Patent ID: 7780584

Claim:
An exercise device comprising: a chair attachment assembly adapted for attachment to a chair at a location under a seat of the chair and configured to extend outwardly therefrom; a pair of leg supports pivotally coupled at first ends thereof to a pivot point on the chair attachment assembly, each leg support independently moveable between a contracted position and an extended position; a leg holder coupled to each leg support near a second end thereof, each leg holder configured to receive a lower portion of a user's leg such that inward and outward movement of the user's leg causes inward and outward movement of the associated leg support; and, a resistance element pivotally coupled between each leg support and the chair attachment assembly, each resistance element configured to provide resistance against both outward movement of the associated leg support from the contracted position to the extended position and inward movement of the associated leg support from the extended position to the contracted position, wherein the chair attachment assembly comprises a bracket adapted for mounting to a central post of the chair and a supporting element coupled to the bracket.