| Autor: |
Clark, John L., Challop, Roger S., McCabe, Edward B. |
| Zdroj: |
JAMA: Journal of the American Medical Association; September 1971, Vol. 217 Issue: 11 p1552-1553, 2p |
| Abstrakt: |
To the Editor.—A relationship has been shown in professional football players between ligamentous laxity and knee ligament ruptures requiring surgical correction (212:2236, 1970). A study was conducted with 462 highschool players on 15 teams comprising two leagues to ascertain if a similar relationship held between ligamentous laxity and knee and ankle injuries to such players.Four measures of joint mobility were obtained for each player: (1) the ability to flex the spine with feet together and knees locked, measured on a 10-point scale; (2) the amount of recurvatum of the knee, measured with a goniometer; (3) the angle formed by the two second toes with heels together back to back and feet externally rotated as far as possible, measured to the nearest 5 degrees; and (4) the distance of the knees from the floor while forced down by the seated player's thigh muscles with heels pulled back and |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
|
