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Journal articles on the topic 'Instability'

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1

Nindy, Vidyani Sari, Satyawati Rwahita, Haryono Yudha, and Nugraheni Nuniek. "The Prevalence and Characteristics Of Instability Using TUG And FRT in Elderly at RSUD Dr. Soetomo, Surabaya Period October 2023 – April 2024." World Journal of Advanced Research and Reviews 24, no. 3 (2024): 1178–83. https://doi.org/10.5281/zenodo.15187856.

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Instability is one of the geriatric syndromes that can cause falls in the elderly. Instability in the elderly is something to be aware of because it can cause injuries that result in decreased activity, decreased quality of life, and even death. This study aimed to describe the prevalence and characteristics of the elderly with instability in the Medical Rehabilitation Clinic at Dr. Soetomo General Hospital in the period October 2023 - April 2024. This was a cross-sectional descriptives study with total of 33 patients were given instruments such as Functional Reach Test for static instability,
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2

Goesasi, Rachmat Zulkarnain, Marietta Shanti Prananta, Ellyana Sungkar, and Andry Setiawan Lim. "REHABILITASI CHRONIC ANKLE INSTABILITY." Medika Kartika Jurnal Kedokteran dan Kesehatan, Volume 7 No 4 (December 30, 2024): 420–31. https://doi.org/10.35990/mk.v7n4.p420-431.

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Ankle sprain merupakan salah satu cedera muskuloskeletal yang paling umum terjadi. Sekitar 30% kasus dapat berkembang menjadi chronic ankle instability yang dapat membatasi aktivitas penderita secara signifikan. Chronic ankle instability (CAI) didefinisikan sebagai episode instabilitas ankle yang berulang dan terjadi 6-12 bulan pasca cedera awal. Anamnesis, pemeriksaan klinis dan pemeriksaan penunjang radiologis sangat diperlukan untuk mendapatkan diagnosa dan membedakan instabilitas ankle anatomis dan fungsional. Perbedaan antara keduanya sangat esensial untuk menentukan tata laksana yang ses
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3

Rossi, Marco, Andrea Piccolroaz, and Davide Bigoni. "Fusion of two stable elastic structures resulting in an unstable system." Journal of the Mechanics and Physics of Solids 173 (January 12, 2023): 105201. https://doi.org/10.5281/zenodo.15297439.

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It is shown that a compound elastic structure, which displays a dynamic instability, may be designed as the union (or ‘fusion’) of two structures which are stable when separately analysed. The compound elastic structure has two degrees of freedom and is made up of a rigid rod connected with two springs to a smooth support, which evidences a jump in the curvature at the equilibrium configuration. Instability is proven in a linearized context and is related to the application of a non-conservative load of the follower type so that the instability disappears under dead loads. In the f
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4

Mahdavi, M., and H. Khanzadeh. "The Study of Thermal Conditions on Weibel Instability." Advances in High Energy Physics 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/428013.

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Weibel electromagnetic instability has been studied analytically in relativistic plasma with high parallel temperature, where|α=(mc2/T∥)(1+p^⊥2/m2c2)1/2|≪1and while the collision effects of electron-ion scattering have also been considered. According to these conditions, an analytical expression is derived for the growth rate of the Weibel instability for a limiting case of|ζ=α/2(ω′/ck)|≪1, whereω′is the sum of the wave frequency of instability and the collision frequency of electrons with background ions. The results show that in the limiting conditionα≪1there is an unusual situation of the W
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5

White, Arthur H. "Instability." Journal of Spinal Disorders 5, no. 4 (1992): 142. http://dx.doi.org/10.1097/00002517-199203000-00033.

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6

Whitlock, M. C., and K. Fowler. "The instability of studies of instability." Journal of Evolutionary Biology 10, no. 1 (1997): 63–67. http://dx.doi.org/10.1046/j.1420-9101.1997.10010063.x.

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7

Whitlock, M. C., and K. Fowler. "The instability of studies of instability." Journal of Evolutionary Biology 10, no. 1 (1997): 63. http://dx.doi.org/10.1007/s000360050008.

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8

Pemde, Harish K. "Anorexia Nervosa with Autonomic Instability." Indian Journal of Youth and Adolescent Health 05, no. 02 (2018): 34–37. http://dx.doi.org/10.24321/2349.2880.201811.

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9

Heinrich, Harald, and Werner Metz. "Forced finite-time barotropic instability." Meteorologische Zeitschrift 15, no. 4 (2006): 451–61. http://dx.doi.org/10.1127/0941-2948/2006/0140.

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10

Maruyama, Koh, Seiji Sano, Katsuyuki Saito, and Yoshiyasu Yamaguchi. "Trauma-instability-voluntarism classification for glenohumeral instability." Journal of Shoulder and Elbow Surgery 4, no. 3 (1995): 194–98. http://dx.doi.org/10.1016/s1058-2746(05)80051-5.

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11

Ozen, O., and R. Narayanan. "Comparison of Evaporative Instability with Marangoni Instability." Industrial & Engineering Chemistry Research 44, no. 5 (2005): 1342–48. http://dx.doi.org/10.1021/ie0493255.

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12

Tovey, Craig A. "The instability of instability of centered distributions." Mathematical Social Sciences 59, no. 1 (2010): 53–73. http://dx.doi.org/10.1016/j.mathsocsci.2009.09.003.

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13

Voznyak, Halyna, Olha Mulska, Mariana Bil, and Yuriy Radelytskyy. "Financial wellbeing of households in instability." Investment Management and Financial Innovations 19, no. 1 (2022): 135–44. http://dx.doi.org/10.21511/imfi.19(1).2022.10.

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In instability and economic turbulence, the wellbeing of households as market economy entities constitutes the financial-investment capacity of a region, the level of which is determined by the conditions of the competitive socio-economic environment. The paper aims to estimate the financial wellbeing of households on the example of the oblasts of the Carpathian region of Ukraine in instability. The study is based on a system-integral estimation method, which includes the implementation of three stages: (1) development of a system of indicators, (2) determination and substantiation of weight s
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14

Tripathi, Tanya, A. N. Srivastava, and Sharique Ahmad. "MICROSATELLITE INSTABILITY : CORELATION WITH COLORECTAL CANCER." Era's Journal of Medical Research 6, no. 2 (2019): 139–46. http://dx.doi.org/10.24041/ejmr2019.144.

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15

Egger, Joseph. "Counterpropagating Rossby waves and barotropic instability." Meteorologische Zeitschrift 16, no. 5 (2007): 581–85. http://dx.doi.org/10.1127/0941-2948/2007/0239.

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16

Irawan, Andi, and Perry Warjiyo. "ANALISIS PERILAKU INSTABILITAS PEREKONOMIAN INDONESIA: PENDEKATAN KETERKAITAN EKONOMI MAKRO, PERDAGANGAN INTERNASIONAL DAN SEKTOR PERTANIAN." Buletin Ekonomi Moneter dan Perbankan 8, no. 3 (2007): 1–43. http://dx.doi.org/10.21098/bemp.v8i3.137.

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In general the aim of this study is to investigate short-run relationships among macroeconomy, international trade and agriculture in Indonesia. Under such circumstances, the specific goals of this research is to analyze whicheconomic blocks that have most affected by instability, as well as producing instability in the economy.We apply the Vector Error Correction Model on monthly series data from 1993:01 to 2002:12. The main resultof this study shows asfollow: 1) that the asset financial and the commodity demand blocks the most producing instability in the economy. On the other hand, the expo
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17

Karimpour, Shooka, and Vincent H. Chu. "Instability of unbounded transverse mixing layer in shallow waters." Canadian Journal of Civil Engineering 43, no. 6 (2016): 504–10. http://dx.doi.org/10.1139/cjce-2016-0018.

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This paper examines the role of waves in the development of the instability of an unbounded transverse mixing layer in shallow waters. In supercritical state waves become significant. The matching of the wave-like asymptotic solution in the far field to the solutions near the inflection and the returning surfaces poses a difficult mathematical problem. We therefore conducted numerical simulations to find solutions directly from the shallow water equations. The simulations found that the growing waves in the unstable current had a consistent structure throughout the linear stage of the instabil
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18

Brown, David E., and David M. Lichtman. "Midcarpal Instability." Hand Clinics 3, no. 1 (1987): 135–40. http://dx.doi.org/10.1016/s0749-0712(21)00640-5.

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19

Waldo, Patrick, and Laura Lee Odegaard. "Managing Instability." International Journal of the Arts in Society: Annual Review 6, no. 4 (2011): 47–58. http://dx.doi.org/10.18848/1833-1866/cgp/v06i04/36070.

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20

Boykin, Robert E., Adam W. Anz, Brandon D. Bushnell, Mininder S. Kocher, Allston J. Stubbs, and Marc J. Philippon. "Hip Instability." American Academy of Orthopaedic Surgeon 19, no. 6 (2011): 340–49. http://dx.doi.org/10.5435/00124635-201106000-00004.

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21

Boykin, Robert E., Adam W. Anz, Brandon D. Bushnell, Mininder S. Kocher, Allston J. Stubbs, and Marc J. Philippon. "Hip Instability." Journal of the American Academy of Orthopaedic Surgeons 20, no. 4 (2012): 190–91. http://dx.doi.org/10.5435/00124635-201204000-00003.

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22

Grelsamer, Ronald P. "Hip Instability." Journal of the American Academy of Orthopaedic Surgeons 20, no. 4 (2012): 190. http://dx.doi.org/10.5435/jaaos-20-04-190.

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23

O'Driscoll, Shawn W. "ELBOW INSTABILITY." Hand Clinics 10, no. 3 (1994): 405–15. http://dx.doi.org/10.1016/s0749-0712(21)01179-3.

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24

Monin, A. S. "Hydrodynamic instability." Uspekhi Fizicheskih Nauk 150, no. 9 (1986): 61. http://dx.doi.org/10.3367/ufnr.0150.198609b.0061.

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25

Al-Dadah, Oday, and Caroline Hing. "Patellofemoral instability." Knee 37 (August 2022): A1—A2. http://dx.doi.org/10.1016/j.knee.2022.07.015.

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26

Levine, William N. "Shoulder Instability." Orthopedics 34, no. 1 (2011): 26–27. http://dx.doi.org/10.3928/01477447-20101123-15.

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27

Graf, Dimitri N., Benjamin Fritz, Samy Bouaicha, and Reto Sutter. "Elbow Instability." Seminars in Musculoskeletal Radiology 25, no. 04 (2021): 574–79. http://dx.doi.org/10.1055/s-0041-1735467.

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AbstractThe stability of the elbow is based on a combination of primary (static) and secondary stabilizers (dynamic). In varus stress, the bony structures and the lateral ulnar collateral ligament (LUCL) are the primary stabilizers, and in valgus stress, the ulnar collateral ligament (UCL) is the primary stabilizer. The flexor and extensor tendons crossing the elbow joint act as secondary stabilizers. Elbow instability is commonly divided into acute traumatic and chronic instability. Instability of the elbow is a continuum, with complete dislocation as its most severe form.Posterolateral rotat
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28

Colvin, Alexis Chiang, and Robin V. West. "Patellar Instability." Journal of Bone and Joint Surgery-American Volume 90, no. 12 (2008): 2751–62. http://dx.doi.org/10.2106/jbjs.h.00211.

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29

Nagad, Premik, Saurabh Rawall, Vishal Kundnani, Kapil Mohan, Sanganagouda S. Patil, and Abhay Nene. "Postvertebroplasty instability." Journal of Neurosurgery: Spine 16, no. 4 (2012): 387–93. http://dx.doi.org/10.3171/2011.12.spine11671.

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Vertebroplasty provides excellent pain relief and functional restoration for osteoporotic fractures. Short-term complications such as cement leak and embolism are well described. Incident fractures are the only well-reported long-term complications. The authors describe the cases of 5 patients who presented with back pain caused by instability or worsening neurological status 13 months (range 8–17 months) after vertebroplasty. They further classify this postvertebroplasty instability into intervertebral instability and intravertebral instability, depending on the apex of abnormal mobility. One
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30

Gollin, Susanne M. "Chromosomal instability." Current Opinion in Oncology 16, no. 1 (2004): 25–31. http://dx.doi.org/10.1097/00001622-200401000-00006.

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31

Waldram, MA. "Wrist instability." Trauma 1, no. 2 (1999): 133–42. http://dx.doi.org/10.1177/146040869900100205.

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32

Tallarigo, C., D. Schiavone, R. Pianon, R. Baldassarre, G. Giusti, and A. Rovasio. "Bladder Instability." Urologia Journal 60, no. 1 (1993): 59–65. http://dx.doi.org/10.1177/039156039306000113.

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Bladder instability is undoubtedly a major cause of incontinence. The condition is reasonably well-defined and advances in the last 20 years in the urodynamic diagnosis of the condition have stimulated a number of leading clinicians and research workers to focus their attention on this problem. The aim of this paper is to produce a better understanding of the unstable bladder.
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33

MUNDY, A. R. "Detrusor Instability." British Journal of Urology 62, no. 5 (1988): 393–97. http://dx.doi.org/10.1111/j.1464-410x.1988.tb04382.x.

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34

Chuang, Michael J., and Wesley M. Nottage. "Shoulder Instability." Techniques in Shoulder & Elbow Surgery 20, no. 2 (2019): 58–60. http://dx.doi.org/10.1097/bte.0000000000000026.

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35

GELBERMAN, RICHARD H., WILLIAM P. COONEY, and ROBERT M. SZABO. "Carpal Instability*†." Journal of Bone and Joint Surgery-American Volume 82, no. 4 (2000): 578–94. http://dx.doi.org/10.2106/00004623-200004000-00013.

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36

Gordon, Tina, and Thomas Wharton. "Glacial Instability." English Journal 87, no. 2 (1998): 109. http://dx.doi.org/10.2307/821565.

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37

Batterman, Robert W. "Explanatory Instability." Noûs 26, no. 3 (1992): 325. http://dx.doi.org/10.2307/2215957.

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38

Molloy, Sheilagh. "Inducing instability." Nature Reviews Microbiology 5, no. 4 (2007): 244. http://dx.doi.org/10.1038/nrmicro1646.

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39

Donner, Amy. "Global instability." Nature Methods 6, no. 1 (2009): 9. http://dx.doi.org/10.1038/nmeth0109-8b.

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40

CASS, JOSEPH R., BERNARD F. MORREY, YOSHIHISA KATOH, and EDMUND Y. S. CHAO. "Ankle Instability." Clinical Orthopaedics and Related Research &NA;, no. 198 (1985): 110???117. http://dx.doi.org/10.1097/00003086-198509000-00017.

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41

Atkin, N. B. "Microsatellite instability." Cytogenetic and Genome Research 92, no. 3-4 (2001): 177–81. http://dx.doi.org/10.1159/000056898.

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42

Lynden-Bell, D. "Stellar instability." Nature 313, no. 6002 (1985): 507. http://dx.doi.org/10.1038/313507b0.

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43

Smith, L. J., M. Roy, and B. Stanley. "Atlantoaxial Instability." Journal of the Royal Society of Medicine 83, no. 12 (1990): 815. http://dx.doi.org/10.1177/014107689008301236.

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44

Mroczek, Kenneth J., and Enrique H. Monsanto. "Carpal instability." Current Opinion in Orthopaedics 8, no. 4 (1997): 44–52. http://dx.doi.org/10.1097/00001433-199708000-00006.

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45

Wallace, Andrew L., and Roger J. H. Emery. "Glenohumeral instability." Current Opinion in Orthopedics 11, no. 4 (2000): 264–70. http://dx.doi.org/10.1097/00001433-200008000-00007.

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46

Uribe, F. J., R. M. Velasco, and L. S. García-Colín. "Bobylev’s instability." Physical Review E 62, no. 4 (2000): 5835–38. http://dx.doi.org/10.1103/physreve.62.5835.

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47

Fithian, Donald C., and Neeraj Gupta. "Patellar Instability." Techniques in Knee Surgery 5, no. 1 (2006): 19–26. http://dx.doi.org/10.1097/00132588-200603000-00004.

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48

Le Bot, Nathalie. "Key instability." Nature Reviews Molecular Cell Biology 9, S1 (2008): s14—s15. http://dx.doi.org/10.1038/nrm2584.

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49

Clarke, Barton. "Urethral Instability." Australian and New Zealand Journal of Obstetrics and Gynaecology 32, no. 3 (2008): 270–75. http://dx.doi.org/10.1111/j.1479-828x.1992.tb01964.x.

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50

Graydon, Oliver. "Embracing instability." Nature Photonics 12, no. 2 (2018): 66–67. http://dx.doi.org/10.1038/s41566-018-0095-6.

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