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A rowing machine or rowing machine attachment with an energy absorbing component configured to add responsive and compliant roll, pitch, and yaw motions to the rowing machine. The energy absorbing component is also configured to change shape so as to absorb energy in response to a compressive force

A rowing machine or rowing machine attachment with an energy absorbing component configured to add responsive and compliant roll, pitch, and yaw motions to the rowing machine. The energy absorbing component is also configured to change shape so as to absorb energy in response to a compressive force by the user. Said energy absorption component returns substantially to its first shape in response to the removal of the compressive force. The energy-absorbing apparatus is configured to reduce a reaction force exerted on the user of the rowing machine.

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1. An energy-absorbing suspension apparatus (“EASE”) for use in conjunction with a rowing machine, comprising: an energy absorbing component having a first shape in the absence of a force applied by a user, said energy absorbing component configured to change shape so as to absorb energy in response

1. An energy-absorbing suspension apparatus (“EASE”) for use in conjunction with a rowing machine, comprising: an energy absorbing component having a first shape in the absence of a force applied by a user, said energy absorbing component configured to change shape so as to absorb energy in response to application of a compressive force by the user, and configured to return to substantially its first shape in response to the removal of said compressive force;wherein said energy absorbing component is configured into an aftermarket device that is separate and removable from said rowing machine;wherein said energy absorbing suspension apparatus is configured to add responsive and compliant roll, pitch, and yaw motions to said rowing machine;a first locating structure configured to join said energy-absorbing suspension apparatus to said rowing machine; anda second locating structure configured to permit said energy-absorbing suspension apparatus to be located on a rigid support;whereby said energy-absorbing suspension apparatus is configured to reduce a reaction force exerted on a user of said rowing machine. 2. The energy-absorbing suspension apparatus of claim 1, whereby the motion on said rowing machine initiated by a rower begins at a forward position, the catch, then moves to a rearward position, the finish, and returns to a forward position, the catch. 3. The energy-absorbing suspension apparatus of claim 2, wherein said energy absorbing component is configured to simulate the behavior of a shell operated on water by adding responsive and compliant roll, pitch, and yaw motions throughout the entire rowing stroke. 4. One or more of said energy-absorbing suspension apparatus of claim 1, in combination with a rowing machine; each of said one or more energy-absorbing suspension apparatus joined with a support member of said rowing machine. 5. The energy-absorbing suspension apparatus of claim 1, in combination with a rowing machine and a non-energy-absorbing suspension apparatus, whereby said non-energy-absorbing suspension apparatus configured to level said rowing machine when used in combination with said energy-absorbing suspension apparatus. 6. The energy-absorbing suspension apparatus of claim 1, wherein said energy absorbing component comprises a selected one of an elastomer, a metal, a liquid, a gas, or a composite arrangement made from any combination of these material types. 7. The energy-absorbing suspension apparatus of claim 1, wherein said energy absorbing component comprises a shape selected from one of a tube, a strip, a foam, a ring, a coil spring, a leaf spring, a torsion spring, and a washer spring. 8. An energy-absorbing suspension apparatus (“EASE”) integrated into a rowing machine, comprising: an energy absorbing component having a first shape in the absence of a force applied by a user, said energy absorbing component configured to change shape so as to absorb energy in response to application of a compressive force by the user, and configured to return to substantially its first shape in response to the removal of said compressive force;wherein said energy absorbing component provides responsive and compliant roll, pitch, and yaw motions throughout the entire rowing stroke; andwhereby the motion on said rowing machine initiated by a rower begins at a forward position, the catch, then moves to a rearward position, the finish, and returns to a forward position, the catch;whereby said energy-absorbing suspension apparatus is configured to reduce a reaction force exerted on a user of said rowing machine. 9. The energy-absorbing suspension apparatus of claim 8, wherein said energy absorbing component is configured to simulate the behavior of a shell operated on water. 10. The energy-absorbing suspension apparatus of claim 8, wherein said energy absorbing component comprises a selected one of an elastomer, a metal, a liquid, a gas, or a composite arrangement made from any combination of these material types. 11. The energy-absorbing suspension apparatus assembly of claim 8, wherein said energy absorbing component comprises a shape selected from one of a tube, a strip, a foam, a ring, a coil spring, a leaf spring, a torsion spring, and a washer spring. 12. The energy absorbing apparatus of claim 8 wherein said energy absorbing components are integrated into support members of said rowing machine. 13. The energy absorbing apparatus of claim 12 wherein said support members comprise the leg sections of said rowing machine. 14. An energy-absorbing suspension apparatus for use in conjunction with a rowing machine, comprising: an energy absorbing component having a first shape in the absence of a force applied by a user, said energy absorbing component configured to change shape so as to absorb energy in response to application of a compressive force by the user, and configured to return to substantially its first shape in response to the removal of said compressive force;wherein said energy absorbing component is configured into an aftermarket device that is separate and removable from said rowing machine;wherein said energy absorbing suspension apparatus is configured to add responsive and compliant roll, pitch, and yaw motions to said rowing machine;a first locating structure configured to place said rowing machine on said energy-absorbing suspension apparatus;a second locating structure configured to permit said energy-absorbing suspension apparatus to be located on a rigid support;wherein said rowing machine requires no modifications to locate said apparatus under a support member of said rowing machine;whereby said energy-absorbing suspension apparatus is configured to reduce a reaction force exerted on a user of said rowing machine. 15. The energy-absorbing suspension apparatus of claim 14, whereby the motion on said rowing machine initiated by a rower begins at a forward position, the catch, then moves to a rearward position, the finish, and returns to a forward position, the catch. 16. The energy-absorbing suspension apparatus of claim 15, wherein said energy absorbing component is configured to simulate the behavior of a shell operated on water by adding responsive and compliant roll, pitch, and yaw motions throughout the entire rowing stroke. 17. One or more of said energy-absorbing suspension apparatus of claim 14, in combination with a rowing machine; each of said one or more energy-absorbing suspension apparatus located under a support member of said rowing machine. 18. The energy absorbing apparatus of claim 17 wherein said first locating structure is a cradle that positions a foot of the erg frame; whereby said cradle is connected to an enclosure by means of said energy absorbing components. 19. The energy-absorbing suspension apparatus of claim 14, wherein said energy absorbing component comprises a selected one of an elastomer, a metal, a liquid, a gas, or a composite arrangement made from any combination of these material types. 20. The energy-absorbing suspension apparatus of claim 14, wherein said energy absorbing component comprises a shape selected from one of a tube, a strip, a foam, a ring, a coil spring, a leaf spring, a torsion spring, and a washer spring.