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"Leaning" redirects here. For the surname, see Leaning (surname)
"Orthostasis" redirects here. For posturally transient low blood pressure, see Orthostatic hypotension
Standing womenStanding, also referred to as orthostasis, is a position in which the body is held in an upright (orthostatic) position and supported only by the feet. Although seemingly static, the body rocks slightly back and forth from the ankle in the sagittal plane, which bisects the body into right and left sides. The sway of quiet standing is often likened to the motion of an inverted pendulum.[1]
Standing at attention is a military standing posture, as is stand at ease, but these terms are also used in military-style organisations and in some professions which involve standing, such as modeling. At ease refers to the classic military position of standing with legs slightly apart, not in as formal or regimented a pose as standing at attention. In modeling, model at ease refers to the model standing with one leg straight, with the majority of the weight on it, and the other leg tucked over and slightly around. There may be a time when a person is standing, where they lose control due to an external force or lack of energy, where they accelerate to the ground due to gravity. This is known as "falling" and may result in injuries around the part of the body that made contact with the ground.
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Standing posture relies on dynamic rather than static balance. The human center of mass is in front of the ankle, and unlike in tetrapods, the base of support is narrow, consisting of only two feet. A static pose would cause humans to fall forward onto the face.[2] In addition, there are constant external perturbations, such as breezes, and internal perturbations that come from respiration. Erect posture requires adjustment and correction. There are many mechanisms in the body that are suggested to control this, e.g. a spring action in muscles, higher control from the nervous system or core muscles. Humans begin to stand between 8 and 12 months of age.
A child learning to stand[
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Traditionally, such correction was explained by the spring action of the muscles, a local mechanism taking place without the intervention of the central nervous system. Recent studies, however, show that this spring action by itself is insufficient to prevent a forward fall. Also, human sway is too complicated to be adequately explained by spring action. [3][4]
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According to current theory, the nervous system continually and unconsciously monitors our direction and velocity. The vertical body axis alternates between tilting forward and backward. Before each tilt reaches the tipover point, the nervous system counters with a signal to reverse direction. Sway also occurs in the hip, and there is a slight winding and unwinding of the lower back.[5][6]
An analogy would be a ball that volleys back and forth between two players without touching the ground. The muscle exertion required to maintain an aligned standing posture is crucial but minimal. Electromyography has detected slight activity in the muscles of the calves, hips and lower back.[7]
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The core muscles play a role in maintaining stability. The core muscles are deep muscle layers that lie close to the spine and provide structural support. The transverse abdominals wrap around the spine and function as a compression corset. The multifidi are intersegmental muscles. Dysfunction in the core muscles has been implicated in back pain.[8][9]
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Some investigators have replaced the ankle inverted pendulum analogy with a model of double linked pendulums involving both hip and ankle sway.[10] Neither model is accepted as more than an approximation. Analysis of postural sway shows much more variation than is seen in a physical pendulum or even a pair of coupled pendulums. Furthermore, quiet standing involves activity in all joints, not just the ankles or hips.[11]
In the past, the variation was attributed to random effects.[12] A more recent interpretation is that sway has a fractal structure.[13][14][15] A fractal pattern consists of a motif repeated at varying levels of magnification. The levels are related by a ratio called the fractal dimension. It is believed that the fractal pattern offers a range of fine and gross control tuning. Fractal dimension is altered in some motor dysfunctions.[16] In other words, the body cannot compensate well enough for imbalances.
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Although standing per se is not dangerous, there are pathologies associated with it. One short term condition is orthostatic hypotension, and long term conditions are sore feet, stiff legs and low back pain.
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Orthostatic hypotension is characterized by unusually low blood pressure when the patient is standing up.
It can cause dizziness, lightheadedness, headache, blurred or dimmed vision and fainting, because the brain does not get sufficient blood supply. This, in turn, is caused by gravity, pulling the blood into the lower part of the body.
Normally, the body compensates, but in the presence of other factors, e.g. hypovolemia, diseases and medications, this response may not be sufficient.
There are medications to treat hypotension. In addition, there are many lifestyle advisories. Many of them, however, are specific for a certain cause of orthostatic hypotension, e.g. maintaining a proper fluid intake in dehydration.
For more information, please visit 72 inch electric standing desk.
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Prolonged still standing significantly activates the coagulation cascade, called orthostatic hypercoagulability. Overall, it causes an increase in transcapillary hydrostatic pressure. As a result, approximately 12% of blood plasma volume crosses into the extravascular compartment. This plasma shift causes an increase in the concentration of coagulation factors and other proteins of coagulation, in turn causing hypercoagulability.[17]
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Characterized by fast (12&#;18 Hz) rhythmic muscle contractions that occur in the legs and trunk immediately after standing. No other clinical signs or symptoms are present and the shaking ceases when the patient sits or is lifted off the ground. The high frequency of the tremor often creates a rippling effect on the leg muscles while standing.
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Standing per se does not pose any harm. In the long term, however, complications may arise.
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In an era where many individuals are prioritising health and wellbeing, workers are seeking ergonomic solutions for their workspaces. As a result of this, standing desks have emerged as a popular choice.
Offering the flexibility to alternate between sitting and standing positions with a push of a button, these desks promote better posture, blood circulation, productivity and overall well-being.
However, as with any big investment, it&#;s important to understand the lifespan of a standing desk.
Typically speaking, standing desks can last anywhere between 5-15 years, depending on a range of factors such as the quality of materials used to make the desk, usage habits and how many times it's being used.
Let's look at these influences in more detail..
Here are 5 factors that will determine how long a standing desk lasts:
As with all furniture, the build quality is a major factor in how long standing desks will last, and this is the case with the desktop, frame, leg and mechanism materials.
Standing desks made from high-quality strong materials such as steel, aluminium, or premium wood will last much longer than those made of weak parts. We&#;re talking 10-15 years or more with the proper care.Standing desks made from high-quality strong materials such as steel, aluminium, or premium wood will last much longer than those made of weak parts. We&#;re talking 10-15 years or more with the proper care.
Here are some of the top materials you can find to create high-quality standing desks:
Browse our quality range of adjustable desk frames and desktops here.
The longevity of a standing desk is also greatly influenced by how frequent it is used.
For example, a standing desk that is used every day, especially if it's adjusted multiple times throughout the day, will naturally experience more wear on its mechanical and electrical components.
However, desks that are adjusted less frequently will have less wear on their moving parts, and these desks might last a bit longer because their components aren't stressed as often.
The more a standing desk is used, naturally, the more wear and tear it will encounter.
The quality of the lifting mechanisms, such as electric motors or pneumatic systems will also greatly impact durability and lifespan.
The lifespan of electric standing desks heavily depends on the quality of the motors used. As you would imagine, high-quality motors from reputable brands will last longer, whereas cheaper motors may wear out faster. However, getting the desk maintained regularly and ensuring the motors are clean can prolong the life of an electric standing desk.
On the other hand, manual standing desks adjust their height using mechanical mechanisms such as cranks or pneumatic levers. This means they have fewer components that can fail compared to their electric counterparts.
The mechanical components, like the crank and gears, are generally robust but can wear out over time with frequent use, but regular maintenance, such as lubricating the moving parts and avoiding excessive force, can further prolong their lifespan and usability.
Learn more about electric vs manual standing desks here.
How a standing desk is used will also determine how long it will last for.
For example, placing heavy desk equipment like multiple monitors, desktop computers, or other office equipment can strain the desk's frame and lifting mechanisms, leading to quicker wear&#; especially if the desk isn&#;t made from strong, high-quality materials.
Rough handling and exceeding weight limits can also hinder its integrity and functionality over a long period. It&#;s important to ensure you&#;re properly distributing weight across the desk and not exceeding the weight capacity.
Also, standing desks that are used by multiple people in a professional setting are likely to be used more rigorously, increasing the frequency of adjustments and overall wear.
As touched on in the points above, maintenance plays a crucial role in determining the lifespan of a standing desk, whether it be electric or manual.
Proper care can prevent premature wear, keep the standing desk functioning smoothly, and address minor issues before they become bigger problems.
It&#;s therefore a good idea to establish a regular maintenance routine, including elastic component lubrication, surface cleaning, and visual inspection for damaged or loose parts are examples of integral maintenance procedures.
Looking for a standing desk for your home, office or workspace? Check out our full collection of standing desks, available for next working day delivery if ordered by 3pm.
Our desks come with a 7 year warranty, 30 day risk free return, as well as access to a UK-based customer service team to answer any questions that you might have.
Need additional help choosing a standing desk? Get in contact with our expert team with any queries.
Otherwise, our standing desk blog provides more useful tips on using a standing desk for a more balanced lifestyle. Feel free to contact us with any questions, with the handy live chat feature on our site, or via at .
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