and ease of application.

The respective ATCs for each high school were initially approached because of their daily interaction with the athletes and coaches during and after sport trauma and their expertise in injury recognition.^[@bibr9-2325967119832878],[@bibr23-2325967119832878],[@bibr39-2325967119832878]^ During the summer prior to the football season, all ATCs were provided with an overview of the purpose and procedures of the study, copies of the injury surveillance form, and detailed instructions for completion to avoid the potential for performance and detection biases.^[@bibr50-2325967119832878],[@bibr51-2325967119832878]^ The protocol was approved by the institutional review board at the university in which the study was based, and the study was conducted in accordance with the guidelines for use of human subjects as stipulated by the American College of Sports Medicine.^[@bibr2-2325967119832878]^

All regular season district, nondistrict, and postseason playoff games wereHFES 2014 Annual Meeting APK

The description of HFES 2014 Annual Meeting

This mobile program app for the HFES 2014 Annual Meeting in Chicago, IL, displays technical sessions, workshops, social and networking events, and news of interest to attendees. Create your own schedule by selecting sessions and events of interest, and sync your device's calendar. Technical session details include abstracts of the presentations to help attendees decide which sessions to attend. Maps show the locations of sessions and events to guide attendees through the meeting space. The home page offers easy navigation and a Twitter feed.