Studies have shown that concussions from impact of the head with turf are serious and occur with a reasonable frequency to warrant consideration in this specification. According to historical data, the value of 200 g-max was considered to be a maximum threshold. These studies and historical experience indicate the value of 200 g-max is intolerable as a threshold for human exposure. The synthetic turf industry, and their associations, as well as the National Football League has recognized that a lower threshold value is needed to reduce the risk of impact injuries. This lower threshold value is recommended by the F08.65 Subcommittee Task Group for Synthetic Turf Sports Fields specified in ASTM F1936-10.
Keywordsaverage g-max; baseball; combination field system; drop test; field hockey; field testing; g-max; impact; impact attenuation; lacrosse; multi-sport; natural grass field system; North American football; shock absorbing; soccer; softball; synthetic turf field system; test point; infill turf system; Average Gmax; Drop tests; G-max; Impact testing--sports applications/equipment; Natural grass field system; North American football; Sports equipment--specifications; Synthetic turf field system--specifications;
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