The aim of this study was to analyze the degree of agreement comparing number and distance covered in different acceleration and deceleration sections registered by a video tracking system (MEDIACOACH) and a GPS device (WIMU PRO) during official competition. Data from a Spanish professional club were registered over the course of a season. First, the descriptive statistics presented more bursts of accelerations and decelerations in WIMU PRO than in MEDIACOACH, whereas the distances covered recorded by both systems were similar. Second, negative relationships were found (i.e., negative bias) comparing WIMU PRO to MEDIACOACH in the number of accelerations and decelerations between 0/1 m/s² and ½ m/s² (p < 0.05), and in the distances covered in accelerations and decelerations (p < 0.05) between 0/1 m/s² and in accelerations and decelerations registered between 2/3 m/s² and more than 3 m/s². Moreover, the differences in means (i.e., standardized mean bias) across the two devices were trivial (> 0.19) and small (0.2–0.59) for most variables. The standardized typical errors in the estimate (TEE) were moderate (0.3–0.59) and small to moderate (0.1–0.29 to 0.3–0.59), respectively. Also, the Intra class Correlation Coefficients (ICCs) for agreement and consistency between systems showed good and excellent values (> 0.90). The magnitude of change in means (%) between systems, defined as the percentage change between the numbers or values, was below 14% and 7% for number and distances covered, respectively. All scores in the smallest worthwhile change were lower than 9% and in the coefficients of variation were lower than 95% and 15%, respectively. Thus, both systems demonstrated an acceptable degree of agreement and could be useful in analyzing players’ acceleration demands in professional soccer. However, caution is required when interpreting the results and a comparison with a gold standard is required in order to validate both systems.

本研究的目的是分析在正式比赛期间视频跟踪系统 (MEDIACOACH) 和 GPS 设备 (WIMU PRO) 记录的不同加速和减速路段所覆盖的数量和距离的一致性程度。来自西班牙职业俱乐部的数据是在一个赛季中注册的。首先，与 MEDIACOACH 相比，描述性统计数据显示 WIMU PRO 中的加速和减速爆发更多，而两个系统记录的距离相似。其次，在 0/1 m/s ²和 ½ m/s ² ( p < 0.05)，以及在 0/1 m/s ²之间的加速和减速 ( p < 0.05)以及在 2/3 m/s ²和超过 3 m/s ²之间记录的加速和减速所覆盖的距离。此外，在装置横跨两个设备的差异（即，标准化的平均偏差）是微不足道的（> 0.19）和小（0.2-0.59）对于大多数变量。估计值 (TEE) 中的标准化典型误差分别为中等(0.3–0.59) 和小到中等(0.1–0.29 到 0.3–0.59)。此外，用于系统之间一致性和一致性的类内相关系数 (ICC) 显示出良好的和卓越的价值（> 0.90）。系统之间均值 (%) 的变化幅度（定义为数字或值之间的百分比变化）对于覆盖的数量和距离分别低于 14% 和 7%。最小有价值变化的所有分数均低于 9%，变异系数分别低于 95% 和 15%。因此，两个系统都表现出可接受的一致性，并且可用于分析职业足球运动员的加速需求。但是，在解释结果时需要谨慎，并且需要与黄金标准进行比较以验证两个系统。