noun
cross-training
Borrowed from English; used in fitness and sports contexts to refer to training in multiple disciplines or activities to improve overall performance.
ランナーはケガを防ぐためにクロストレーニングを取り入れている。
Runners incorporate cross-training to prevent injuries.
水泳はランニングのクロストレーニングとして効果的だ。
Swimming is effective as cross-training for running.