Device to produce assisted, active and resisted motion of a joint or extremity

1. A device for producing assisted motion, active motion, and resisted motion of a lower extremity of a user comprising:

a base having a distal end, a proximal end, and at least one longitudinal track defined thereon, said base terminating at the distal end and the proximal end;

a footplate configured to receive a foot of the user, the footplate slidingly traveling along the at least one longitudinal track; and

an upper limb support defined by a pair of spaced apart elongated upper leg supports with a sling extending therebetween for receiving an upper portion of a leg of a user while the foot of the user is received on the footplate, the pair of spaced apart elongated upper leg supports being pivotally attached to the base at the proximal end;

wherein pivoting movement of the upper limb support and sliding movement of the footplate are independent from one another;

wherein the base includes a recessed portion in which the at least one longitudinal track is disposed and the footplate slidingly travels;

wherein the at least one longitudinal track comprises at least one first longitudinal track formed along a floor of the recessed portion and at least one channel formed along a side wall of the recessed portion that extends upwardly from the floor, the footplate including at least one first roller for traveling along the at least one first longitudinal track and at least one second roller for traveling within the at least one channel.

2. The device of claim 1 , wherein the base includes a pair of first connectors disposed at or near a distal end of the recessed portion and a pair of second connectors disposed at or near a proximal end of the recessed portion, the pairs of first connectors and the second connectors being configured for securing at least one pair of resistance bands to the footplate.

3. The device of claim 2 , wherein the footplate includes a pair of third connectors and a pair of fourth connectors, with one of the pair of third connectors and one of the pair of fourth connectors being located along one side of the footplate, the other one of the pair of third connectors and other one of the pair of fourth connectors being located along an other side of the footplate, the pair of third connectors and the pair of fourth connectors being configured for securing the at least one pair of resistance bands.

4. The device of claim 1 , wherein the pair of spaced apart elongated upper leg supports of the upper limb support move between a lowered position in which the pair of spaced apart elongated upper leg supports are positioned proximate an upper surface of the base and a raised position in which the pair of spaced apart elongated upper leg supports are formed at an acute angle relative to the base.

5. The device of claim 4 , wherein each of the pair of spaced apart elongated upper leg supports includes a pull handle.

6. The device of claim 1 , wherein the footplate includes a flat support surface with a curved heel support and a foot retaining strap.

7. The device of claim 1 , wherein the at least one first roller rotates about a first axis and the at least one second roller rotates about a second axis, the first axis and the second axis being parallel to one another, the second axis being spaced a greater distance from the floor of the recessed portion compared to the first axis.

8. The device of claim 1 , wherein the at least one longitudinal track comprises a single longitudinal track formed along a floor of the recessed portion, the footplate including a single roller for traveling along the single longitudinal track.

9. The device of claim 1 , wherein the footplate moves in a longitudinal direction relative to the base, while the pair of spaced apart elongated upper leg supports pivot relative to the base independently from a longitudinal movement of the footplate.

10. The device of claim 1 , wherein the pair of spaced apart elongated upper leg supports comprise telescoping poles.

11. A device for producing assisted motion, active motion, and resisted motion of a lower extremity of a user comprising:

a base having a distal end, a proximal end, and at least one longitudinal track defined thereon, said base terminating at the distal end and the proximal end;

a footplate configured to receive a foot of the user, the footplate slidingly traveling along the at least one longitudinal track; and

an upper limb support defined by a pair of spaced apart elongated upper leg supports with a sling extending therebetween for receiving an upper portion of a leg of a user while the foot of the user is received on the footplate, the pair of spaced apart elongated upper leg supports being pivotally attached to the base at the proximal end;

wherein pivoting movement of the upper limb support and sliding movement of the footplate are independent from one another;

wherein an underside of the base includes a pair of hooks configured for hanging the base on a support surface, each of the pair of hooks being hingedly connected to an underside and movable between a stowed position and an extended position.

12. The device of claim 1 , wherein the footplate includes a pair of roller supports comprising a pair of upright supports that are pivotally coupled to attachment members provided along sides of the footplate and a pair of lateral supports connected to the pair of upright supports and oriented normal thereto, each of the pair of roller supports includes a first roller that rides along one first track and a second roller that rides along one second track, the first rollers disposed along a first axis that is located below a second axis along which the second rollers are disposed, the second rollers located radially outward from the first rollers.

13. The device of claim 1 , wherein the base has a proximal portion containing an inward taper, and the inward taper terminates at the proximal end.

14. The device of claim 1 , wherein the pair of spaced apart elongated upper leg supports are attached at the proximal end in such a manner that a movement in a longitudinal direction of the base is restricted.

15. The device of claim 1 , wherein the pair of spaced apart elongated upper leg supports are connected through a tubular structure located at the proximal end of the base.

16. A device for producing assisted motion, active motion, and resisted motion of a lower extremity of a user comprising:

a base having a distal end, a proximal end, and at least one longitudinal track defined thereon, said base terminating at the distal end and the proximal end;

a footplate configured to receive a foot of the user, the footplate slidingly traveling along the at least one longitudinal track; and

an upper limb support defined by a pair of spaced apart elongated upper leg supports with a sling extending therebetween for receiving an upper portion of a leg of a user while the foot of the user is received on the footplate, the pair of spaced apart elongated upper leg supports being pivotally attached to the base at the proximal end;

wherein pivoting movement of the upper limb support and sliding movement of the footplate are independent from one another;

wherein the base includes a recessed portion in which the at least one longitudinal track is disposed and the footplate slidingly travels;

wherein the base includes a pair of first connectors disposed at or near a distal end of the recessed portion and a pair of second connectors disposed at or near a proximal end of the recessed portion, the pairs of first connectors and the second connectors being configured for securing at least one pair of resistance bands to the footplate;

wherein the footplate includes a pair of third connectors and a pair of fourth connectors, with one of the pair of third connectors and one of the pair of fourth connectors being located along one side of the footplate, the other one of the pair of third connectors and other one of the pair of fourth connectors being located along an other side of the footplate, the third connectors and the fourth connectors being configured for securing the at least one pair of resistance bands;

wherein the at least one longitudinal track comprises a pair of first tracks and a pair of second tracks, the footplate includes a pair of roller supports comprising a pair of upright supports that are coupled to sides of the footplate and a pair of lateral supports connected to the pair of upright supports and oriented normal thereto, each of the pair of roller supports includes a first roller that rides along one of the pair of first tracks and a second roller that rides along one of the pair of second tracks.

17. The device of claim 16 , wherein the pair of first tracks are formed along a floor of a recessed portion formed in the base and the pair of second tracks comprise channels formed in side walls of the recessed portion, the footplate slidingly traveling within the recessed portion.

18. The device of claim 17 , wherein the first rollers are formed along a first axis and the second rollers are formed along a second axis that is parallel to the first axis but spaced above the first axis.

19. A device for producing assisted motion, active motion, and resisted motion of a lower extremity of a user comprising:

a base having a distal end, a proximal end, and at least one longitudinal track defined thereon, said base terminating at the distal end and the proximal end;

a footplate configured to receive a foot of the user, the footplate slidingly traveling along the at least one longitudinal track; and

an upper limb support defined by a pair of spaced apart elongated upper leg supports with a sling extending therebetween for receiving an upper portion of a leg of a user while foot of the user is received on the footplate, the pair of spaced apart elongated upper leg supports being pivotally attached to the base at the proximal end;

wherein pivoting movement of the upper limb support and sliding movement of the footplate are independent from one another;

wherein the at least one longitudinal track comprises a pair of first tracks and a pair of second tracks, and

the pair of first tracks extends parallel to the pair of second tracks in a longitudinal direction of the base.