1. A device for monitoring a movement of a user, comprising: a sensor module operable to generate positional information, the positional information describing a movement of a portion of a user's body relative to one of the user's joints; a processor operable to: receive positional information from the sensor module; compare the received positional information to stored positional information; and determine based on a comparison of the received positional information and the stored positional information that the user has performed a predetermined movement; a feedback module operable to generate sensory feedback in response to determining that the user has performed the predetermined movement; and a housing enclosing at least a portion of each of the sensor module, the processor, and the feedback module.