# US RE49,841 E1 · Exercise apparatus for improving balance and stability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US RE49,841 E1 - Document ID: USRE49841E1 - Status: Granted - Kind: E1 - Application number: 17/707,663 - Filed: 2022-03-29 - Granted: 2024-02-20 - Earliest claimed: 2018-10-16 - Assignees: Mobo LLC - Applicants: Jay Dicharry - Inventors: Jay Dicharry - Web page: https://patentgrep.com/patent/USRE49841E1 ## CPC - A63B 22/16: Platforms for rocking motion about a horizontal axis {, e.g. axis through the middle of the platform}; Balancing drums; Balancing boards or the like {(exercising apparatus with cantilevered support elements pivoting about an axis A63B22/0056; other exercising apparatus for improving balance A63B26/003)} - A63B 21/00069: {Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve} - A63B 21/0442: {Anchored at one end only, the other end being manipulated by the user} - A63B 21/4034: {for operation by feet} - A63B 71/06: Indicating or scoring devices for games or players {, or for other sports activities} - A63B 2071/0602: {Non-electronic means therefor} - A63B 2071/0694: {Visual indication, e.g. Indicia} - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract The present embodiments disclose an exercise apparatus including at least one rocker board dimensioned to support a user. A plurality of convex rockers are releasably engageable with the at least one rocker board to provide instability during an exercise. A cutout is positioned through the rocker boards to strengthen the intrinsic and extrinsic muscles of the user. ## Claims ### Claim 1 An exercise apparatus, comprising: at least one rocker board, having dimensions configured to support a user; one or more convex rockers releasably engageable in one or more of a plurality of apertures in the at least one rocker board; a cutout positioned through the entire thickness of the at least one rocker board, the cutout configured to isolate one or more rays, excluding a first ray, of the user; and a base and a platform positioned between the base and the at least one rocker board, the platform having a plurality of recessed channels dimensioned to retain a convex surface of each convex rocker. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the at least one rocker board include a planar top surface and a planar bottom surface. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the one or more convex rockers comprises two or more convex rockers, wherein two convex rockers are a single set of convex rockers, and wherein each convex rocker of the single set is positioned in parallel. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the one or more of the plurality of apertures are further configured to releasably engage with an auxiliary exercise device. ### Claim 5 An exercise apparatus comprising: a first and a second rocker board, the first rocker board configured to support the left foot of a user, the second rocker board configured to support the right foot of the user, each rocker board having a top surface and a bottom surface, each top surface including a foot indicator defining proper foot placement of the user; a plurality of apertures in each of the first and second rocker boards, each aperture of the plurality of apertures positioned at a pre-determined angle from a central axis of each of the first and second rocker boards, the plurality of apertures each dimensioned to be capable of releasably receiving a convex rocker, the convex rocker extendable from the bottom surface to reduce the stability of the first and second rocker board; and a cutout through the first and second rocker boards, the cutout configured to receive a second, third, fourth, and fifth rays of the user such that the second, third, fourth, and fifth rays are unable to contact a top or bottom surface of the rocker board to provide a balancing force. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein each foot indicator is oriented to correspond to a central axis in each of the first and second rocker boards. ### Claim 7 (depends on 5) The apparatus of claim 5, wherein the pre-determined angle of each aperture of the plurality of apertures is between 35° and 55° from a central axis in each of the first and second rocker boards, corresponding to an anatomical axis of pronation and supination of a user's foot. ### Claim 8 (depends on 5) The apparatus of claim 5, wherein the primary impetus of a force to each rocker board is provided by the first ray of the user. ### Claim 9 (depends on 5) The apparatus of claim 5, further comprising a left base and a left platform positioned between the left base and left rocker board, a right base and a right platform positioned between the right base and right rocker board, each left and right platform having a plurality of recessed channels dimensioned to retain a convex surface of each convex rocker. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein each rocker board, each convex rocker, each base, and each platform are configured as releasably engageable singular components. ### Claim 11 (depends on 9) The apparatus of claim 9, wherein each rocker board is dimensioned to accommodate a human performing whole body exercises on one or both of the first and second rocker boards. ### Claim 12 (depends on 5) The apparatus of claim 5, wherein the plurality of apertures in each of the first and second rocker boards are configured to releasably engage with an auxiliary exercise device. ### Claim 13 An exercise apparatus comprising: at least one platform positioned on at least one base, the platform including a plurality of recessed channels; a first and a second rocker board, the first rocker board configured to support the left foot of a user, the second rocker board configured to support the right foot of the user, each rocker board having a top surface and a bottom surface, the top surface of each rocker board including an indicator defining proper foot placement of either the left or right foot; wherein said indicator is positioned along a central axis of each rocker board; a plurality of apertures in each of the first and the second rocker boards, each aperture of the plurality of apertures positioned at a pre-determined angle from the central axis of each rocker board, each aperture of the plurality of apertures dimensioned to receive a convex rocker, each convex rocker extending from the bottom surface to reduce the stability of each rocker board; wherein each convex rocker extending from the bottom surface of each of each rocker board is configured to align with a recessed channel of the plurality of recessed channels in the platform; and a cutout through the first and second rocker boards, the cutout configured to receive and isolate a second, third, fourth, and fifth rays of the user to strengthen the intrinsic and extrinsic muscles and a first ray of the user related to balance and gait. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein at least two convex rockers are positioned in parallel along the bottom surface of each of the first and second rocker boards. ### Claim 15 (depends on 13) The apparatus of claim 13, wherein two sets of two each convex rockers are positioned substantially perpendicular along the bottom surface of each rocker board. ### Claim 16 (depends on 13) The apparatus of claim 13 wherein the top surfaces of the first and second rocker boards are covered with a resilient material to create friction or texture between the rocker board and the foot of the user. ### Claim 17 (depends on 13) The apparatus of claim 13, wherein each rocker board, each convex rocker, the at least one base, and the at least one platform are configured as releasably engageable singular components. ### Claim 18 (depends on 13) The apparatus of claim 13, further comprising at least one auxiliary exercise device mounted to at least one of the first and second rocker boards. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein one or more of the plurality of apertures are configured to releasably engage with the auxiliary exercise device to selectively increase a resistance along a portion of the at least one of the first and second rocker boards. ### Claim 20 An exercise apparatus, comprising: a rocker board having dimensions configured to support the weight of a user, said rocker board configured for the placement and support of one foot of the user and a first ray of said foot; a cutout through said rocker board, said cutout configured such that a second, third, fourth and fifth ray of said foot of the user are unable to sufficiently contact a surface to provide a balancing force when positioned above said cutout, and said cutout oriented on said rocker board such that the first ray of said foot is supported when the second, third, fourth and fifth rays of said foot are positioned above the cutout; and two or more convex rockers engageable in two or more of a plurality of apertures in the at least one rocker board. ### Claim 21 (depends on 20) The exercise apparatus of claim 20 wherein the cutout through the rocker board is further oriented so that a user's foot lies along a central axis through the rocker board when the second, third, fourth and fifth rays of said foot are positioned above the cutout; and wherein the apertures are at suitable angles from said central axis such that the angles correspond to the anatomical axis of pronation and supination of the foot. ### Claim 22 (depends on 21) The exercise apparatus of claim 21 wherein the suitable angle is from 35 degrees to 55 degrees from the central axis. ### Claim 23 (depends on 21) The exercise apparatus of claim 21 wherein the suitable angle is about 45 degrees from the central axis. ### Claim 24 (depends on 20) The exercise apparatus of claim 20 wherein the convex surface of the rocker produces an angle of deflection of the rocker board of 45 degrees or less. ### Claim 25 (depends on 24) The exercise apparatus of claim 24 wherein the angle of deflection is between 10 degrees and 35 degrees. ### Claim 26 (depends on 24) The exercise apparatus of claim 24 wherein the angle of deflection is between 12 degrees and 16 degrees. ### Claim 27 (depends on 21) The exercise apparatus of claim 21 wherein the rocker board includes a foot indicator along the central axis. ### Claim 28 (depends on 21) The exercise apparatus of claim 21 wherein the rocker board is further configured for the placement and support of one foot of the user on either of the top surface or a bottom surface of the rocker board; the cutout through the rocker board is further oriented so that a user's right foot lies along the central axis through the rocker board when the second, third, fourth and fifth rays of said user's right foot are positioned above the cutout, and so that, when the rocker board is turned over, said user's left foot lies along the central axis through the rocker board when the second, third, fourth and fifth rays of said user's left foot are positioned above the cutout; and the apertures are each further configured to releasably engage a convex rocker on either of said top and bottom surfaces of said rocker board. ### Claim 29 (depends on 28) The exercise apparatus of claim 28 wherein one of the top and bottom surfaces of the rocker board includes a foot indicator for the user's right foot and the opposite surface of the rocker board includes a foot indicator for the user's left foot. ### Claim 30 (depends on 20) The exercise apparatus of claim 20 wherein the one or more of the plurality of apertures are further configured to releasably engage with an auxiliary exercise device. ### Claim 31 (depends on 20) The exercise apparatus of claim 20 further comprising a platform having a plurality of recessed channels, each channel dimensioned to releasably hold the bottom convex surface of one of each convex rockers, and further comprising a base on which said platform sits, said base configured to lie atop a substantially flat surface. ### Claim 32 An exercise apparatus, comprising: a first and a second rocker board having dimensions configured to support the weight of a user, said first and second rocker board each configured for the placement and support of one foot of the user and a first ray of said foot; a plurality of apertures in each of the first and second rocker boards, each aperture of the plurality of apertures positioned at a pre-determined angle from a central axis of each of the first and second rocker boards, the plurality of apertures each dimensioned to be capable of receiving a convex rocker, the convex rockers, when received in the apertures, extending from the rocker board to reduce the stability of the first and second rocker board; a cutout through said first rocker board, said cutout configured such that a second, third, fourth and fifth ray of a right foot of the user are unable to sufficiently contact a surface to provide a balancing force when positioned above said cutout, and said cutout oriented on said first rocker board such that the first ray of said right foot is supported when the second, third, fourth and fifth rays of said right foot are positioned above the cutout; a cutout through said second rocker board, said cutout configured such that a second, third, fourth and fifth ray of a left foot of the user are unable to sufficiently contact a surface to provide a balancing force when positioned above said cutout, and said cutout oriented on said second rocker board such that the first ray of said left foot is supported when the second, third, fourth and fifth rays of said left foot are positioned above the cutout.