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A training apparatus having an endless belt is provided. The apparatus provides a treadmill operable to simulate a variety of high intensity exercises. In particular, the apparatus is designed to simulate high intensity pushing and pulling exercises. The system includes forward and rearward mounts f

A training apparatus having an endless belt is provided. The apparatus provides a treadmill operable to simulate a variety of high intensity exercises. In particular, the apparatus is designed to simulate high intensity pushing and pulling exercises. The system includes forward and rearward mounts for attaching accessories to facilitate various training exercises. The system also includes a drive control with multiple flywheels for providing variable resistance to rotation of the treadmill.

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1. A training apparatus, comprising: an endless non-motorized belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element and wherein the first rotatable element and the second rotatable element are rotatably

1. A training apparatus, comprising: an endless non-motorized belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element and wherein the first rotatable element and the second rotatable element are rotatably connected with a frame;a first flywheel connected with the first rotatable element such that rotation of the first rotatable element rotates the first flywheel, wherein the flywheel has a greater moment of inertia that the first rotatable element;a second flywheel rotationally connected with the first flywheel such that rotation of the first flywheel rotates the second flywheel, wherein the second flywheel has a different moment of inertia than the first flywheel and rotates at a different speed than the first flywheel;a pair of opposing tracks positioned adjacent the first rotatable element for variably positioning a forward accessory, wherein the pair of tracks are rigidly connected with the frame so that the tracks do not move relative to the frame when the belt is rotated; anda pair of handles to be grasped by the user, wherein the handles are mounted on the tracks so that the vertical position of the handles can be varied by moving the handles on the track. 2. The apparatus of claim 1 wherein the first and second rotatable elements are rollers, pulleys or wheels. 3. The apparatus of claim 1 wherein the second flywheel has a smaller moment of inertia than the first flywheel. 4. The apparatus of claim 3 comprising a third flywheel rotationally connected with the second flywheel such that rotation of the second flywheel rotates the third flywheel, wherein the third flywheel rotates at a different speed than the second flywheel. 5. The apparatus of claim 1 wherein the belt has an inner surface having a high-friction surface for engaging the first and second rotatable elements. 6. The apparatus of claim 1 comprising a brake for applying a variable braking force to the first or second flywheel, wherein the brake is selectively controllable. 7. The apparatus of claim 6 comprising a controller for controlling the braking force at a predetermined level in response to input from the user. 8. The apparatus of claim 1 comprising a vertical post mounted adjacent the second rotatable element, wherein the vertical post comprises a connector for connecting a rearward accessory to the vertical post. 9. The apparatus of claim 8 wherein the rearward accessory comprises an elongated flexible strap. 10. The apparatus of claim 8 wherein the connector is configured to vary the vertical position of the point at which the rearward accessory is attached to the vertical post. 11. The apparatus of claim 8 wherein the connector comprises a plurality of connection elements vertically spaced apart from one another, wherein the rearward accessory is releasably connectable with each of the connection elements so that the vertical connection position of the rearward accessory can be varies by varying the connection element to which the rearward element is connected. 12. The apparatus of claim 8 wherein the connector comprises a vertically moveable element so that the vertical position of the connector can be variably set. 13. The apparatus of claim 1 wherein the first flywheel rotates at the same speed as the first rotatable element. 14. The apparatus of claim 1 wherein the first flywheel comprises a rotatable hub connected with a weighted disc having a larger diameter that the rotatable hub. 15. A training apparatus, comprising: an endless belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element;a forward accessory mount comprising:a pair of arms projecting upwardly relative to the endless belt, wherein the arms are angled forwardly relative to the direction of rotation of the belt, wherein the arms remain in a fixed forward position during use of the endless belt;a pair of hand holds wherein each hand hold is variably positioned along the length of one of the arms to vary the vertical and horizontal position of the hand holds relative to the belt;a retainer for each hand hold, wherein the retainer releasably positions the hand holds at a vertical position. 16. The training apparatus of claim 15 wherein the arms extend forwardly beyond the first rotatable element so that the arms project beyond the forward end of the belt. 17. The apparatus of claim 15 wherein each retainer is operable to retain one of the hand holds in position wherein the hand hold is forward of the forward end of the belt. 18. The apparatus of claim 15 comprising: a brake for applying a braking force to the first or second rotatable element wherein the brake is variable; anda controller for controlling the braking force at a predetermined level in response to input from the user. 19. The apparatus of claim 15 comprising a vertical post mounted adjacent the second rotatable element midway across a width of the second rotatable element, wherein the vertical post comprises a connector for connecting a rearward accessory to the vertical post. 20. The apparatus of claim 19 wherein the rearward accessory comprises an elongated flexible strap. 21. The apparatus of claim 19 wherein the connector is configured to vary the vertical position of the point at which the rearward accessory is attached to the vertical post. 22. The apparatus of claim 19 wherein the connector comprises a plurality of connection elements vertically spaced apart from one another, wherein the rearward accessory is releasably connectable with each of the connection elements so that the vertical connection position of the rearward accessory can be varies by varying the connection element to which the rearward element is connected. 23. A training apparatus, comprising: an endless non-motorized belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element;a first flywheel connected with the first rotatable element such that rotation of the first rotatable element rotates the first flywheel, wherein the flywheel has a greater moment of inertia that the first rotatable element;a second flywheel rotationally connected with the first flywheel such that rotation of the first flywheel rotates the second flywheel, wherein the second flywheel rotates at a different speed than the first flywheel; anda third flywheel rotationally connected with the second flywheel such that rotation of the second flywheel rotates the third flywheel, wherein the third flywheel rotates at a different speed than the second flywheel. 24. The apparatus of claim 23 wherein the second flywheel has a different moment of inertia than the first flywheel. 25. The apparatus of claim 23 comprising a brake for applying a variable braking force to the second or third flywheel. 26. The apparatus of claim 25 comprising a controller for controlling the braking force at a predetermined level in response to input from the user. 27. The apparatus of claim 25 wherein the second flywheel has a smaller moment of inertia than the first flywheel. 28. A training apparatus, comprising: an endless non-motorized belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element;a first flywheel connected with the first rotatable element such that rotation of the first rotatable element rotates the first flywheel, wherein the flywheel has a greater moment of inertia that the first rotatable element;a second flywheel rotationally connected with the first flywheel such that rotation of the first flywheel rotates the second flywheel, wherein the second flywheel rotates at a different speed than the first flywheel;a frame rotatably connected with the first and second rotatable elements;a pair of tracks rigidly connected the frame;a pair of handles to be grasped by the user, wherein the handles are mounted on tracks so that the vertical position of the handles can be varied by moving the handles on the track;wherein the tracks and the handles are maintained in a fixed position during use of the apparatus. 29. The apparatus of claim 28 comprising a brake for applying a braking force to the first or second flywheel, wherein the brake is variable. 30. The apparatus of claim 29 comprising a controller for controlling the braking force at a predetermined level in response to input from the user. 31. The apparatus of claim 28 comprising a releasable locking mechanism operable to releasably lock the each of the handles in a fixed position along the respective track. 32. The apparatus of claim 31 wherein tracks extend upwardly and forwardly away from the first rotatable element. 33. The apparatus of claim 28 wherein the second flywheel has a smaller moment of inertia than the first flywheel. 34. A training apparatus, comprising: an endless non-motorized belt having an upper surface upon which a user can walk, wherein the belt is entrained between a first rotatable element and a second rotatable element;a first flywheel connected with the first rotatable element such that rotation of the first rotatable element rotates the first flywheel, wherein the flywheel has a greater moment of inertia that the first rotatable element;a second flywheel rotationally connected with the first flywheel such that rotation of the first flywheel rotates the second flywheel, wherein the second flywheel rotates at a different speed than the first flywheel; anda brake operable to apply a braking force to the second flywheel to increase the force required to drive the non-motorized belt, wherein the brake is variable. 35. The apparatus of claim 29 comprising a controller for controlling the braking force at a predetermined level in response to input from the user. 36. The apparatus of claim 28 wherein the second flywheel has a smaller moment of inertia than the first flywheel.