Rats of training groups undertook a 2-week down hill running program with progressively increasing load, an exercise of heavy, moderate and light load of down hill running would be performed at last.
训练组大鼠进行2周的递增负荷下坡跑跑台运动训练，最终进行一次大、中和小负荷的下坡跑运动。
Continue increasing or decreasing the load until the athlete can complete one repetition with proper exercise technique.
继续增减重量，指导运动员能够能够用正确的姿势找到自己的极限重量。
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