The Effect of Running and Jumping On Playfield Playing Surfaces On Vertical Forces and on Safety ##article.authors## T. S. Al-Hasso ##article.abstract## non ##submission.downloads## PDF (English) ##issue.issue## 7 International Symposium on Biomechanics in Sports (1989) ##section.section## Methodology ##submission.license## Authors can retain copyright, while granting the International Society of Biomechanics in Sports (ISBS) the right of first publication.