Carva is a Lean Steer elliptical cross-trainer, human-powered, tricycle. Two wheels in the front and one in the back. Used to simulate outdoor walking or running without causing excessive pressure to the joints, hence decreasing the risk of impact injuries. Carva offers a non-impact cardiovascular workout that can vary from light to high intensity based on the riding preference chosen by the user.  See also General  Elliptical trainer Bicycle safety Bicycle tools List of bicycle parts Cardiovascular Cross-training External links Inventors of Carva
Carva is a Lean Steer elliptical cross-trainer, human-powered, tricycle. Two wheels in the front and one in the back. Used to simulate outdoor walking or running without causing excessive pressure to the joints, hence decreasing the risk of impact injuries. Carva offers a non-impact cardiovascular workout that can vary from light to high intensity based on the riding preference chosen by the user. Primary source claim See also General StreetStrider Elliptical trainer Bicycle safety Bicycle tools List of bicycle parts Cardiovascular Cross-training External links Inventor is really from Alabama, David Kraus, PHD 3/19/2009
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Primary source claim
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StreetStrider
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Inventors of Carva
Inventor is really from Alabama, David Kraus, PHD 3/19/2009