A recliner chair designed to contain elastic bands and other components to turn the recliner into an exercise machine. The recliner has arm rests with cavities therein that can house elastic bands and/or handles for said bands. Additionally, the backrest could have cavities to house additional elastic bands. The leg rest is modified to hold heavier loads than traditional recliners and includes an attachment point for a straight handle or elastic bands for the user to pull from using the upper body. Additionally, the leg rest is convertible to a leg exercise machine that can secure the feet therein for same. The moving portions are adjustable for resistance using various mechanisms.

An ergonomic chair (300) comprising a seat (310), a lower leg support (320), a chest support (330), and a hip support (360); the seat (310) for supporting the posterior thigh (11) and/or buttocks (12) of a seated user (10), the seat (310) being configured to urge the hip of a seated user (10) in a forward direction; the lower leg support (320) for supporting the anterior side of the lower legs (14) of the seated user (10); the chest support (330) for supporting the chest (15) of the seated user (10) in a forward leaning position of the seated user (10); the hip support (360) is configured to support the anterior hip of a seated user (10) as the seat (310) urges the seated user's (10) hip forwardly towards the hip support (360).

A portable therapeutic unit and system for treating a back, a neck, or the back and the neck of a user is disclosed. The therapeutic unit includes a first seat, a back support, a hinge, and a metal back. The first seat is designed for the user to sit thereupon. The back support is designed to support a back of the user. The hinge pivotally connects the first seat and the back support. The metal back is connected to the back support, with the metal back magnetically coupling with an attachment magnet. Further, the attachment magnet couples to a therapeutic aid to deliver treatment to the user.

Disclosed are a chair device and a star-shaped base (3) thereof, in particular capable of being used for office chairs, work chairs, stools or standing auxiliary devices, the star-shaped base comprising a center seat (4) and a plurality of extending arms (5) mounted on the center seat (4), wherein the extending arms (5) are used for the star-shaped base (3) to be placed on the ground, and at least one of the extending arms (5) is hinged to the center seat (4) and can rotate relative to the center seat (4). A chair seat of the chair device can rotate or swing, while parts mounted at an upper end of a chair column do not need to be modified, and particularly, a supporting structure, a chair support for the chair seat to be placed, and the chair seat itself do not need to be modified.

A rebounding device includes a front member, a rear member, and a junction member releasably coupling the front member and the rear member is disclosed. The junction member enables the front member and the rear member move between a collapsed position and an expanded position, and the front member is movable relative to the rear member during a rocking motion when the junction member is in the expanded position. In one embodiment, the junction member comprises a ratchet gear, a spring-loaded pawl configured to engage the ratchet gear and prevent rotation thereof, and a torsion spring. Application of pressure by a user against the front member causes the front member to move toward the rear member, thereby loading the torsion spring. Removal of the pressure against the front member causes the torsion spring to unload, thereby biasing the front member away from the rear member.

A yoga or exercise stool may have a seat portion and a base portion; the base portion having window slot(s) formed in a front side, a rear side, or both; a handle slot formed at least in one side, such as the front side, at or near the top; horizontal gripping slot(s) formed in the left side, the right side, or both, at or near the top; and vertical gripping slot(s) formed in the left side, the right side, or both, at or near the bottom; advantageously four such slots being formed near the bottom corners of the left and right sides. A yoga stool also may have a base portion, and a seat portion on top of the base portion, wherein the seat portion has an internal firm support member such as a solid slat, and preferably softer material such as foam rubber surrounding the support member, at least on the left and right sides. The yoga stool may include opposed side elements joined by a rear element and front element with a removable top element that may be U-Shaped to allow for additional poses or exercises.

A ball chair may comprise a chair frame, a ball body and an adjusting unit. The chair frame has a connecting base and a legs base, and a supporting column formed therebetween is configured to achieve a telescopic action thereby adjusting a height of the ball chair. The connecting base is formed in a concave shape to form a housing space therein, and an annular frame is formed at an upper end of the connecting base. The ball body is configured to be coupled on the connecting base of the chair frame, and the annular frame is configured to couple with an outer periphery of the ball body thereby limiting a position thereof. As a result, the ball chair is suitable for different statures of users and enables the users to sit thereon for training or rehabilitation.

Provided is an unprecedented chair in which movement of a seat by using a rolling surface can be smoothly performed.

The chair includes an upper base unit 31 and a lower base unit 32 facing each other, and a seat 1 that is provided in the upper base unit 31 and swings when the upper base unit 31 rolls with respect to the lower base unit 32, and the upper base unit 31, which is at least one of the upper base unit 31 and the lower base unit 32, includes a rolling surface 312a being curved. In the chair, a region having a different curvature exists in a part of the rolling surface 312a, and an elastic member 33 is interposed between the region having the different curvature and a corresponding region of an opposing surface.

Provided is an unprecedented chair in which a space between swinging surfaces facing each other can be appropriately hidden. The chair includes swinging surfaces (rolling surfaces) 312a and 322a facing each other, and has a configuration in which the swinging surfaces 312a and 322a swings with respect to each other in directions of 360 degrees including front-rear and left-right directions. In such a chair, an elastic member 33 is arranged to be positioned between the swinging surfaces 312a and 322a at least in the vicinity of outer peripheral edges 312z and 322z, and a stretchable sheet material 60 is provided between the outer peripheral edges 312z and 322z to conceal a gap between the swinging surfaces 312a and 322a facing each other, the gap including the elastic member 33.

The chair has a simple structure in which a seat can follow a free movement of a seated person in front-rear, left-right, and diagonal directions, a burden from an operation by which the seated person balances his or her load can also be reduced, and a movement by which the seated person changes his or her posture stably and continuously can be suitably supported. The chair includes a movement mechanism 3 that causes an upper base unit 31 to swing in a direction of 360 degrees with respect to a lower base unit 32, and a seat 1 attached to the upper base unit 31. The chair further includes a damper mechanism DM that may operate by following a movement in a direction of 360 degrees, as a mechanism separate from the movement mechanism 3, at a position connecting the upper base unit 31 and the lower base unit 32.