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  1. Article ; Online: Virtual Reality in Improving Anticipatory Postural Adjustments to Step Initiation in Individuals with Knee Osteoarthritis: A Randomized Controlled Trial.

    Oliveira, Luana Karine Resende / Marques, Amélia Pasqual / Andrade, Karen Flaviane Assis / Assis, Jéssica Cristina Santos de / Brito, Aymee Lobato / Souza, Givago Silva / Callegari, Bianca

    Games for health journal

    2024  Volume 13, Issue 2, Page(s) 100–108

    Abstract: Background: ...

    Abstract Background:
    MeSH term(s) Male ; Humans ; Female ; Osteoarthritis, Knee/rehabilitation ; Single-Blind Method ; Postural Balance ; Knee Joint ; Pain ; Treatment Outcome
    Language English
    Publishing date 2024-03-05
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 2650543-5
    ISSN 2161-7856 ; 2161-783X
    ISSN (online) 2161-7856
    ISSN 2161-783X
    DOI 10.1089/g4h.2023.0154
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Wearable-based assessment of anticipatory postural adjustments during step initiation in patients with knee osteoarthritis.

    Oliveira, Luana Karine Resende / Marques, Amélia Pasqual / Igarashi, Yuzo / Andrade, Karen Flaviane Assis / Souza, Givago Silva / Callegari, Bianca

    PloS one

    2023  Volume 18, Issue 8, Page(s) e0289588

    Abstract: Older adults with moderate to severe knee osteoarthritis (KOA) exhibit adaptive strategy for initiating walking, known as anticipatory postural adjustments (APAs). While video motion kinematics has been the traditional way of measuring APAs, it can be ... ...

    Abstract Older adults with moderate to severe knee osteoarthritis (KOA) exhibit adaptive strategy for initiating walking, known as anticipatory postural adjustments (APAs). While video motion kinematics has been the traditional way of measuring APAs, it can be difficult to transport and install, making it impractical for medical settings. Inertial sensors have become a more popular method for evaluating APAs, but no prior research has used accelerometers to measure gait initiation in individuals with KOA. The study aimed to assess the validity and reliability of a wearable accelerometer device for measuring APAs older adults with and without KOA. 25 individuals with KOA and 10 healthy individuals underwent evaluation using a wearable commercially available accelerometer (MetamotionC) and a video motion capture system. Reflective markers were placed on the lumbar vertebra and calcaneus. Participants were asked to initiate a step, and the researchers measured the APAlatency and APAamplitude of each subject. APAlatency showed an very large to almost perfect correlation in both groups (CG:r = 0.82; p = 0.003 and KOA r = 0.98; p < 0.00001) between the instruments, while APAamplitude had a moderate to very large correlation (CG: r = 0.65; p = 0.04and KOA: r = 0.80; p < 0.00001). Overall, the measurements showed fair to high reliability for intraclass correlation for video and accelerometer variables. Significant group effect was found for both variables: APAlatency (F1, 66 = 7.3; p = 0.008) and APAamplitude (F1,66 = 9.5; p = 0.00). The wearable tri-axial accelerometer is a valid and reliable for assessing APAs during gait initiation in individuals with KOA, and this population exhibits lower APAs when initiating a step.
    MeSH term(s) Humans ; Aged ; Osteoarthritis, Knee ; Reproducibility of Results ; Postural Balance ; Gait ; Walking ; Biomechanical Phenomena
    Language English
    Publishing date 2023-08-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0289588
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Wearable Devices and Smartphone Inertial Sensors for Static Balance Assessment: A Concurrent Validity Study in Young Adult Population.

    Rodrigues, Luciana Abrantes / Santos, Enzo Gabriel Rocha / Santos, Patrícia Seixas Alves / Igarashi, Yuzo / Oliveira, Luana Karine Resende / Pinto, Gustavo Henrique Lima / Santos Lobato, Bruno Lopes / Cabral, André Santos / Belgamo, Anderson / Costa E Silva, Anselmo Athayde / Callegari, Bianca / Souza, Givago Silva

    Journal of personalized medicine

    2022  Volume 12, Issue 7

    Abstract: Falls represent a public health issue around the world and prevention is an important part of the politics of many countries. The standard method of evaluating balance is posturography using a force platform, which has high financial costs. Other ... ...

    Abstract Falls represent a public health issue around the world and prevention is an important part of the politics of many countries. The standard method of evaluating balance is posturography using a force platform, which has high financial costs. Other instruments, such as portable devices and smartphones, have been evaluated as low-cost alternatives to the screening of balance control. Although smartphones and wearables have different sizes, shapes, and weights, they have been systematically validated for static balance control tasks. Different studies have applied different experimental configurations to validate the inertial measurements obtained by these devices. We aim to evaluate the concurrent validity of a smartphone and a portable device for the evaluation of static balance control in the same group of participants. Twenty-six healthy and young subjects comprised the sample. The validity for static balance control evaluation of built-in accelerometers inside portable smartphone and wearable devices was tested considering force platform recordings as a gold standard for comparisons. A linear correlation (r) between the quantitative variables obtained from the inertial sensors and the force platform was used as an indicator of the concurrent validity. Reliability of the measures was calculated using Intraclass correlation in a subsample (n = 14). Smartphones had 11 out of 12 variables with significant moderate to very high correlation (r > 0.5, p < 0.05) with force platform variables in open eyes, closed eyes, and unipedal conditions, while wearable devices had 8 out of 12 variables with moderate to very high correlation (r > 0.5, p < 0.05) with force platform variables under the same task conditions. Significant reliabilities were found in closed eye conditions for smartphones and wearables. The smartphone and wearable devices had concurrent validity for the static balance evaluation and the smartphone had better validity results than the wearables for the static balance evaluation.
    Language English
    Publishing date 2022-06-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662248-8
    ISSN 2075-4426
    ISSN 2075-4426
    DOI 10.3390/jpm12071019
    Database MEDical Literature Analysis and Retrieval System OnLINE

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