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Any basic biology class is sure to cover one of the core principles of cell health and construction: cells need oxygen. In order to burn energy, cells rely on oxygen transported to them by blood in the body. The bodyâ€™s blood flow exchanges fresh oxygen to cells for the carbon dioxide they produce as waste. If this exchange does not take place, the carbon dioxide in a cell can cause the cell to malfunction, and even die. The human body is made up of hundreds of thousands of cells, and regardless of cell type, each relies on this basic exchange to promote good cell health, und ultimately, good human health.
We know that there are many health problems associated with our ever increasing sedentary lifestyles. From an increased risk of diabetes to back aches, sitting too much is certainly something we are paying for with our happiness and our health. Too many of usâ€”nearly 50 million Americans, according to ScienceDailyâ€”have a nearly constant sedentary work-play routine, and certainly individuals with physical disabilities who may be confined to a wheelchair, suffer the consequences of prolonged sitting.
One such consequence is decreased blood flow. When a person sits or lies down, doing so hampers the ability of blood to flow easily and freely throughout the body. This is the reason it can seem as if certain parts of your body â€œfall asleepâ€ when sitting too long. In the seated position nearly half of your body weight rests on the pelvic region, more specifically, the ischial tuberosities.
The small ischial tuberosities refer to delicate knobs at the base of the pelvis, often commonly called the â€œsitting bones.â€ While the bodyâ€™s buttocks are designed to carry the bulk of the load whenever sitting, in many of todayâ€™s sitting arrangements, more pressure is actually placed on the ischial tuberosities. As soft body tissues press down in this region toward the base of the pelvis, blood supply is reduced. Consequently, there is less exchange of oxygen rich delivery with carbon-dioxide waste takeout.
While all body tissue can withstand a certain amount of oxygen deprivation, without adequate oxygen flow through tissue cells, those cells can die. Cell death results in tissue deterioration and presents a host of health problems.
Keeping adequate oxygen flowing to enable tissue perfusion is a major concern for people who use wheelchairs, due to disabilities. As carbon dioxide builds up in body tissue, metabolic functions of that tissue shut down and it becomes more likely that tissue will die. In fact, research indicates that in nearly 50% of the 1.4 million people who rely on wheelchairs for mobility pressure ulcers and tissue death are common. For this reason, alternative seating materials like gel and air bladders have been developed for use in wheelchair design and rehabilitation exercises. Wheelchair users are also taught and encouraged to do pressure relief pushups every hour.
For able-bodies sitters, the bodyâ€™s natural inclination towards movement provides cues for pressure relief. Generally, an individual can only sit for approximately 30 minutes before they will begin to fidget. This fidgeting is the nervous systemâ€™s way of promoting more blood and oxygen flow. It acts as a micro-movement to temporarily shift body weight and pressure away from the ischial tuberosities.
Because people sit more than ever before, they consequently fidget a lot. In fact, if regular rest and restorative breaksÂ are not consciously incorporated into seated work, people will often become so uncomfortable that they will stand up from their chair and completely disengage from their work for extensive periods. In fact, according to a study performed by Miami Universityâ€™s Center for Ergonomic Research:
â€œPeople who sit for long periods during their workday take an average of 47% more breaks than their counterparts who stood to work. Breaks were typically longer for sitting workers too.â€
Clearly, this results in a loss of productivity.
What is needed are solutions that allow seated individuals to relieve pressure from the soft tissues surrounding the ischial tuberosities while seated, as well as more education and training about the importance of sit-stand workflow.
At VersaTables, we fully embrace the ergonomic principle that work and machine should be designed around the people who engage with them. To this end, we have created several high-quality chairs that keep pressure distribution and movement in mind. The postural range, adjustability and shape of an office task chair can all promote physical movement, without resulting in productivity loss.
The unique composite material of poly-foam seats allows for each chair seat to form to the userâ€™s body shape, providing full support along all the bodyâ€™s spine, pelvic and thighs pressure points. Further, poly-foam seats evenly distribute pressure and weight, as well as provide for core temperature management.
All of our chairs, like the Harmony Task Chair, come with one-touch lift height adjustment and adjustable arms, which is important for ergonomic and comfortable working. In terms of circulation and oxygen flow, it is more important to note that each of our office chairs provides for easy tilt adjustment. This enables users to comfortably shift and change positions in their office chairs without interrupting the flow of their work.
These features are exemplary of VersaTablesâ€™ innovative engineering. Such products help relieve seated pressure, improving oxygen flow through the body. This, in turn, creates a healthier and more comfortable seating solution, allowing people to engage with their work with an increased focus and attention.
Certainly, along with using a supportive and ergonomic office task chair, the ability for seated workers to adopt sit-stand workflow practices is ideal. A sit-stand workstation connects all human physiological systems, integrating physical, mechanical and biochemical functions for the best possible health.
In a sit-stand work arrangement, an individual can easily move from seated work, to ergonomically correct standing work. Of course, in order to effectively do so, appropriate and adjustable office furniture is needed.
VersaTables is proud to offer premium sit-stand computer furniture for healthy workstations. Our sleek and contemporary designs fit seamlessly into office, home, medical and educational settings, while the furniture features promote healthy, ergonomic standing movement.
Consider, for example, our computer fusion car line. These products, like The Deluxe Fusion Cart, are among the most versatile fusion carts manufactured. With steel casters and a push handle, they move easily and smoothly, and are compact enough to maneuver through tight spaces or be stored in a closet. Each component adjusts independently and with a full range of adjustability, it is easy to work at this station either seated or standing.
Ranging in size from a 24â€ work surface to a 72â€ work surface, these work stations are designed to be the most functional and flexible on todayâ€™s office furniture market. They provide for maximum space efficiency, securely supporting PC equipment, while also enabling full range adjustability to facilitate sit-stand workflow.
With work surfaces ranging from 30â€ to 72â€, our adjustable computer tables offer a more traditional desk surface that is still completely adjustable in nature, making them the most ideal sit-stand solutions for office, home and classroom use today.
In a society where sitting, as opposed to movement, has become standard, we seek to lead the revolution to healthier working solutions. By providing computer furniture pieces that promote healthy, ergonomic workflow we continually challenge offices, educational institutions and medical facilities to place priority on the health of their employees, patients and students.