Diving: calories burned per hour: about 900. Bikini, bikini figure! Diving is the most effective body-building exercise among all fitness exercises. It can shape the lines of arms, chest, waist, buttocks and thighs in all directions.

Paddling: calories burned per hour: 500 to 70. Grab an oar, jump on a board, try to move to find the best place to surf, then stand up slowly and paddle freely in the water. This is the most popular sport abroad.

Cross-country skiing: calories burned per hour: about 500 (or more). Cross-country skiing is an extremely difficult aerobic exercise, but it is not suitable for timid people.

Rock climbing: calories burned per hour: about 550. Climbing with three or five friends on weekends can not only connect feelings, relax the spirit, but also lose weight.