Apparatus made up of a bed stretched by springs; the gymnasts perform acrobatics by jumping and bouncing on it.
Cushioned mat covering the frame to prevent injuries to the gymnast.
Canvas that is usually made of nylon; the gymnast bounces and performs acrobatic freestyle on it.
Metal body supporting the bed by means of springs; for competitions, the frame is 3.7 ft above the floor.
Metal elastic coils that stretch the bed; a trampoline usually has 120 springs.
Metal structure supporting the trampoline frame.