Four-in-one rocker board allows patients to progress without the expense of a full rocker board set. For range-of-motion, strength, balance, proprioception, coordination and vestibular training. Tilt adjusts from 15° with a broad flattened area to 22° with a full round-over profile. Offers three easy-to-adjust levels of difficulty. Designed for single plane movements for the improvement of balance, coordination and stability. Slip-resistant surface. 18" by 18" (46 x 46 cm) platform.