Comparison of select characteristics of those reporting an exercise-related injury in the prior 12 months with those who had not been injured.

Data are reported as mean ± SD except for group percentages.
a Running experience was based upon the year the subject started running at least 3 days per week.
b Ultramarathon running experience was based upon year first ultramarathon was run.
c High intensity was defined as "will break a sweat after 3–5 minutes; breathing is deep and rapid; can only talk in short phrases."
d An affirmative response meant the subject had regularly performed resistance training for at least a continuous 3-month period of time.

除分组百分比外，所有数据均以平均值±标准差（SD）形式报告。
a 跑步经历以受试者每周至少跑步3天的起始年份为判定依据。
b 超级马拉松跑步经历以受试者首次完成超级马拉松的年份为判定依据。
c 高强度运动定义为：运动3~5分钟后出汗、呼吸深快且仅能说出简短语句。
d 肯定答复表明受试者已连续规律开展抗阻训练至少3个月。