If you're a soccer player wondering whether split training can help you build lean muscle mass without destroying your endurance, the answer is a resounding yes—when executed correctly. Split training regimens allow soccer athletes to increase strength by 15-28% while simultaneously improving VO2 max by 3-7%, sprint capacity by 12-18%, and late-match performance metrics[^1]. The key lies in understanding the intricate relationship between resistance training recovery, lactate