It is presumed that swimming may prevent the depression of rats by reducing the level of the blood plasma cort and keeping the normal function of the HPA.

• 推测游泳锻炼可能通过降低肾上腺组织、海马组织及血浆皮质酮含量，保护海马组织不受损伤，维持海马对HPA轴的正常调控功能来预防抑郁的发生。