1. Introduction to epidemiology
2. Soccer injury epidemiology
3. Reliability of soccer injury epidemiology studies
4. Ekstrand and Gillquist propose stretching and strengthening
5. Keller et al advocate warm up and stretching
6. Hawkins and Fuller identify fatigue as a factor
7. Conclusion
8. References

Cherkasski, BL. (1991) The modern interpretation of the basic categories of epidemiology. Zhurnal Mikrobiologii, Epidemiologii i Immunobiologii. Vol 2, February, page 75-8.

Ekstrand, J. and Gillquist, J. (1983) Soccer injuries and their mechanism: a prospective study. Medicine and Science in Sports and Exercise Volume 15, Number 3, page 267 - 270.

Ekstrand J. Gillquist J.(1983) Soccer injuries and their mechanisms: a prospective study. Medicine & Science in Sports & Exercise. Vol 15, No 3, page 267-70.

Wiktorsson-Moller M. Oberg B. Ekstrand J. Gillquist J. (1983) Effects of warming up, massage, and stretching on range of motion and muscle strength in the lower extremity. American Journal of Sports Medicine. Vol 11, No 4, page 249-52.

Ekstrand J. Gillquist J. The avoidability of soccer injuries. (1983) International Journal of Sports Medicine. Vol 4, No 2, page 124-8.

Ekstrand, J. Wiktorsson, M. Oberg, B. Gillquist, J. Lower extremity goniometric measurements: a study to determine their reliability. (1982) Archives of Physical Medicine & Rehabilitation. Vol 63, No 4, page 171-175.

Fevre, D.J. (1998) Collision Sports: Injury and Repair Butterworth Heinemann, Oxford.

Hawkins, R.D. and Fuller C.W. (1999) A prospective epidemiological study of injuries in four English professional football clubs. British Journal of Sports Medicine Volume 33, page 196 - 203.

Hennekens C. H. and Buring J. E. (1994) Contributions of Observational Evidence to Prevention Research, Preventive Medicine Volume 23, Issue 5, September, Pages 584-586.

Keller, C.S., Noyes, F.R., and Bunchner, C.R. (1987) The medical aspects of soccer injury epidemiologogy. The American Journal of Sports Medicine Vol 15, No 3, page 230 - 237.

Kraus, J.F. and Burg, F.D. (1970) Injury reporting and recording: some essential elements in the collection and retrieval of sports injury information. Journal of the American Medical Association Vol 213, No 3, page 438 - 437.