An apparatus for controlling of a training device including a training device configured to absorb a mechanical power applied by a person undertaking physical training, an assistance unit configured to assist the training and/or to make the training more difficult, and an exertion measuring apparatus configured to measure mechanical exertion data of an effort applied by the person during the training, a body sensor configured to measure physiological data of the body of the person, a computing unit configured, with an optimization algorithm, to adjust coefficients, a summand, and delays to prepare a prediction of the physiological data based on a model, and a control unit configured to take a predetermined reference variable for the physiological data, to take the prediction as a control variable, and to control an assistance of the assistance unit as a manipulated variable.

A foot sole pressure measurement instrument includes a measurement unit which is installed on a foot sole part of a subject and measures a pressure applied to the foot sole part of the subject, and an output unit configured to output data of the measured pressure.

A method includes receiving treatment data pertaining to a user capable of using a treatment device to perform a treatment plan and receiving activity data pertaining to the user while the user engages in at least one activity. The method also includes generating treatment information using the treatment data and the activity data and writing to an associated memory, for access by a healthcare professional, the treatment information. The method also includes modifying at least one aspect of the treatment plan in response to receiving, from the healthcare professional, treatment plan input including at least one modification to the at least one aspect of the treatment plan.

A foot sole pressure measurement instrument includes a measurement unit which is installed on a foot sole part of a subject and measures a pressure applied to the foot sole part of the subject, and an output unit configured to output data of the measured pressure.

A method includes receiving treatment data pertaining to a user capable of using a treatment device to perform a treatment plan and receiving activity data pertaining to the user while the user engages in at least one activity. The method also includes generating treatment information using the treatment data and the activity data and writing to an associated memory, for access by a healthcare professional, the treatment information. The method also includes modifying at least one aspect of the treatment plan in response to receiving, from the healthcare professional, treatment plan input including at least one modification to the at least one aspect of the treatment plan.