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. 2022 Nov 21;35:111–114. doi: 10.1016/j.jor.2022.11.010

Table 2.

Proportion of hamstring injury and all games that occurred on 4-day weeks, 2013–2016 NFL regular season games.

N 4-Day Week (%)
HSI 78 5
(6.41%)
All Games 1024 64
(6.25%)
Z 0.051
P-Value 0.959

NFL - National Football League. HSI - Hamstring Injury. All Games refers to each NFL regular season game played from 2013 to 2016. Note that each game includes two participating teams.