1. A method for generating training media, comprising: capturing three-dimensional data over time of a portion of a human patient's body undergoing a surgical procedure, the capturing being performed at least in part by stereoscopic video cameras or by a three-dimensional camera; recording physiological readings over time of the portion of the human patient's body, the physiological readings comprise at least a movement cycle; capturing visual imagery of an exposed portion of the human patient's body; creating, using one or more processors, a four-dimensional model of the portion of the human patient's body based on the three-dimensional data, the physiological readings, and the visual imagery of the exposed portion of the human patient's body changing over time; and modifying at least a portion of the three-dimensional data or visual imagery of the human patient's body to maintain privacy of the human patient's body.