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Board devices, apparatus, systems and methods for practicing exercises such as yoga and stand up paddling with an elongated planar type board having two half sections joined by a flush mounted hinge, with plural convex curved rocker members mounted underneath the board. A pair of the curved rocker m

Board devices, apparatus, systems and methods for practicing exercises such as yoga and stand up paddling with an elongated planar type board having two half sections joined by a flush mounted hinge, with plural convex curved rocker members mounted underneath the board. A pair of the curved rocker members can abut each other under the hinge to lock the board in an extended position.

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1. A versatile exercise board, comprising: an elongated board with an upper flat surface and a lower flat surface, the board having two sides which are each longer than each of a first end and a second end of the board, and a longitudinal axis between the first end and the second end;a first convex

1. A versatile exercise board, comprising: an elongated board with an upper flat surface and a lower flat surface, the board having two sides which are each longer than each of a first end and a second end of the board, and a longitudinal axis between the first end and the second end;a first convex curved rocker member mounted to the lower flat surface of the board adjacent to a first end;a second convex curved rocker member mounted to the lower flat surface of the board substantially midway between the first end and the second end;a third convex curved rocker member mounted to the lower flat surface of the board adjacent to the second end, each of, each of the convex curved rocker members being parallel to one another, and each of the convex curved members having a longitudinal axis substantially perpendicular to the longitudinal axis between the first end and the second end of the board;a first air cushion positioned underneath the lower flat surface of the board, between the first convex curved rocker member and the second convex curved rocker panel, and slidably moveable along the longitudinal axis between the first convex curved rocker member and the second convex curved rocker panel; anda second air cushion positioned underneath the lower flat surface of the board, between the second convex curved rocker member and the third convex curved rocker member, and slidably moveable along the longitudinal axis between the second convex curved rocker member and the third convex curved rocker member, wherein the board is adaptable to practice exercises while standing thereon. 2. The versatile exercise board of claim 1, further comprising: a flush mounted hinge on the upper flat surface that is approximately midway between the first end and the second end of the board, for allowing half sections of the elongated board to fold with each other. 3. The versatile exercise board of claim 2, further comprising: a pair of convex rocker members mounted to the lower flat surface of the board underneath the flush mounted hinge, each one of the pair being mounted to a half section of the elongated board. 4. The versatile exercise board of claim 3, further comprising: a knob that attaches the pair of convex rocker members together to lock the half sections of the elongated board in an extended position. 5. The versatile exercise board of claim 1, further comprising: non-skid strips attached to the upper surface of the elongated board. 6. The versatile exercise board of claim 1, further comprising: a yoga mat on the upper surface of the elongated board. 7. A method of performing exercises in a standup position on an indoor board, comprising the steps of: providing an elongated board with an upper flat surface and a lower flat surface, the board having two sides which are each longer than each of a first end and a second end of the board, and a longitudinal axis between the first end and the second end;mounting a first convex curved rocker member to the lower flat surface of the board adjacent to the first end;mounting a second convex curved rocker member to the lower flat surface of the board midway between the first end and the second end;mounting a third convex curved rocker member to the lower flat surface of the board adjacent to the second end, each of, the convex curved rocker members being parallel to one another, each of the convex curved rocker members having a longitudinal axis substantially perpendicular to the longitudinal axis between the first end and the second end of the board;positioning a first air cushion underneath the lower flat surface of the board between the first convex curved rocker member and the second convex curved rocker member;positioning a second air cushion underneath the lower flat surface of the board between the second convex curved rocker member and the third convex curved rocker member;slidably moving the first air cushion along the longitudinal axis of the board between the first convex curved rocker member and the second curved rocker member; andslidably moving the second air cushion along the longitudinal axis of the board between the second convex curved rocker member and the third convex curved rocker member, wherein the steps of slidably moving the first air cushion and the second air cushion increase instability and rocking motion of the board. 8. The method of claim 7, further comprising the steps of: mounting a pair of convex rocker members to the lower flat surface of the board underneath a flush mounted hinge, with each one of the pair being mounted to each of the half sections of the elongated board. 9. The method of claim 8, further comprising the step of: locking the pair of convex rocker members together to maintain the elongated board in an extended position. 10. The versatile exercise board of claim 1, wherein each of the first cushion and the second cushion include a generally domed upper surface. 11. The versatile exercise board of claim 10, wherein each of the first cushion and the second cushion include a generally domed lower surface. 12. The versatile exercise board of claim 1, wherein each of the first cushion and the second cushion have a generally disc shaped configuration. 13. The method of claim 7, wherein each of the first cushion and the second cushion include a generally domed upper surface. 14. The method of claim 13, wherein each of the first cushion and the second cushion include a generally domed lower surface. 15. The method of claim 7, wherein each of the first cushion and the second cushion have a generally disc shaped configuration. 16. A versatile exercise board, comprising: an elongated board with an upper flat surface and a lower flat surface, the board having two sides which are each longer than each of a first end and a second end of the board, and a longitudinal axis between the first end and the second end;at least three convex curved rocker members, each spaced apart from one another and being parallel with one another and each fixably mounted to the lower flat surface of the board, and each of the convex curved members having a longitudinal axis substantially perpendicular to the longitudinal axis between the first end and the second end of the board;a plurality of moveable cushions positioned underneath the lower flat surface of the board, each of the cushions being slidably moveable along the longitudinal axis of the board between adjacent curved rocker members, wherein the board is adaptable on which to practice exercises while standing on the upper flat surface of the board. 17. The versatile exercise board of claim 16, wherein each of the moveable cushions include a generally dome shaped upper surface. 18. The versatile exercise board of claim 17, wherein each of the moveable cushions include a generally dome shaped upper surface. 19. The versatile exercise board of claim 16, wherein each of the moveable cushions have a generally disc shaped configuration.