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July 1988, Vol 142, No. 7 >
Article | July 1988

Softball Sliding Injuries—Michigan, 1986-1987 FREE

Am J Dis Child. 1988;142(7):715. doi:10.1001/archpedi.1988.02150070029017.
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DURING THE PERIOD 1986-1987, a study of the use of break-away bases to reduce sliding injuries was conducted in Ann Arbor, Michigan.1 The break-away base that was used in the study is anchored by rubber grommets to a rubber mat that is flushed with the infield surface. The mat is anchored to the ground by a metal post similar to that used with standard stationary bases. Seven hundred foot-pounds of force, or one-fifth the force needed to dislodge a stationary base from its mooring, is required to release the break-away portion of the base.

The study evaluated injuries sustained during 633 games on two fields with break-away bases and 627 games on six fields with stationary bases. The players were college students, laborers, executives, physicians, and others ranging from 18 to 55 years of age. Players were assigned to one of four leagues on the basis of skill level

REFERENCES

1 +
Janda DH, Wojtys EM, Hankin FM, Benedict ME.  Softball sliding injuries: A prospective study comparing standard and modified bases . JAMA 1988;;259:1848-50.
2 +
US Consumer Product Safety Commission. The National Electronic Injury Surveillance System: January-December 1986. NEISS Data Highlights 1988;10.
3 +
Wheeler BR.  Ankle fractures in slow-pitch softball: the Army experience . Milit Med 1987;;152:626-8.
4 +
Janda DH, Hankin FM, Wojtys EM.  Softball injuries: cost, cause and prevention . Am Fam Physician 1986;;33:143-4.
5 +
Wheeler BR.  Slow-pitch softball injuries . Am J Sports Med 1984;;12:237-40.

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References

1 +
Janda DH, Wojtys EM, Hankin FM, Benedict ME.  Softball sliding injuries: A prospective study comparing standard and modified bases . JAMA 1988;;259:1848-50.
2 +
US Consumer Product Safety Commission. The National Electronic Injury Surveillance System: January-December 1986. NEISS Data Highlights 1988;10.
3 +
Wheeler BR.  Ankle fractures in slow-pitch softball: the Army experience . Milit Med 1987;;152:626-8.
4 +
Janda DH, Hankin FM, Wojtys EM.  Softball injuries: cost, cause and prevention . Am Fam Physician 1986;;33:143-4.
5 +
Wheeler BR.  Slow-pitch softball injuries . Am J Sports Med 1984;;12:237-40.

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