拓展训练的所有项目都以体能活动为引导，引发出认知活动、情感活动、意志活动和交往活动，有明确的操作过程，要求学员全身心的投入。拓展训练的项目都具有一定的难度，表现在心理考验上，需要学员向自己的能力极限挑战，跨越“极限”。
All the items of Outward Bound training are guided by physical activity, which leads to cognitive activity, emotional activity, will activity and communication activity. There is a clear operation process, which requires the students to devote themselves to it. The items of Outward Bound training all have certain difficulty, which is manifested in psychological test, which requires students to challenge their ability limit and cross the "limit".