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An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

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Field Surface Type and Season-Ending Lower Extremity Injury in NFL Players.

William F McCormick¹, Mitchell J Lomis¹, Matthew T Yeager²

¹University of Georgia, Athens, Georgia, USA.

Translational Sports Medicine

|November 18, 2024

Summary

Artificial turf does not significantly increase season-ending lower extremity injuries in the NFL compared to natural grass. Injury rates were similar across both surfaces, suggesting other factors may influence perceived differences.

Keywords:

NFL field football injury lower-extremity surface

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Area of Science:

Sports Medicine
Biomechanics
Athletic Performance

Background:

Growing concerns exist regarding artificial turf safety and player injury incidence.
Artificial surfaces offer durability and cost benefits but may lack the forgiveness of natural turf.
This study investigates injury rates on different playing surfaces in professional football.

Purpose of the Study:

To compare the incidence of season-ending lower extremity injuries on natural versus artificial playing surfaces in the National Football League (NFL).
To analyze injury data from the 2020, 2021, and 2022 NFL seasons.
To determine if significant differences in injury rates exist between turf types.

Main Methods:

Utilized publicly available NFL data from 2020-2022.
Classified injuries by type, location, surface, and recovery duration.
Employed two-sample T-tests to determine statistical significance for in-game injuries.

Main Results:

A total of 199 season-ending lower extremity injuries were recorded.
60.3% of injuries occurred on artificial turf, and 39.7% on natural turf.
Injury rates per game were 0.242 for artificial turf and 0.199 for natural turf, with no statistically significant difference.

Conclusions:

No significant difference was found in season-ending lower extremity injury rates between artificial and natural turf in the NFL.
Perceived differences may be influenced by increased play on artificial surfaces and anecdotal reports.
Continued monitoring of surface properties like hardness and consideration of player preferences are recommended.