A pivotal vibration apparatus (100) is disclosed for use in the in the fitness and physical therapy fields in the form of vibration training. The apparatus comprising a vibration platform (110), a displacement assembly having an eccentric shaft rotatable to provide a displacement force, a link connecting the displacement assembly to the vibration platform to transfer the displacement thereto and an adjustment mechanism to adjust the amplitude of the displacement force transmitted to the vibration platform in a continuous fashion. The adjustment mechanism includes an eccentric shaft which is at least partially enclosed by and rotatable within a sleeve and is located eccentrically therein.
