![hand aiming to throw dart](http://cdcssl.ibsrv.net/cimg/www.curatedcontent.smb/580x290_60/52/shutterstock_195528452_sm-197052.jpg)
Rotation trainers consist of a disk – with various designs – that is attached to a rod-like base. As the disk rotates, the patient is asked to perform tasks that are designed to test and enhance eye-hand coordination, space awareness, perceptual awareness and visual acuity.