NOVELTY - The system has a universal serial bus (USB)-enabled portable system i.e. firewire-enabled portable system, for communication with an exercise mechanism i.e. treadmill, and a communication system. The portable system retrieves an exercise program from the communication system, delivers the program to a user of the mechanism and tracks a measurable parameter of the user when the user performs the program. The portable system includes an audio delivery device and a sensing device e.g. pulse sensor, which are in communication with a control device e.g. cordless telephone.    USE - Exercise system for enabling a user to perform an exercise program at a health club for maintaining health and physical conditions using an exercise mechanism i.e. treadmill. Can also be used for enabling a user to perform an exercise program using an exercise cycle, Nordic style ski exercise device, rower, stepper, hiker, climber, and elliptical or striding exercise device.    ADVANTAGE - The system can be configured to stimulate a group or class workout environment and synchronizing operation of the exercise mechanism with exercise programming, provide the exercise mechanism that is capable of being controlled by packetized signals received from a trainer and that is capable of enabling the user to communicate with a distantly located trainer. The exercise mechanism can communicate with the communication system that enables real-time communication with the trainer or alternatively access to one or more stored exercise programs. The system can enable a third party to control the exercise mechanism of the user or the trainer in real-time. The system can incorporate modules for receiving and decoding control signals embedded in multimedia i.e. audio and/or video, programming for controlling various operating parameters of the exercise mechanism in synchronization with the multimedia programming. The system can facilitate live, interactive communications between the user at home and the trainer or coach in a remote location, and can enable the trainer or coach to control the operating parameters of the mechanism on a live, real time basis.    DETAILED DESCRIPTION - The control device is one of universal serial bus (USB)-enabled MPEG-1 audio layer 3 (MP3) player, a USB-enabled flash memory drive, firewire-enabled MP3 player and firewire-enabled flash memory drive. The portable system communicates with the communication system via a network e.g. wide area network, local area network, home network, packetized network, Internet, telephone line, TV signals network and radio network.    DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of a reorienting treadmill with a tread base positioned in a position for a user to perform exercises to be used in an exercise system.    Treadmill (12)    Control panel (22)    Upright support structure (24)    Tread base (26)    External keyboard (103)