US20070155601A1 - Inflatable exercise device - Google Patents
Inflatable exercise device Download PDFInfo
- Publication number
- US20070155601A1 US20070155601A1 US11/323,777 US32377705A US2007155601A1 US 20070155601 A1 US20070155601 A1 US 20070155601A1 US 32377705 A US32377705 A US 32377705A US 2007155601 A1 US2007155601 A1 US 2007155601A1
- Authority
- US
- United States
- Prior art keywords
- exercise
- bladder
- flexible bladder
- flat surface
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/18—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical support
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/0004—Exercising devices moving as a whole during exercise
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
- A63B2022/0033—Lower limbs performing together the same movement, e.g. on a single support element
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/62—Inflatable
Definitions
- This invention relates to exercise equipment. More particularly, this invention relates to air-filled exercise devices that are used to work various muscle groups and to promote core stability.
- Prior exercise balls are relatively large-diameter (12-42 inches) air-filled balls that are sufficiently strong to support a person's body weight retaining a generally spherical shape.
- Exercise balls are useful to target specific muscle groups. Sit-ups and other abdominal exercises can be much more effective when they're done using an exercise ball. Limited research in the scientific literature suggests that exercise training on an unstable surface results in increased muscle activity, as a means to provide stability to the system (human body) during an exercise.
- a problem with prior art exercise balls is that they tend to roll and wobble during exercise. Indeed, the prior art exercise ball's tendency to pitch and roll makes exercises that are performed with an exercise ball more challenging because the ball's tendency to pitch and roll requires the person using the ball to provide more muscle control (to control the ball's movement as well as the exercise being performed) than would be required to perform the same exercise on a flat surface. For people who need or who want the more focused muscle work provided by an exercise ball, but who are unable to control the pitching and rolling of a prior art exercise bal, there exists a need to provide an exercise device that reduces or eliminates roll.
- Prior dome-shaped inflatable balance trainers such as the BOSU® balance trainer, have hard plastic bases and tend to be large and heavy, weighing upward of 14 lbs. These devices are not designed to fit comfortably between the user and the floor when the user is in a substantially supine position.
- an air-filled, hemi-spherically shaped exercise device that reduces or eliminates pitching and rolling of prior art round exercise balls. Because the device is hemispherical, the flat surface of the device that is placed on the floor, reduces or even eliminates excessive pitching and rolling that some prior art devices cause. In addition, the unitary construction of the present invention provide the limited additional instability of a distended base under load, while maintaining a low profile for ease of use and storage.
- FIG. 1 is a general perspective view of the preferred embodiment of an exercise apparatus according to the present invention
- FIG. 2 is a bottom view of the device shown in FIG. 1 ;
- FIG. 3 is a side view
- FIG. 4 is a side view of the device showing its deformation under load by a person using the device for exercise and the resultant partial deformation of the flat surface;
- FIG. 5 is a perspective view of an exercise apparatus according to the present invention with a user shown in a first exercise position;
- FIG. 6 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a second exercise position;
- FIG. 7 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a third exercise position;
- FIG. 8 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a fourth exercise position.
- FIG. 1 shows an exercise device 10 made from a flexible bladder, which takes the shape of a hemisphere when filled with air or other gas.
- a hemisphere is a half sphere, thus, the exercise device 10 shown in FIG. 1 includes a substantially planar or flat bottom 12 surface that is placed against a floor, table, mat or other flat surface on which exercises can be performed using the device 10 but the flat surface 12 prevents the device 10 from rolling or pitching as prior art round exercise balls are known to do.
- the flat bottom 12 of the exercise device 10 includes an air inflation port or valve 14 through which well-known prior art “needles” can be inserted so as to allow the bladder to be inflated. Because the device is made from a relatively pliable material, those of ordinary skill in the art will appreciate that the firmness of the device 10 will be directly related to the amount of gas or air pumped into the device 10 .
- the flexible bladder is made from a flexible polymer or vulcanized rubber. In another embodiment, the flexible bladder is made from a relatively thin poly vinyl chloride or “PVC.” A preferred embodiment uses PVC, the thickness of which is approximately 2-3 mm.
- the exercise device's weight can be kept to less than approximately 1200 g. (1.2 Kg.) thereby allowing the device to be easily moved and stored.
- the hemisphere-shaped exercise device 10 shown in FIG. 1 should be sized to allow the device 10 to comfortably support a person relatively close to the floor or other supporting surface under the small of the user's back, buttocks or feet as he or she performs various exercises using the device 10 in a substantially supine position.
- the device has an interior radius of approximately five inches and a flat bottom diameter of approximately fifteen inches.
- the term “interior radius” is considered to be the distance from the geometric center of the flat bottom 12 , extending away from the center of the bottom 12 to the inner surface of the bladder when the device 10 is both fully inflated and not supporting a load.
- FIG. 3 there is shown a side view of the device 10 and the flat bottom 12 having a diameter “D” as shown. Also shown in FIG. 3 is a body part 16 of a user, just above the device 10 .
- the device 10 is shown to be under a load presented as the body weight of a person using the device 10 .
- a user's body weight is impressed on the device 10 by the body part 16 being placed directly atop the hemisphere-shaped bladder thereby, the person's body weight causes the device to deform, i.e., become non-hemispherical.
- the exercise device 10 becomes mildly unstable when it is supporting a load, slightly increasing the difficulty for exercises performed using the device 10 .
- FIGS. 5 and 6 depict the device 10 being used to perform abdominal “crunch” exercises.
- placement of the exercise device 10 beneath the spine reduces the likelihood of injury.
- By reducing the air pressure in the device 10 its deformation for exercises like abdominal crunch can be increased thereby improving its comfort level.
- FIG. 7 and 8 depict the device 10 being used to support the lower back during “crunches.” By positioning the device in small of the lower back, the user can more effectively exercise abdominal muscle groups.
- a goal of muscle strengthening is to move freely through a full range of motion, and the present invention allows for a greater range of motion at the trunk, with subsequent greater muscle activity during a repetition.
- Use of this device resulted in an exercise that required greater trunk range of motion and greater muscle activity in the rectus abdominus (upper portion) and external oblique muscle.
- abdominus upper portion
- oblique muscle Several factors appear to contribute to the greater muscle activity measured with this device compared with a traditional floor exercise.
- the device allows a user to work through a greater range of motion.
- the muscles of the motion are required to work over a greater range of muscle action.
- the muscles of the anterior trunk are engaged with the trunk in an extended position (beginning of crunch exercise) as well as a flexed position (end of crunch exercise; i.e., the curled-up position).
- the extended position is performed with the center of mass of the upper body at a greater distance from the axis of rotation (the pelvis); hence the external effort arm is greater during the early phase of the crunch exercise.
- the center of mass of the upper body moves closer to the axis of rotation (pelvis), resulting in a decrease in the external effort arm.
- the device positions the trunk in a more extended position, lengthening the overall external moment arm more so than the traditional floor exercise.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
An inflatable unitary construction hemispherical or dome-shaped flat-bottomed exercise device analogous to an exercise ball having a flat and relatively stable surface to improve its usefulness to people who cannot control fully round prior art exercise balls.
Description
- This invention relates to exercise equipment. More particularly, this invention relates to air-filled exercise devices that are used to work various muscle groups and to promote core stability.
- Prior exercise balls are relatively large-diameter (12-42 inches) air-filled balls that are sufficiently strong to support a person's body weight retaining a generally spherical shape.
- Exercise balls are useful to target specific muscle groups. Sit-ups and other abdominal exercises can be much more effective when they're done using an exercise ball. Limited research in the scientific literature suggests that exercise training on an unstable surface results in increased muscle activity, as a means to provide stability to the system (human body) during an exercise.
- A problem with prior art exercise balls is that they tend to roll and wobble during exercise. Indeed, the prior art exercise ball's tendency to pitch and roll makes exercises that are performed with an exercise ball more challenging because the ball's tendency to pitch and roll requires the person using the ball to provide more muscle control (to control the ball's movement as well as the exercise being performed) than would be required to perform the same exercise on a flat surface. For people who need or who want the more focused muscle work provided by an exercise ball, but who are unable to control the pitching and rolling of a prior art exercise bal, there exists a need to provide an exercise device that reduces or eliminates roll.
- Prior dome-shaped inflatable balance trainers, such as the BOSU® balance trainer, have hard plastic bases and tend to be large and heavy, weighing upward of 14 lbs. These devices are not designed to fit comfortably between the user and the floor when the user is in a substantially supine position.
- There is provided an air-filled, hemi-spherically shaped exercise device that reduces or eliminates pitching and rolling of prior art round exercise balls. Because the device is hemispherical, the flat surface of the device that is placed on the floor, reduces or even eliminates excessive pitching and rolling that some prior art devices cause. In addition, the unitary construction of the present invention provide the limited additional instability of a distended base under load, while maintaining a low profile for ease of use and storage.
- For the sake of brevity, like elements are denoted by the same reference numerals throughout the disclosure.
-
FIG. 1 is a general perspective view of the preferred embodiment of an exercise apparatus according to the present invention; -
FIG. 2 is a bottom view of the device shown inFIG. 1 ; -
FIG. 3 is a side view; -
FIG. 4 is a side view of the device showing its deformation under load by a person using the device for exercise and the resultant partial deformation of the flat surface; -
FIG. 5 is a perspective view of an exercise apparatus according to the present invention with a user shown in a first exercise position; -
FIG. 6 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a second exercise position; -
FIG. 7 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a third exercise position; and -
FIG. 8 is a view of the preferred embodiment of an exercise apparatus according to the present invention with a user shown in a fourth exercise position. -
FIG. 1 shows anexercise device 10 made from a flexible bladder, which takes the shape of a hemisphere when filled with air or other gas. As is well known, a hemisphere is a half sphere, thus, theexercise device 10 shown inFIG. 1 includes a substantially planar orflat bottom 12 surface that is placed against a floor, table, mat or other flat surface on which exercises can be performed using thedevice 10 but theflat surface 12 prevents thedevice 10 from rolling or pitching as prior art round exercise balls are known to do. - As shown in
FIG. 2 , theflat bottom 12 of theexercise device 10 includes an air inflation port orvalve 14 through which well-known prior art “needles” can be inserted so as to allow the bladder to be inflated. Because the device is made from a relatively pliable material, those of ordinary skill in the art will appreciate that the firmness of thedevice 10 will be directly related to the amount of gas or air pumped into thedevice 10. - In one embodiment, the flexible bladder is made from a flexible polymer or vulcanized rubber. In another embodiment, the flexible bladder is made from a relatively thin poly vinyl chloride or “PVC.” A preferred embodiment uses PVC, the thickness of which is approximately 2-3 mm.
- By using thin, lightweight flexible materials, the exercise device's weight can be kept to less than approximately 1200 g. (1.2 Kg.) thereby allowing the device to be easily moved and stored.
- In a preferred embodiment, the hemisphere-
shaped exercise device 10 shown inFIG. 1 should be sized to allow thedevice 10 to comfortably support a person relatively close to the floor or other supporting surface under the small of the user's back, buttocks or feet as he or she performs various exercises using thedevice 10 in a substantially supine position. In the preferred embodiment, the device has an interior radius of approximately five inches and a flat bottom diameter of approximately fifteen inches. As used herein the term “interior radius” is considered to be the distance from the geometric center of theflat bottom 12, extending away from the center of thebottom 12 to the inner surface of the bladder when thedevice 10 is both fully inflated and not supporting a load. - Referring now to
FIG. 3 there is shown a side view of thedevice 10 and theflat bottom 12 having a diameter “D” as shown. Also shown inFIG. 3 is abody part 16 of a user, just above thedevice 10. - In
FIG. 4 , thedevice 10 is shown to be under a load presented as the body weight of a person using thedevice 10. When a user's body weight is impressed on thedevice 10 by thebody part 16 being placed directly atop the hemisphere-shaped bladder thereby, the person's body weight causes the device to deform, i.e., become non-hemispherical. - As shown in
FIG. 4 , when a load is impressed on the top ofdevice 10, the resulting increased internal pressure causes the flexible base of the device to distend. Thecircumferential edge 18 of thebottom 12 rolls or curls upwardly, thereby reducing the device's stability. Stated alternatively, theexercise device 10 becomes mildly unstable when it is supporting a load, slightly increasing the difficulty for exercises performed using thedevice 10. -
FIGS. 5 and 6 depict thedevice 10 being used to perform abdominal “crunch” exercises. As those of ordinary skill in the art will appreciate, placement of theexercise device 10 beneath the spine reduces the likelihood of injury. By reducing the air pressure in thedevice 10, its deformation for exercises like abdominal crunch can be increased thereby improving its comfort level. -
FIG. 7 and 8 depict thedevice 10 being used to support the lower back during “crunches.” By positioning the device in small of the lower back, the user can more effectively exercise abdominal muscle groups. - A goal of muscle strengthening is to move freely through a full range of motion, and the present invention allows for a greater range of motion at the trunk, with subsequent greater muscle activity during a repetition. Use of this device resulted in an exercise that required greater trunk range of motion and greater muscle activity in the rectus abdominus (upper portion) and external oblique muscle. Several factors appear to contribute to the greater muscle activity measured with this device compared with a traditional floor exercise.
- The device allows a user to work through a greater range of motion. Thus, the muscles of the motion are required to work over a greater range of muscle action. Because of this greater range of motion, the muscles of the anterior trunk are engaged with the trunk in an extended position (beginning of crunch exercise) as well as a flexed position (end of crunch exercise; i.e., the curled-up position). The extended position is performed with the center of mass of the upper body at a greater distance from the axis of rotation (the pelvis); hence the external effort arm is greater during the early phase of the crunch exercise. As the crunch motion continues, the center of mass of the upper body moves closer to the axis of rotation (pelvis), resulting in a decrease in the external effort arm. The device positions the trunk in a more extended position, lengthening the overall external moment arm more so than the traditional floor exercise.
- It will be apparent to those of ordinary skill in the art that various modifications can be made to the
device 10 described above without departing from the spirit of the present invention. The scope of the invention is as recited in the appended claims.
Claims (8)
1. An exercise device comprised of:
a flexible bladder, sized, shaped and arranged to take the form of a hemisphere when the flexible bladder is at least partially filled with air, the substantially hemispheric bladder having a substantially flat surface for placement onto a floor or other flat surface.
2. The device of claim 1 , wherein the flexible bladder is further comprised of at least one inflation valve for filling the bladder with air or other gas.
3. The device of claim 1 , wherein the flexible bladder is made of a polymeric substance or a vulcanized rubber material.
4. The device of claim 1 , wherein the flexible bladder is poly vinyl chloride (PVC).
5. The device of claim 4 , wherein the PVC is approximately 2 mm thick.
6. The device of claim 1 , wherein the device weighs less than 1200 g.
7. The device of claim 1 , wherein the interior radius of the inflated and unloaded hemisphere is less than 6 inches.
8. The device of claim 1 , wherein the diameter of the flat surface of the device is less than 17 inches.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/323,777 US20070155601A1 (en) | 2005-12-30 | 2005-12-30 | Inflatable exercise device |
EP06027016A EP1803490A1 (en) | 2005-12-30 | 2006-12-28 | Inflatable exercise device |
CNA2006101563521A CN101015734A (en) | 2005-12-30 | 2006-12-29 | Inflatable exercise device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/323,777 US20070155601A1 (en) | 2005-12-30 | 2005-12-30 | Inflatable exercise device |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070155601A1 true US20070155601A1 (en) | 2007-07-05 |
Family
ID=37852884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/323,777 Abandoned US20070155601A1 (en) | 2005-12-30 | 2005-12-30 | Inflatable exercise device |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070155601A1 (en) |
EP (1) | EP1803490A1 (en) |
CN (1) | CN101015734A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD245708S (en) * | 1975-10-10 | 1977-09-06 | Raymond Dallaire | Window component extrusion |
US20080176726A1 (en) * | 2007-01-22 | 2008-07-24 | Richard Lin | Fitness ring |
US20080254956A1 (en) * | 2007-04-16 | 2008-10-16 | Purvis Thomas C | Abdominal Exercise Device |
US20100304629A1 (en) * | 2006-12-12 | 2010-12-02 | Jean-Michel Onofri | Adjustable Floatability Device |
US20140371041A1 (en) * | 2013-06-13 | 2014-12-18 | Brian T. Terpstra | Total brain balance training equipment |
US8926483B1 (en) | 2014-08-25 | 2015-01-06 | Jennifer J. Holloway | Interchangeable balance dome cover apparatus |
US10220243B2 (en) * | 2016-10-27 | 2019-03-05 | Christian Koegel | Exercise system |
USD886216S1 (en) * | 2018-12-14 | 2020-06-02 | T.K. Chin Company Ltd. | Seated balance pad |
USD889579S1 (en) * | 2015-11-18 | 2020-07-07 | LeCharles Bentley | Exercise training device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD832929S1 (en) * | 2017-03-03 | 2018-11-06 | Austin Huett | Bull head bouncy ball |
CN112791356A (en) * | 2020-12-25 | 2021-05-14 | 北京城市系统工程研究中心 | Balance capacity measuring device and method based on water bag disturbance |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6575885B1 (en) * | 1999-10-04 | 2003-06-10 | D.W. Fitness, Llc | Inflatable device and method for using the device |
USD507608S1 (en) * | 2004-03-10 | 2005-07-19 | Wen-Hsing Chen | Air cushion for exercising |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2032544A1 (en) * | 1970-07-01 | 1972-01-13 | Schilling, Gerd, 8000 München | Gymnastics hemisphere - of pvc or synthetic rubber |
US6422983B1 (en) * | 1999-10-04 | 2002-07-23 | D. W. Fitness, Llc | Inflatable device and method for using the device |
US6551225B1 (en) * | 2000-01-24 | 2003-04-22 | Ron Richard Romero | Flexible hemispherical exercise |
US7004886B2 (en) * | 2003-05-02 | 2006-02-28 | Wen-Hsing Chen | Air cushion for exercise |
US6719676B1 (en) * | 2003-05-13 | 2004-04-13 | Cheng-Hsiung Hsu | Inflatable elastic exercising device |
US6945919B2 (en) * | 2003-07-11 | 2005-09-20 | Lien Chuan Yang | Balance-exercising semi-spherical apparatus |
-
2005
- 2005-12-30 US US11/323,777 patent/US20070155601A1/en not_active Abandoned
-
2006
- 2006-12-28 EP EP06027016A patent/EP1803490A1/en not_active Withdrawn
- 2006-12-29 CN CNA2006101563521A patent/CN101015734A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6575885B1 (en) * | 1999-10-04 | 2003-06-10 | D.W. Fitness, Llc | Inflatable device and method for using the device |
USD507608S1 (en) * | 2004-03-10 | 2005-07-19 | Wen-Hsing Chen | Air cushion for exercising |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD245708S (en) * | 1975-10-10 | 1977-09-06 | Raymond Dallaire | Window component extrusion |
US20100304629A1 (en) * | 2006-12-12 | 2010-12-02 | Jean-Michel Onofri | Adjustable Floatability Device |
US8517635B2 (en) * | 2006-12-12 | 2013-08-27 | Jean-Michel Onofri | Adjustable floatability device |
US20080176726A1 (en) * | 2007-01-22 | 2008-07-24 | Richard Lin | Fitness ring |
US20080254956A1 (en) * | 2007-04-16 | 2008-10-16 | Purvis Thomas C | Abdominal Exercise Device |
US20140371041A1 (en) * | 2013-06-13 | 2014-12-18 | Brian T. Terpstra | Total brain balance training equipment |
US8926483B1 (en) | 2014-08-25 | 2015-01-06 | Jennifer J. Holloway | Interchangeable balance dome cover apparatus |
USD889579S1 (en) * | 2015-11-18 | 2020-07-07 | LeCharles Bentley | Exercise training device |
US10220243B2 (en) * | 2016-10-27 | 2019-03-05 | Christian Koegel | Exercise system |
USD886216S1 (en) * | 2018-12-14 | 2020-06-02 | T.K. Chin Company Ltd. | Seated balance pad |
Also Published As
Publication number | Publication date |
---|---|
EP1803490A1 (en) | 2007-07-04 |
CN101015734A (en) | 2007-08-15 |
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Legal Events
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STCB | Information on status: application discontinuation |
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