define instability
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- Definition of instability: Unusually or unnaturally large fluctuation that may lead to serious damage or system failure if allowed to continue beyond a certain limit. Dictionary Term of Day Articles Subjects Sign Up
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chaos The definition of chaos refers to lack of order or lack of intentional design. An example of chaos is an extremely messy room with papers piled everywhere.
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Physical Therapist's Guide to  Multidirectional Instability of the Shoulder (MDI) What is Multidirectional Instability of the Shoulder? MDI of the shoulder is defined as generalized laxity (looseness) of the joint due to increased mobility and joint weakness. The shoulder joint may slip in and out of its socket in a forward (anterior), backward (posterior), or downward (inferior) direction.
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Background The term anterior glenohumeral instability refers to a shoulder in which soft-tissue or bony insult allows the humeral head to sublux or dislocate from the glenoid fossa. The function of such a shoulder is compromised. Patients typically experience apprehension, recurrent subluxations, and frank dislocations.
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How doctors treat instability in the cervical spine How doctors treat instability in the cervical spine. Cervical instability refers to structural degeneration in the cervical (upper) region of the spine, which can lead to pain and impaired movement. There are seven vertebrae in the neck, stacked from the base of the skull downward. These vertebrae support the weight of the head and allow for basic movements like nodding, turning and tilting.
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- Instability following hemiarthroplasty is one of the relatively more common postoperative complications. Damage or dysfunction of any passive or active shoulder stabilizers can lead to instability. A thorough evaluation of the joint is paramount for determining the underlying cause of instability.
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Shoulder Instability What is shoulder instability? Shoulder instability means that the shoulder joint is too loose and is able to slide around too much in the socket. In some cases, the unstable shoulder actually slips out of the socket. If the shoulder slips completely out of the socket, it has become dislocated.
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- Identifying the causes of genome instability is crucial to understanding genome dynamics during cell proliferation and its role in cancer, aging, and a number of rare genetic diseases.uch events are primarily associated with defects in DNA replication and the DNA damage response, and show high incidence at repetitive DNA, non-B DNA structures, DNA-protein barriers, and highly transcribed regions.
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Definitions &Translations In numerous fields of study, the component of instability within a system is generally characterized by some of the outputs or internal states growing without bounds. Not all systems that are not stable are unstable; systems can also be marginally stable or exhibit limit cycle behavior.
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Is joint instability in knee osteoarthritis mediated by proprioception and/or somatosensation? Perceived knee instability is a common problem in knee osteoarthritis (OA), affecting approx. 70% of patients.[1] Since knee instability is associated with greater pain, poor physical functioning and life quality a better understanding of the multifactorial nature of joint instability in knee (OA) is desirable.erceived knee instability is a common problem in knee osteoarthritis (OA), affecting approx. 70% of patients.[1] Since knee instability is associated with greater pain, poor physical functioning and life quality a better understanding of the multifactorial nature of joint instability in knee (OA) is desirable.
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Definitions &Translations Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  disturbance, perturbation, upset(noun) an unhappy and worried mental state. there was too much anger and disturbance; she didn't realize the upset she caused me. 2  upset, derangement, overthrow(noun) the act of disturbing the mind or body.
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- Division UHCO, Antofagasta. ABSTRACT. A study was made on the effect of temperature on the electrodeposition of hard chromium on 1045 steel within a range of 30° to 60°C, as shown by variations in reaction yield, surface hardness, and depositional grain size.
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Shoulder Instability (Anterior) Shoulder Instability (Anterior) One of the most common causes of shoulder pain in young, active individuals is underlying instability. Shoulder instability, or increased, abnormal sliding of the shoulder, is a common disorder in throwing athletes, weight lifters, football players and swimmers. which make up the shoulder.
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- Ultimately, instability may be the result of a variety of spine conditions and can result in pain, deformity and/or neurologic compromise. Despite lack of an agreed upon clinical definition, instability is generally accepted as the underlying primary indication for a lumbar spinal fusion procedure.
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- Postural instability refers to imbalance and loss of righting reflexes. Its emergence in a patient with Parkinson disease is an important milestone, because it is poorly amenable to treatment and a common source of disability in late disease.
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- The Treaty of Versailles sowed the seeds of instability in Europe in the sense that it created a sense of power imbalance and weakened Germany (which led to World War 2). Edit. Share to: 1  Signs and Symptoms of Patellar Instability In addition to the discomfort brought on by knee pain, it can also cause instability.
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turmoil Turmoil is defined as a state of upset and confusion. An example of turmoil is the feelings one has if they need to quickly relocate to a new city. turmoil. turmoil. A state of extreme confusion or agitation; commotion or tumult: a country in turmoil over labor strikes. Origin unknown. turmoil.
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- The British Government Study (1944) noted that cartel instability is a prominent feature in those industries susceptible to “violent” changes in economic conditions. More stable industries– such as matches, electric lamps, and quinine– saw steady cartel activity over long periods (British Government 1944, p. xxxii).
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Atmospheric instability These indices, as well as atmospheric instability itself, involve temperature changes through the troposphere with height, or lapse rate. Effects of atmospheric instability in moist atmospheres include thunderstorm development, which over warm oceans can lead to tropical cyclogenesis, and turbulence.
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chaos Mathematics. A system, such as the weather, that develops from a set of often simple initial conditions but behaves very differently if the initial conditions are changed even slightly. Chaotic systems often appear random and unpredictable, but in fact have regular patterns that are repeated at any scale of observation.
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Instability Hydrostatic instability or static instability/vertical instability (parcel instability), thermodynamic instability (atmospheric thermodynamics) Conditional or static instability, buoyant instability, latent instability, nonlocal static instability, conditional-symmetric instability; convective, potential, or thermal instability, convective instability of the first and second kind; absolute or mechanical instability
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turmoil From Longman Dictionary of Contemporary Englishturmoiltur‧moil /ˈtɜːmɔɪl $ ˈtɜːr-/ ●○○ noun [singular, uncountable] CONFUSEDa state of confusion, excitement, or anxietypolitical/emotional/economic/religious etc turmoil the prospect of another week of political turmoilin (a) turmoil Ashley gazed at him, her thoughts in turmoil.
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- (sĭm′təm, sĭmp′-) n. 1. An indication of a disorder or disease, especially a subjective one such as pain, nausea, or weakness. 2. A characteristic sign or indication of the existence of something else: drought and erratic rainfall as symptoms of climate change.
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What is spinal instability? Spinal instability is a term used to describe abnormal movement between 2 vertebrae. Clinical instability is an important cause of low back pain. As we get older, our discs degenerate and lose tension, which allows them to bulge and thus permitting an increase in movements to appear between the vertebrae.
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Definitions &Translations Rebellion, uprising, or insurrection is a refusal of obedience or order. It may, therefore, be seen as encompassing a range of behaviors aimed at destroying or taking over the position of an established authority such as a government, governor, president, political leader, or person in charge.
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- The instability is a characteristic of these and some other elements, and this is because these large nuclei are so massive that their nuclear binding energy cannot hold them together indefinitely. Note that spontaneous fission is just one possibility as regards the decay of these heavy nuclei.