Where moment of inertia appears in physical quantities The general form of the moment of inertia involves an integral. The moment of inertia of any extended object is built up from that basic definition. The moment of inertia of a point mass with respect to an axis is defined as the product of the mass times the distance from the axis squared. Moment of inertia is defined with respect to a specific rotation axis. That point mass relationship becomes the basis for all other moments of inertia since any object can be built up from a collection of point masses. For a point mass, the moment of inertia is just the mass times the square of perpendicular distance to the rotation axis, I = mr 2. The moment of inertia must be specified with respect to a chosen axis of rotation. It appears in the relationships for the dynamics of rotational motion. Moment of inertia is the name given to rotational inertia, the rotational analog of mass for linear motion. This is called precession, and is analogous to the orbit of a mass under a central force. This changes its direction but not its magnitude, causing the tip of the axle to trace out a circle. If a spinning wheel and axle is supported by one end of the axle, then the torque produced by the weight of the wheel and axle produces a torque that is perpendicular to the angular momentum of the wheel. Acting perpendicular to the velocity, it provides the necessary centripetal force to keep it in a circle. With the appropriate balance of force, a circular orbit can be produced by a force acting toward the center. This is because the product of moment of inertia and angular velocity must remain constant, and halving the radius reduces the moment of inertia by a factor of four. If the string is pulled down so that the radius is half the original radius, then conservation of angular momentum dictates that the ball must have four times the angular velocity. Using a string through a tube, a mass is moved in a horizontal circle with angular velocity ω. HyperPhysics***** Mechanics ***** RotationĬonservation of linear momentum dictates that when a mass strikes an equal mass at rest and sticks to it, the combination must move at half the velocity, because the product of mass and velocity must remain constant. Moment of Inertia Rotational-Linear Parallels More comparisons between linear and angular motion
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An application that downloads video files from YouTube and converts it into known formats. If you want to extract audio from YouTube, you can choose an audio format under Download Audio or after the video is downloaded successfully, go to Converter from the main interface, import the downloaded videos, click on Output Format on the right side of the Converter interface, choose MP3 under the Audio tab. Download Free YouTube Download for Windows 7 (32/64 bit) Free. Built-in converter to MP4, MKV, M4A, MP3, AVI, so you can play your downloaded files on Windows, Mac, iOS or Android. To download playlists from YouTube and download channels from YouTube, follow the same steps above. Televzr youtube video downloader makes any download possible Download for Windows. Download the Video to Your PCĬlick on the Download All button to start the download process. Once the analysis process is finished, it will display all the resolutions and formats you can download. VDownloader also works on 200+ other websites. Copy & Paste the Video URL and Analyze ItĬopy the address of the video from YouTube, and paste it into the Paste URL box, and click on Analyze. VDownloader is FREE video conversion software that allows you to download YouTube videos as MP4 video files. Here we will pay attention to the way you can download them on Windows or Macbooks or from your browser. While ClipGrab, a donationware program designed to download videos from various websites like YouTube. Open the YouTube Downloader for Windows 10, enter Downloader and click on the + New Download button. Windows 7, Windows 8, Windows 10, macOS, and Linux. First get the YouTube downloader free download free download for Windows 10. 3/1/2024 0 Comments Pokemon gba rom hack unovaSprite animations are used for most actions that a character takes, from walking to jumping to attacking. There are many different types of animations in the game, but the most common and noticeable are sprite animations. This gives players a better idea of what is happening in the battle. For example, when a Pokémon is about to use a move, its sprite will start to animate. In Pokémon Black and White, sprite animations are used extensively in the battle system. Also, try Pokemon Pitch Black Download (Updated) This makes the game more exciting and realistic. The wild Pokemon will be jumping out of the grass or trees and into the foreground. For example, when you encounter a wild Pokemon, the sprite will be used to create an immersive experience. This makes the battles more exciting to watch, and helps you to know what is going on even if you’re not familiar with the specific pokemon. The pokemon sprites also animate when they attack or are hit by an attack. This gives the battle a more realistic look, and makes it easier to follow the action. When a pokemon moves, its sprite animation changes to reflect the new position. In Pokemon Black and White, sprite animations are used extensively in battle. Not only does this make the animations look better, but it also makes them much easier to create and modify. With sprite animations, each frame of an animation is a separate image, which gives it a much more fluid look. However, this often resulted in stiff and unnatural movements. In previous games in the series, most of the Pokémon’s animations were created using simple bitmaps that were overlaid on top of one another to create the illusion of movement. This is because all of the Pokémon’s animations are now sprite animations. When you battle in Pokémon Black, you’ll notice that the sprites of the Pokémon are more lifelike than ever before. You may also like Pokemon Yellow Download ROM Free Sprite animations: Some time ago there was a region name as Baradar, in which clans were there. They are responsible and have a team of 8 people as well. The amazing feature is that the gym leaders are a real character, not any fake ones. The villains are the team plasma and you have to fight with them at the end of this amazing game. One of the amazing facts is that Pokemon Black ROM gba hack is more like story driven. You will be amazed to see some notable improvements of the pokemon games. There are some evil group of people on the land who are constantly involved in finding you and disturbing you in any way. You get eight badges as soon as you defeat all the teams who are coming in your way. While moving forward in the land you fight with all those who are responsible for this act. As your parents have died in an incident. You are playing the role of young Kid with no Dad and Mom. Let’s Discover the Storyline of Pokemon Black GBA Hack:Īt first glance, it’s easy to dismiss black and white as yet another pokemon game. You may also like Pokemon Cloud White 2 ROM Unlike its predecessor, Pokémon Diamond Version and Pokémon Pearl Version, which were set in the Sinnoh region, Pokémon Black Version takes place in the Unova region. Whether you’re a seasoned pokemon veteran or a newcomer to the series, this game is sure to please. The graphics are stunning, and the gameplay is sure to keep you entertained for hours on end. It features all new pokemon, as well as old favorites. The new Pokemon Black game for the Gameboy Advanced system is sure to be a smash hit. They are quite powerful in the sense of advanced weapon and powers. The opponents are in the form of groups like two Clans name as Dark and light clans. In Pokemon Black Rom, you will have to face some challenges from the opposing teams. You will see some big challenges ahead and changes made in the overall environment as well. The battle system of this game is quite amazing. You as a starter Pokemon are also in the team which is quite powerful. More teams are present this time, which can be accessed in the game. For discovering those places, please find out some pokemon for yourself to help you out in this case. Most of the places are abandoned for several years, which are not yet discovered. Some of the characters are less in number while you move to their place. Entirely new cast in the form of new characters. Now in the Pokemon Black version GBA hack you will not face any difficulty in the gameplay. In the previous version of pokemon hack of fire red rom, there are some games in which areas are limited. Complete Walkthrough of Pokemon Black GBA ROM: Totally not cool and just reconfirms my reason not to trust apps very much. It just seems they want you to download the app for information collection on users rather than to supply services as stated in descriptions. Am deleting after many many failed attempts. Totally useless if they can’t get real readings. Then try this app again and still between 14 to 20. Then i compare to 2 other web based speed tests and they run very close to each other. When I use laptop it will show my almost 150 mbps out of possible 200. This app will tell me I only have 14 mbps while I actually pay for 200. When it searches for nearby signals, it shows that it reads from areas near 100 miles away from my home while the web based finds signals only 5 miles from home. I go on laptop and use another speed test that is much closer to reality. I have tried using this app many times and never get an accurate reading. There’s even a way to skip the almost non-existent ads by paying, which I haven’t done but I appreciate the option. There’s even a dark mode that I have just kept on and really the team behind this app is really thoughtful for bothering to carry support for nuance features like that. It’s impossible to overstate how useful this Speedtest app is. On trips I can quickly get a read on whether a backup of my photos is going to take forever and I should just wait to get to the airport, find the best spot to install my security cameras, oh and there’s quite a bit of free VPN usage included. I’ve been able to use this app for more than claiming bragging rights about the network speeds I get on 5G and my Home WiFi. There’s so many servers to test from, but you can also choose a favorite to default to for testing. The app is so well designed and never ever has it crashed on me. Just realized the last time I left a review I was begging for an iPad version, and I can’t even think of what year that was because I’ve used the iPad app for so long. Ookla Makes the Best Speedtest App Available Please update and let us know how it goes. We just updated the app to version 4.0.7, which should fix this problem. If/when that happens, I’ll gladly bump my rating up to five stars and send due praise in an updated review. With a simple filter option, though, that issue vanishes. Call it nitpicking, but it voids the usefulness of the “Notes” feature as an analytical tool. Scrolling through dozens and dozens of test results to find those with tagged with note icons so that they can be analyzed and cross-referenced while tracking long term connectivity performance is far too cumbersome and time-consuming. On top of that, the app continues to run as reliably and smoothly as ever.Īll that being said, however, I’ve found the “Notes” option for results less and less useful because of the inability to filter test results so that those with notes can be viewed separately. Just a great idea that provides very, very useful information in terms of gauging in-the-moment download/upload bandwidth capacity. The latest update introducing separate “multi” and “single” connections testing was a dandy. Go ad free! If you’d like to enjoy Speedtest without ads, we provide the option of removing ads from Speedtest for $0.99. Track past tests with detailed reporting Troubleshoot or verify the speed you were promised Test with a single connection to simulate downloading a file or multiple connections to understand max speed Real-time graphs show connection consistency Stay private and secure with our free Speedtest VPN Take a video test to measure your max resolution, load time, and buffering View mobile carrier coverage with Speedtest Maps Measure ping at 3 stages: idle, download, and upload Discover your download, upload, and jitter Millions of users have made Speedtest the #1 app for testing internet speed, and it’s trusted daily by professionals throughout the industry: Speedtest VPN Premium users will also receive no advertisements while their subscription is active. Use up to 2GB of data over VPN per month for free, or go Premium with unlimited usage for just $4.99 monthly. Keep your online connection private and secure with Speedtest VPN™. Take a video test to get actionable insights that help you optimize your online video experience. Video testing empowers you with a real-time assessment of your network’s current streaming quality. Easily switch between providers and regions to compare coverage in the locations you frequent. See performance by provider to find out where you’re likely to experience strong connectivity. Use Speedtest® for a quick, easy, one-tap connection internet speed test-accurate anywhere thanks to our global server network.Įxplore mobile network coverage with Speedtest Maps based on real-world data gathered by the Speedtest app. 3/1/2024 0 Comments What is a scid interviewThe historical foundation of the structured interviews was the traditional “mental status” examinations developed in European clinical psychiatry, and introduced into American psychiatry by Adolph Meyer in 1917 ( 4). Originally developed for use in big-scale surveys and research studies, their recommendations by textbooks in psychiatry ( 1) and clinical guidelines ( 2) have made the use of these diagnostic tools widespread also in routine diagnostic assessments. Structured diagnostic interviews have rapidly become the gold standard in psychiatric research and diagnostic assessments in clinical practice. We conclude that structured diagnostic interviews performed by mental health professionals without solid psychopathological knowledge and experience are not recommendable for clinical practice. Results: We found poor agreement between diagnoses generated by Structured Clinical Interview for DSM-IV and Best-estimate consensus diagnoses (κ value 0.21).ĭiscussion: We identified over-reliance on self-report, vulnerability to response set in dissimulating patients, and a strong diagnosis and comorbidity focus, as possible reasons for misdiagnosis with the SCID. Methods: The study sample comprises 55 first-admitted inpatients to a treatment facility specializing in the assessment and treatment of patients with psychotic disorders. In this study we report on a replication study of Nordgaard et al (22) Assessing the diagnostic validity of a structured psychiatric interview in a first-admission hospital sample. In fact the validity and clinical utility of such methods in naturalistic contexts have rarely been evaluated. Although structured diagnostic interviews have been shown to be highly reliable in research, the use of such method in clinical contexts are more questionable. Introduction: Increasingly, diagnostic assessments in clinical practice are made using structured diagnostic interviews or self-rating scales imported into clinical practice from research studies and big-scale surveys. 2UiT The Arctic University of Norway, Tromsø, Norway. If you’re up for the challenge of creating your own budget template, blogger Ben Collins offers “10 techniques to use when building budget templates in Google Sheets.” Includes tips for using Google’s built-in financial formulas. It can also help you identify areas where you can cut back on spending and start adding to your savings account. By using this template, you can get a better understanding of where your money is going and make more informed decisions about how to allocate your funds. This budget template from bloggerAddi Ganley is designed to help you track your income and expenses on a monthly basis. Addi Ganley (The Frugral Fanatic) Monthly Budget Template Aspire's 'The Best Spreadsheet for Budgeting' Templateįinancial blogger Michael Coleman swears by Google Sheets because “you can access the spreadsheet anywhere on your phone with the Google Sheets app.” His template includes a balance sheet and monthly budget tracker.ġ3. Understand how much remains before reaching your set limit or the month’s end, depending on which arrives first.ġ2.Keep track of your aggregate monthly outlay.Establish your monthly expenditure limit.This tool offers a simplified approach to tracking spending and maintaining a monthly budget in Google Sheets. The Monthly Budget Calendar, while also supported by Tiller, can be utilized independently of a Tiller subscription. Money’s own “Financial Snapshot and Budget” template. Money of the cheeky, popular Budgets Are Sexy personal finance blog has gathered his favorite free, online budget templates and spreadsheets together in one post. The planner is divided into four sections: pre-tax deductions, regular bills, irregular expenses and a budget summary. Roth of Get Rich Slowly created a customizable budget planner in Google Sheets, designed for those who have already created a budget but want a better system for tracking their progress. It features a customizable dashboard where you can enter your anticipated income and expenditures by category, enabling real-time budget tracking throughout the month. The native monthly budget template in Google Sheets offers a simple, yet intuitive way to monitor income and expenses. Sometimes you don't need to look far to find a good solution. Also includes tips for keeping your budget in check and on track. Penny Hoarder contributor Melissa Gilliam Shaw shares the monthly budget template from Google Sheets that helped her family save money-including an extra $6,000 they hadn’t expected-when they moved overseas and became a one-income household. Money management website Measure of a Plan offers a simple spreadsheet designed to help users control spending, track income and expenses over extended periods, and be better prepared for future financial plans and goals. “Ideally, this personal finance budget planner will allow you to predict how much cash flow you have available to spend during a given month so that you can plan throughout the year,” says Miller. Popular personal finance blogger G.E Miller of 20 Something Finance offers a free, downloadable budget planner and a step-by-step tutorial on how to use and customize the spreadsheet for your specific needs. The 50/30/20 Google Sheets Template by Simple Budget Planner Saved by the Cents Google Budget TemplateĢ0. RegPaq Google Budget Sheet (for Millenials)ġ9. Zero-Based Budgeting Template from SmartSheetġ8. Budget and Transaction Tracking Templateġ6. The Frugal Fanatic’s Free Monthly Budget Templateġ5. Life After College: Simple Four-Step Budgetġ3. Budgets Are Sexy's Best Free Budget Templates & Spreadsheetsġ1. Get Rich Slowly’s Free and Simple Budget Plannerġ0. The Finance Twins’ Monthly Budget Templateĩ. The Penny Hoarder’s Epic Google Budget TemplateĨ. The Measure of a Plan Budget Tracking Toolĥ. Learn more about the RISE difference.Ģ1 of the Best Budget Templates in Google Sheetsģ. We also provide helpful financial wellness content and free tools to build your credit. We make it simpler to borrow the money you need with clear pricing and flexible repayment options. We’ve gathered a list of our favorite templates because RISE is all about helping you on your financial journey. These let you utilize technology to track your finances for free while keeping your banking information private. Another option is to use one of a wide array of customizable, downloadable Google Sheets budget templates available online. However, not everyone likes the idea of sharing their private banking information which is required to drive these applications. Many people like the ease of online money management tools, apps, and websites that connect directly to your bank account. Whether you’re building a budget for the first time or you’re a seasoned saver, technology can make the process a lot easier. You can even opt to see passages that were highlighted by other readers. The web app offers no such animation-the new page just appears.Īmazon allows Kindle users (in both its iOS apps and on its dedicated Kindle devices) to highlight passages in books and make notes about the text. The only difference is in what happens as you make those gestures: the iPad app shows an animation of one page sliding away and another sliding in (and in fact, moves the pages right under your fingers if you choose to swipe from one page to the next). The same gestures work on the Cloud Reader web app. In the native iPad app, you can tap or swipe to change pages. The native app can show book text in two separate columns when you rotate the iPad into landscape mode the Cloud Reader will only show you a single, wider column. One book I tested, Paolo Bacigalupi’s Ship Breaker, appeared justified in the native app and ragged-right in the web app, which I really can’t explain. (Both apps let you choose from black, white, and sepia color schemes.) Most of the books I read in the native Kindle app feature justified text, but some of the books in the Cloud Reader app appear to display with a ragged right margin. The text options are more limited in the Cloud Reader app: you can choose from five text sizes, while the iPad app gives you six to choose from. The reading interface in the native app (left) and the web app (right). The web app displays most of its menu options via a toolbar that drops down over the top of the page, while the options on the iPad app fade in seamlessly over blank space. The web app displays the black bar at the top of the iPad’s screen at all times, showing you the time, your battery status, and wireless connectivity, while the native app only displays that information when you tap to reveal the various page controls. In both interfaces, you can tap on the screen in order to toggle the display of various reading controls, including text settings, a link to the book’s table of contents, and a slider that lets you jump anywhere in the book. The reading experience in the two apps is quite similar, but here there are some notable differences, too. To see all books that have been downloaded, you tap on the Downloaded tab at the bottom of the screen. To store a book locally on your device in the Cloud Reader, you must tap and hold on its cover, then tap “Download & Pin Book” from the resulting pop-up menu. To read a book in the Cloud Reader, just tap on its cover art while tapping in the Kindle app will download the entire book to your device, the Cloud Reader web app will start loading the book over the Web and display it right away. (It’ll even show up in your list of running apps when you double-tap the home button.) Unfortunately, you’ll need to log in to again and authorize the offline data storage a second time. Tap on it, and Kindle Cloud Reader will load again-this time without any web-browser interface trappings. This will create a new Cloud Reader icon on your iPad’s home screen, complete with custom icon. Amazon will ask you to log in with your user name and password, and then you’ll be prompted to authorize an increase to the amount of data Amazon can store on your iPad-essentially carving out 50MB of space to download books for offline reading.Īt this point, the best thing to do-and I’m surprised Amazon doesn’t actually step you through the process-is tap the Share icon in Safari’s toolbar and choose Add to Home Screen. Adding the Kindle Cloud Reader is a bit more complicated.įirst, you have to open Safari and visit. One of the advantages native apps have is that they’re easy to find: Launch the App Store app, type Kindle, and in a few seconds you’ve downloaded and installed the Kindle app on your iPad’s home screen. With the release of the Kindle Cloud Reader, Amazon is now doing both. As Steve Jobs himself has said on many occasions, Apple offers two pathways for developers to put content on the iOS-via the curated App Store experience and via the completely open world of HTML5-based web apps. In the Timeline, drag the Rockin’ Guitar Picks text layer below the photo layers (just above the background layer). Click in an empty part of the Timeline to deselect the layers.In the Tools panel at the top left of the window, choose the Selection tool.Press Cmd ~ (Mac) or Ctrl ~ (Windows) to hide the properties of the all the layers.Hit Cmd–A (Mac) or Ctr–A (Windows) to select all the layers.Change the second value (vertical position to 200 to move it above the guitar picks in the background.With the Rockin’ Guitar Picks text layer still selected, press P to reveal Position. In the Timeline, Ctrl–click (Mac) or Right–click (Windows) on the text layer and choose Transform > Center in View. Press Cmd–Return (Mac) or Ctrl–Enter (Windows) or click on any empty area of the Timeline to finalize the creation of the text layer. (New layers are placed above the current active layer when they are created.)ĭon’t worry about exact position for now, but click in the middle of the Composition window and type Rockin’ Guitar Picks In the Timeline, click on the topmost layer to make it active. In the Paragraph panel, click the Center text button. In the Character panel, make the following changes: TIP: You can press Cmd–T (Mac) or Ctrl–T (Windows) to activate the Horizontal Type tool. When you activate the Type tool, After Effects automatically opens the Character and Paragraph panels on the right side of the window. In the Tools panel at the top left of the window, choose the Horizontal Type tool. Move the playhead to the beginning of the Timeline. Text on the other hand can be created entirely within After Effects. Many of the assets you work with are created in other programs (such as Photoshop or Illustrator) and animated in After Effects. Name the file Your Name - Guitar Picks.aep and save it to Desktop > Class Files > After Effects Class > Guitar Picks (replacing the file if it’s already there). Double–click on Guitar Picks - Ready For Text.aep.Go to File > Open Project and navigate to Desktop > Class Files > After Effects Class > Guitar Picks > Finished Projects.If a project is open in After Effects, go to File > Save, then File > Close Project.If You Did Not Do the Previous Exercises (1B–1C) The tutorial differentiates between After Effect’s Drop Shadow layer style and the Drop Shadow effect, noting that the effect does not limit options on 3D layers, unlike the layer style.After Effects' layer styles are compatible with Photoshop's layer styles, however, the tutorial notes that layer styles can disable some features when used on 3D layers.The tutorial illustrates how to animate text and images in the timeline, including moving the playhead, selecting and deselecting layers, and previewing the animation.Instructions are given on how to change the stroke size, position, and color. Apart from adding a drop shadow, the tutorial also guides on how to add a Stroke layer style to photos, providing a colored border.Detailed instructions are provided on how to change the distance, size, opacity, and angle of the Drop Shadow. It also instructs on how to add a drop shadow to photos using Layer Styles to give the scene more depth.The tutorial provides a step-by-step guide on how to create and style text in After Effects, including using the Horizontal Type tool for text creation, changing character settings such as font family and size, and paragraph settings like centering text.This tutorial provides detailed instructions including text creation in After Effects, positioning, and styling, as well as adding depth and color to photos. Learn how to add text and layer styles like drop shadow and stroke in After Effects. 2/29/2024 0 Comments Adding frames digicel flipbookThe features it includes are numerous, with some notable examples being built-in support for asset design and coding, export to various platforms and formats, “onion skinning”, and advanced personalization options. Adobe has been one of the biggest leaders in this market for over 30 years, so their animation programs have undergone countless improvements, and the latest iteration is a testament to this. “ Animate” is one of several programs included in Adobe’s Creative Cloud package, but is specifically intended for creating 2D clips. The main features include tablet compatibility, options to draw new images or scan existing ones, add soundtracks and lip-sync, as well as an assortment of video effects. Featuring a simple interface with just a handful of key options, it is incredibly easy to master, making it uniquely suited for beginners. Flipbookįlipbook is a great program for creating quick animation. All animators have their own preferences and requirements for the programs they use, so this is just our take on general sentiment in the community. Please note that the choices listed were released prior to 2022, but remain highly-popular and appraised by artists and designers to this day. Since then, more and more artists experimented with computers to create such art, but it wasn’t until the 1980’s when the first commercial animation programs (like AutoCAD, MacPaint, and Adobe Illustrator) became publicly available. One of the first examples of a computer program being used to create such works was in 1958, when John Whitney created a 2D sequence for the film Vertigo on a modified analog computer. While this approach is still used in some media forms, artists have shifted mainly to software, which was first applied in the 1950s. This is when a collection of drawings with minor differences are displayed back-to-back rapidly to show a single scene. A Bit of Historyīefore animation software was available, the motion in clips and media was achieved through sequencing. In fact, 2D animation services relying on such applications are still in great demand and used everywhere, from video games to TV shows to advertisements to educational clips. This kind of animation is most often associated with children’s cartoons of the past century, but the popularity and prevalence of 2D animation software did not wane after we began to harness the benefits of 3D. You can still learn the animation fundamentals by having fun with drawing things that you like.Software (also known as programs and applications) is a major help to animators all over the world, including those who work with two-dimensional graphics. Learning animation does not necessarily needs a professional software, albeit it will be the ideal situation. This software has a traditional drawing style which makes our artwork unique. I will personally recommend Animation-ish since the user interface is easy to grasp and allows me to see immediate action results. Maybe these software might still work on older Mac OS such as Leopard or Snow Leopard. After I draw a line, the line does not show up. As for Pencil, it has graphic refresh issue. I've tried them and Synfig Studio does not launch its application at all. I've found Synfig Studio and Pencil that are not usable on Mac Maverick OS yet. With Blender, you can create 3D models and animation just like other professional 3D software. Nevertheless, Blender provides all the necessary tools to create 3D animation. New users will need to spend some time to familiarise with its interface before any project development. Blender has a different approach in its interface compared to 3D Studio Max and Maya. Blender is a free 3D software if you are keen in learning 3D animation. 2/29/2024 0 Comments Self epley maneuver for vertigoPC-BPPV also has a high recurrence rate ( 6, 7) and frequent recurrences render patients with PC-BPPV dependent on costly and time-consuming medical care. In a retrospective study, 84% of patients obtained symptomatic control of PC-BPPV after three Epley maneuvers ( 5), which means repeated Epley maneuvers are required for some patients until PC-BPPV resolves completely. Treatment of PC-BPPV relies on a canalith repositioning maneuver, and the most common approach is the Epley maneuver ( 4). PC-BPPV is usually diagnosed by the means of the Dix–Hallpike test, which is considered positive when it triggers vertigo symptoms as well as torsional and vertical nystagmus ( 3). Approximately 60-90% of BPPV involves the posterior canal (PC-BPPV) ( 2). It is usually caused by otoconia that are dislodged from the otolith macula beds and become trapped in the semicircular canal ( 1). The modified Epley maneuver group had fewer residual symptoms than that of the Epley maneuver group 1 week after treatment of PC-BPPV ( p 0.05).Ĭonclusions: The modified Epley maneuver has a satisfactory therapeutic efficacy with less residual symptoms and could be recommended as a self-treatment for patients with PC-BPPV.īenign paroxysmal positional vertigo (BPPV) is the common cause of peripheral vertigo. Results: It was found that the modified Epley maneuver group had a higher resolution rate than that of the Epley maneuver group in the treatment of PC-BPPV after 1 day of the initial maneuver ( p 0.05). We analyzed the resolution rate (1 day and 1 week), residual symptoms after the maneuver, and adverse effects. All patients were randomized into the Epley maneuver group ( n = 77) and modified Epley maneuver group ( n = 78). Methods: The study recruited 155 patients with PC-BPPV. Objectives: The purpose of this study is to investigate a modified Epley maneuver for self-treatment of posterior canal benign paroxysmal positional vertigo (PC-BPPV). 3Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, Xi'an, China.2Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.1Department of Neurology, Qionghai People's Hospital, Qionghai, China.Zhuangqin Gan 1 † Shiling Zhou 1 † Hui Yang 1 † Feng He 2 Dong Wei 2 Ya Bai 2 Yuanyuan Wang 2 Yingxia Wang 1 Wei Fu 3 * Junliang Han 2 * |
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