The present invention generally relates a multi-zonal and non-circular roller with several different zones along the periphery of the roller's outer surface and more specifically a roller having a non-circular internal area, a non-regular external surface covered by a series of multiple shape and angles designed to include to offer a user different types of resistance and muscle relief, including a point for the management of a myofascial trigger point.
Health is a key component of life. Humans understand that several parameters have a positive effect one a person's overall health. These include, for example, the reduction in stress, proper diet, companionship, and regular exercise. This invention is designed to improve health by Exercise is linked with the powering of muscles and often pushing the body and its muscles for a short or long period. While exercise often has a positive effect, it also must be carefully weighted to avoid complications.
To list a problem with exercises, we begin with Delayed-Onset Muscle Soreness (DOMS) which usually peaks 48 to 72 hours after a workout. A body and its muscles goes to work on the process of reparation of muscle fibers that were torn or damaged during exercise which results in a varying degree of pain depending on how much damage has been done. DOMS prevents a person from engaging in a routine of exercise needed to improve or maintain health up to a week after exercise. For example, DOMS can be felt by occasional marathon runners finishing their first race. What is needed is a tool or method of using a tool which is designed to help reduce secondary effects of DOMS.
In addition, intensive or even occasional exercise and physical activity by someone new to the field of exercise also results in what is pain or something called Muscle Fatigue. Muscle fatigue results from a shortage of fuel (substrates) within the muscle fiber or the accumulation of substances (metabolites) within the muscle fiber which interferes with the release of calcium or with the ability of calcium to stimulate muscle contraction. This effect is easily felt by a person biking up a mountain. Initially, the legs feel powerful but with time, fatigue sets in and can feel like a person is pushing as hard without getting the desired result. What is needed is a tool or a method of using a tool designed to limit muscle fatigue or to help recover quicker from fatigue.
In parallel, stretching of muscles is known to have beneficial effects before exercise as it warms up a muscle and after exercise to avoid risk of injury and increase performance. Stretching is the subject of multiple controversy and debate as how to optimize or quantify its positive effects over the body. It appears that most individuals and most bodies react differently to pre and post effort stretching. To some, stretching after effort results in a quicker return to full power. To other, stretching before exercise avoids muscle damage or rupture. In 2013, a study even suggested that active dynamic warmups might be recommended before exercise in place of static stretching.
Stretching tools include the foam roller, the stretch band, flex cushions, or even balance balls or half balls. Foam rollers are lightweight, cylindrical tubes of compressed foam used generally by placing a portion of the body over the roller and by moving horizontally the body portion. The movement (back and forth) results in gravity creating an upward force on the muscle at a different position. The goal is often to move the body member (e.g. leg) from the upper portion of the muscle to the lower portion of the muscle. Rollers come in different sizes and degrees of firmness. Often, a color is used to identify the firmness ranging from soft (beginner) to firm.
Foam rollers are part of “tool-assisted self-manual therapy” acting on the myofascial release system. Research has shown that regular self-myofascial release may be able to increase flexibility long-term in users when programs last more than two weeks. Self-myofascial release may reduce perceived soreness and increase pressure pain threshold as a result of DOMS during the period following exercise.
Multiple rollers exist in the prior art. For example, U.S. Pat. No. 7,918,774 titled Therapeutic Fitness and Sports Enhancement Device to inventor Dye. This product shows a series of non-hollow tubes of foam each having a set of regularly spaced ridges on the outside surface of the tube. This technology allows cyclical strain to be placed on the muscle along a horizontal movement of the body. The fully circular shape of the roller also simplifies the movement by a person allowing the body portion to remain on a horizontal plane during the entire back and forth movement.
U.S. Pat. No. 9,345,921 also to Mr. Dye offers a method of manufacturing and using the product described in his earlier patent for action on the quadriceps, the iliotibial band, the inner thigh, the glutes, the piriformis, hamstrings, the lumbar region, rhomboids, to conduct a thoracic extension, for use in the thoracic region, for use on the shins, the calf, the side of neck, the upper neck, the upper trapezius, the shoulder and rotator cuff, the rhomboids, the lower back, the arch of foot, and the heel of Achilles. The inventor also included end-caps in one embodiment and a small central opening along the length of the tube where a handle is placed. The handle is designed to be gripped at both ends of the roller to allow a user to use manual force on the muscle of choice instead of gravity force (i.e. by pushing down the roller on the muscle instead of pushing the muscle down on the roller).
All of the art linked with “rollers” is designed around a notion of cylindricality and circumferential uniformity. All “rollers” with no exception are designed to be rolled over a surface and over the body. Around the periphery of the “roller” similar structure exists and is found and the user may use it irrespective of its orientation on the floor. What is needed is a “roller” designed to increase the capacity to work effectively on different portions of muscles of a user and also a “roller” able to adapt to different types based on that user's specific daily needs.
The present invention relates generally to a new non-circular object with an a multi-zonal peripheral arrangement where the roller having a non-regular internal area, a non-regular external surface and a peripheral shape designed to include a point for myofascial trigger point management and several other zones for active work. The roller in one embodiment has several circumferential zones, each covering about ⅓ of the peripheral length for use in one of the three areas. In another embodiment, the interface between two of these zones also creates a curvature point having additional properties. One of these curvature points is an additional zone for the treatment of myofascial trigger points.
The current invention is one described as part of the field of health and rehabilitation of muscles linked often with exercise and/or other trauma. The description shows and uses terminology linked with products generally found in modern gyms. But while one type of technology is described using one vehicular, one of ordinary skill in the art will understand this technology can also be use in medical centers and rehabilitation centers to help patients return to full health or to help alleviate pain.
As shown the Roller 100 is of a width (W) sufficient for a portion of the body to be placed thereon, as shown the Roller 100 be at least 10-24 inches. While one of ordinary skill in the art observes a Roller 100 with a width as shown, what is contemplated is any length which allows for a portion of the human body to rest against the Roller 100, from one sufficient to only house an arm to one of sufficient length to house the thorax of an individual. In an alternate embodiment, the width is only 4-7 inches when designed for individual portions of the human body like an arm or a leg instead of the torso.
The Roller 100 is illustrated using a variable internal radius (RI) and a variable external radius (RX) which as shown while variable along the Angle (φ), does not change along the width (W). In one anticipated mode of fabrication, the shape is extruded using a simple die/push cast. The Roller 100, when in need of skeletal support strength may include an inner tube 2 made of a rigid yet somewhat pliable polymer which is designed to help support and give structure to the Roller 100. In the preferred embodiment, the tube 2 is glued onto the external shell 3. In another embodiment, the tube 2 is slipped inside by expanding the external shell 3 temporarily and assembled simply by allowing the external shell 3 to contract and return to form. Both tube 2 and external shell 3 can be made of several known plastics, for example, injected molded plastics. In one embodiment an EVA-TPR (Ethylene Vinyl Acetate copolymer/ThermoPlastic Rubber or Elastomer). In another embodiment, the tube 2 is made of Polypropylene of 3 mm think and includes small finds to help give traction between the tube 2 and the external shell 3 on the outside surface.
The inner tube 2 can be made of thermoplastic for example made of acrylic, ABS, Nylon, PLA, Polybenzimidazole, Polycarbonate, Polyether sulfone, Polyoxymethylene, Polyetherether ketone, Polyetherimide, Polyvinyl chloride, Teflon, Polyvinylidene fluoride, Polypropylene or the like. As shown at
Surrounding the inner tube 2 is a compressible external shell 3 thickness of variable radial thickness (T) shown as T1, T2, and T3 on
The polymeric foam of the external shell 3 also known as a foam can be made of a polymer having internal bubbles of air or air structure to give the polymer a soft feeling to the touch and in some case allowing the polymer to greatly deform and bounce back slowly with time (a couple of seconds). General foams used for contact with the human skin include foams able to deform and return after pressure has been stopped to their original form. For example, ethylene-vynil acetate (EVA) foam, low-density polyethylene (LPDE) foam, nitrile rubber (NBR) foam, polychloroprene foam, polyimide foam, polypropylene (PP) foam, polystyrene (PS) foam, Styrofoam, polyurethane (PU) foam, polyethylene foam (PEF), polyvinyl chloride (PVC) foam or silicone foam. Foam is generally defined by both a density (weight per unit of volume). For most polyfoams, a low-density range is less than 1.5 PCF. The medium-density range is from 1.5 to 1.7 PCF and the high-density range is more than 1.7 PCF. Firmness is measure on a scale of 1 to 10 where 1 is the softest and 10 is the firmest and firmness. One of ordinary skill will understand the possibilities and possible variations linked with alternating and changing the density of the foam. For example, the shell 3 could be made of different zones having different density. While the current contemplated embodiment includes a single shell with uniform density foam, one may understand for example that Zone 3400 and TP3600 designed for a lower level of compression and a greater rigidity. As described above, in cases where different density segments are used, may be manufactured using injection or assembly via thermal movement but may also be manufactured using glued EVA sheets layered over the tube 2 then cured using a heat tunnel. Such layers would be selected to modulate and change the effective total density of the segment and could be compression molded or injection molded. Other methods of manufacturing include the use of the tube 2 with a flat layer of EVA followed by a compression molding to alter the outer use diameter. Thermoplastics with memory also may be used.
Description of Zones I, II, and III and Tip Points 1, 2, and 3
As shown at
Zone II 300 is rather analogous to Zone I 200 in that it is made of somewhat larger series of semi-circular bumps 60 with a radius RII of 4-8 mm. The same way as Zone I 200, distance between two subsequent bumps 60a, 60b, 60c is about three times RII 61 or about 18-36 mm. As shown, three bumps 60 are place in the central portion of Zone II 300 and are flanked by two more bumps 62a, 62b to define a flat portion 63 between the bumps 60 and the bumps 62. The goal of the side bumps 62a is to create a flat area formed by 60a and 62a with the distance 63. When Zone II 300 is put upward for use against a portion of the human body, the other side's TP2 Tip Point 600 must be placed in equilibrium against the floor. A person will rock the leg over the bumps 60 back and forth. When the product is then used with the TP2 Tip Point 600 upwards and the other side Zone II 300 against the ground, the movement of the leg against the TP2 Tip Point 600 will feel by a balancing movement the bumps 60. The two side bumps 62a will then provide a guide to help a user delineate where Zone II 300 starts and stops. Zone II 300 as shown includes a series of 3 central bumps 60 and two side bumps 62.
Zone III 400 is completely different in that it is mostly flat 70 and includes a semi-straight area 71 once again to allow the Roller 100 to reset with stability on the ground with TP3 Tip Point 600 in the highest of position. As shown, Zone III 400 is the thinnest of the three zones Zone I 200, Zone II 300 and Zone III 400. The thin layer as shown is around 6-12 mm thick or about 2-3 times the thickness of the tube 2. Returning to the description of the TP3 Tip Point 600, as shown the tip includes a semi-rounded point 75 with a flat side 76 leading onto Zone I 200 and a slightly curved side 77 leading into Zone II 300. As shown, the thickness of Tip Point 600 is 5-10 times the thickness of the thickness of Zone III 400.
Written simply, the invention is a multi-zonal roller 100 for therapeutic, fitness, and sports enhancement device. It comprises a thin-walled tube 2 with a thickness (t), a width (W), and an outside surface (not numbered) and an external shell 3 of soft polymer with an internal surface as shown at
The external shell 3 as shown has a variable thickness T1, T2, and T3 as shown at
The thin-walled (t) tube 2 is generally oblong as shown at
The first zone (Zone I 200) is defined by a series of small semi-circular central longitudinal bumps 50a, 50b, 50c, . . . . along the width (W) of the roller 100 and flanked by two more longitudinal bumps 52a, 52b of identical geometry at a distance along the first zone to create a first flat portion between the small semi-circular central bumps and the flanking bumps 53. The second zone (Zone II 300) is defined by a series of larger semi-circular central longitudinal bumps 60a, 60b, 60c, along the width (W) of the roller 100 and flanked by two more longitudinal larger bumps 62a, 62b as shown at
As shown at
What is also contemplated is method of use of a multi-zonal roller 100 for therapeutic, fitness, and sports enhancement device, the method comprising the steps of: selecting a multi-zonal roller as described above, placing on the ground at least one of the tip points; contacting a portion of a user's body against one of the zone at the opposite side of the roller, and pivoting around the tip point the roller by moving the user's body as to allow the zone to contact the user's body.
Exemplary embodiments are described and shown above. It is, however, expressly noted that these exemplary embodiments are not limiting, but rather the intention is that additions and modifications to what is expressly described herein also are included within the scope of the present implementation. Moreover, it is to be understood that the features of the various embodiments described herein are not mutually exclusive and can exist in various combinations and permutations, even if such combinations or permutations are not made express herein, without departing from the spirit and scope of the present invention.
In one contemplated embodiment, the assembly process of the tube 2 and the external shell 3 can include the use of a high temperature and/or compressed air to help the foam expand during the assembly and return to tighten with the surface when cold. The use of the outside diameter fins (not shown) on the outside diameter of the tube 2 helps create a greater amount of friction. In the event thermal constriction is used to close the gap between the tube 2 and the external shell 3, the use of any adhesive may not be required.
What is also contemplated is the use of vibration technology inside of the tube 2, a smaller travel version, the use of a thermal element to create hot and cold areas (e.g. via slide in pads or low current and rechargeable batteries. Also, the use of end caps or other bags and carry items for the movement of the product is contemplated.
Since certain changes may be made without departing from the scope of the present implementation, it is intended that all matter contained in the above description or shown in the accompanying drawings be interpreted as illustrative and not in a literal sense. Practitioners of the art will realize that the sequence of steps and architectures depicted in the figures may be altered without departing from the scope of the present implementation and that the illustrations contained herein are singular exemplar examples of a multitude of possible depictions of the present implementations.
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Entry |
---|
International Search Report for International App. No. PCT/US20/54038 dated Jan. 6, 2021. |
Google 26 page list of 850+ relevant products uncovered using the expression “foam roller” (Exhibit A). |
Google 26 page list of 850+ relevant products uncovered using the expression “massage foam” (Exhibit B). |
Google 17 page list of 500+ relevant products uncovered using the expression “oblong foam roller” (Exhibit C). |
Number | Date | Country | |
---|---|---|---|
20210100719 A1 | Apr 2021 | US |