These calculations lend further support to previous research indicating that the large tyrannosaurs could run no faster than 25 mph ( and certainly not the 45 mph seen in some movies ) , because its leg muscles weren ' t big enough for fast running 这些计算进一步支持了先前表明巨大的霸王龙奔跑速度不会超过25英里/小时的研究（而且是肯定不会在一些电影中看到的每小时45英里） 。
