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Clin J Sport Med. 2017 Mar;27(2):104-110. doi: 10.1097/JSM.0000000000000313.

Quantifying Head Impact Exposure in Collegiate Women's Soccer.

Author information

1
Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia.

Abstract

OBJECTIVE:

The aim of this study was to quantify head impact exposure for a collegiate women's soccer team over the course of the 2014 season.

DESIGN:

Observational and prospective study.

SETTING:

Virginia Tech women's soccer games and practices.

PARTICIPANTS:

Twenty-six collegiate level women's soccer players with a mean player age of 19 ± 1.

INTERVENTIONS:

Participating players were instrumented with head impact sensors for biomechanical analysis. Video recordings of each event were used to manually verify each impact sustained.

MAIN OUTCOME MEASURES:

Head impact counts by player position and impact situation.

RESULTS:

The sensors collected data from a total of 17 865 accelerative events, 8999 of which were classified as head impacts. Of these, a total of 1703 impacts were positively identified (19% of total real impacts recorded by sensor), 90% of which were associated with heading the ball. The average number of impacts per player per practice or game was 1.86 ± 1.42. Exposure to head impact varied by player position.

CONCLUSIONS:

Head impact exposure was quantified through 2 different methods, which illustrated the challenges associated with autonomously collecting acceleration data with head impact sensors. Users of head impact data must exercise caution when interpreting on-field head impact sensor data.

PMID:
26978008
DOI:
10.1097/JSM.0000000000000313
[Indexed for MEDLINE]

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