also in physical education, haw received two, two-year grants between 1976 and i960 from the Northwest Area Foundation for a total of about $149,006. Examining muscles around the knee after rehabititatory surgery is another area of Ostemig's research. Through working with about 20 ‘We have a better idea as to what happens to muscle function after a specific kind of surgery’ —Lou Ostemig ..... Coming Soon to the University of Oregon Campus The Lambda Chi Alpha Fraternity October 9 - 15, 1983 All interested men, and transfer Lambda Chis, should contact Bob Curran, Associate Director of Chapter Services at (317) 872-8003 or Marti Chaney, 1FC Advisor 686-3216 or the IFC Office 686-5276 be a part of the Lambda Chi Alpha experience! jam Main Desk < What is available at the EMU Main Desk? (Main Floor, New Addition) Sales: Key chains, candy, cameras, film, greeting cards, postcards, bicycle locks, school supplies, magazines, padlocks. Services: Check cashing for University students, faculty and staff with proper I.D. Huh Center ticket sales Theater discount tickets Film developing Trading post ads Greyhound bus tickets Fast passes and bus tokens ODE classified ads Pay telephone, EWEB & gas bills Concert tickets Shakespearean Festival tickets Oregon Coast Line Bus Tickets International I.D. cards Amer. Youth Hostel Cards r Tape duplication instant cassette copies! Quality stereo or monaural duplication. Check the prices today at your Bookstore.