Key result
Self-reported measures of training exposure, including external and internal metrics, are essential for quantifying athlete response and answering sports injury research questions.
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Discusses the validity and selection of self-reported measures of training exposure in sports injury research.
Accurate exposure data are essential: Valid methods of quantifying sporting exposure and athlete response are essential to answering many sports injury research questions. External measures of exposure describe volume, duration or intensity of a match or training session and include time (eg, hours spent training), distance (eg, metres run) and number of events (eg, number of baseball pitches).1 Internal measures relate to the effect on, or experience of, an athlete during a session and include both subjective (eg, rating of percieved exertion (RPE)) and objective measures (eg, heart rate).1
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Murphy et al. (2021) conducted an editorial in Sports injury. Self-reported measures of training exposure was evaluated. Self-reported measures of training exposure, including external and internal metrics, are essential for quantifying athlete response and answering sports injury research questions.
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