trampoline![click to hear](/images/speaker.jpg)
Apparatus made up of a bed stretched by springs; the gymnasts perform acrobatics by jumping and bouncing on it.
safety pad ![click to hear](/images/speaker.jpg)
Cushioned mat covering the frame to prevent injuries to the gymnast.
bed ![click to hear](/images/speaker.jpg)
Canvas that is usually made of nylon; the gymnast bounces and performs acrobatic freestyle on it.
frame ![click to hear](/images/speaker.jpg)
Metal body supporting the bed by means of springs; for competitions, the frame is 3.7 ft above the floor.
spring ![click to hear](/images/speaker.jpg)
Metal elastic coils that stretch the bed; a trampoline usually has 120 springs.
leg ![click to hear](/images/speaker.jpg)
Metal structure supporting the trampoline frame.