Trampoline
Nowadays, people do indoor sports much more than outdoor sports because of busy life styles and small living space. Therefore, indoor sports with a good exercise effect such as running, weight lifting, chest developing, trampoline jumping, and so on have become the mainstream sports at leisure times. More specifically, trampoline has gained great popularity, and is now featured as an Olympic sport. Trampoline jumping can be used for medical rehabilitation. Because trampoline jumping can provide stimulus to the vestibule and body, train the jumping capability of the lower limbs, increase the harmony of action, promote the balance capability, and enhance the feel of rhythm, it is very suitable to development treatment, sensory integration training, and ordinary capability training. Trampolines are customarily constructed by providing a generally rectangular frame to support the mat through the medium of a plurality of springs, and the rectangular frame is usually supported from a plurality of legs. A trampoline typically includes a round frame positioned on floor via vertical posts, and a jumping bed connected to and tightly stretched over the round frame via a plurality of elastic elements radially extended between the jumping bed and the frame. A user may stand on the jumping bed to continuously do various jumping movements. The jumping bed must have a specific size large enough to safely catch the user rebounded from and fallen to the jumping bed again. Therefore, the trampoline in an extended state for use will occupy a considerably large space. Trampolines have been a fun and exciting backyard exercise. Learning to trampoline requires learning timing. A variety of somersaults, flips and pikes can be learned and developed into a choreographed routine. To reach a proficient level, training aids can help.