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  1. Artikel ; Online: Immediate effects of myofascial release to the pectoral fascia on posture, range of motion, and muscle excitation: a crossover randomized clinical trial.

    Bohunicky, Sarah / Rutherford, Lindsey / Harrison, Kara-Lyn / Malone, Quinn / Glazebrook, Cheryl M / Scribbans, Trisha D

    The Journal of manual & manipulative therapy

    2024  , Seite(n) 1–11

    Abstract: Context: Forward shoulder posture (FSP) is a risk factor for shoulder pathology. Manual therapists often use myofascial release (MFR) to elongate restricted pectoral fascia to reduce FSP and improve shoulder function; however, the effects of this ... ...

    Abstract Context: Forward shoulder posture (FSP) is a risk factor for shoulder pathology. Manual therapists often use myofascial release (MFR) to elongate restricted pectoral fascia to reduce FSP and improve shoulder function; however, the effects of this treatment approach remain anecdotal.
    Objective: Determine the acute effects of 4-min of MFR, compared to a soft-touch control (CON), to the pectoral fascia on: 1) FSP, 2) shoulder horizontal abduction ROM (HA-ROM), and 3) muscle excitation of the trapezius (upper, middle, lower [UT, MT, LT]) and pectoralis major (PEC).
    Methods: Fifty-nine right-handed participants (27 ± 9 years, 30 female) with FSP, but otherwise asymptomatic shoulders participated in a randomized crossover clinical trial by attending two experimental sessions: one MFR and one CON treatment, each administered by a Registered Massage Therapist. FSP, HA-ROM, and muscle excitation during a reaching task, were measured before and after each treatment.
    Results: There was a significant interaction between treatment and time for FSP (
    Conclusion: Four minutes of MFR or CON to the pectoral fascia acutely reduces FSP.
    Sprache Englisch
    Erscheinungsdatum 2024-02-16
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 920432-5
    ISSN 2042-6186 ; 1066-9817
    ISSN (online) 2042-6186
    ISSN 1066-9817
    DOI 10.1080/10669817.2024.2316414
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Excitation distribution of the trapezius changes in response to increasing contraction intensity, but not repeated contractions.

    Harrison, Kara-Lyn / Henderson, Zachariah / Rochon, Josée / Bohunicky, Sarah / Scribbans, Trisha

    Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology

    2024  Band 75, Seite(n) 102866

    Abstract: Upper trapezius (UT) excitation redistributes with experimentally-induced muscle pain, fatigue, and repeated contractions. Excitation distribution variability is proposed to reduce the likelihood of shoulder pain and pathology by reducing cumulative ... ...

    Abstract Upper trapezius (UT) excitation redistributes with experimentally-induced muscle pain, fatigue, and repeated contractions. Excitation distribution variability is proposed to reduce the likelihood of shoulder pain and pathology by reducing cumulative stress on musculoskeletal structures. While the middle (MT) and lower (LT) trapezius are pivotal in scapular stabilization, it remains unclear whether they display similar excitation distribution variability with repeated or increasing contraction intensity. We determined if excitation distribution of the UT, MT, and LT differ: 1) during isometric contractions at different intensities (30 % and 60 % of maximum voluntary isometric contraction (MVIC)); and 2) with repeated contractions at 60 % MVIC. Nineteen individuals completed MVICs and submaximal contractions for the UT, MT, and LT while high-density electromyography was collected. Statistical parametric mapping t-tests were performed between intensities and the 1st and 5th repetition at 60 % MVIC. UT, MT, and LT excitation distribution changed with increasing contraction intensity in 358 (∼92 % of the map), 54 (∼14 %), and 270 pixels (∼70 %), respectively. No pixels exceeded significance with repeated contractions for any muscle. Barycentre analyses revealed no significant results. These results suggest that regions of the trapezius muscle use different neuromuscular strategies in response to changes in contraction intensity and repeated contractions.
    Mesh-Begriff(e) Humans ; Muscle, Skeletal/physiology ; Superficial Back Muscles/physiology ; Scapula/physiology ; Electromyography/methods ; Shoulder Pain ; Isometric Contraction/physiology ; Shoulder/physiology
    Sprache Englisch
    Erscheinungsdatum 2024-02-02
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1073161-1
    ISSN 1873-5711 ; 1050-6411
    ISSN (online) 1873-5711
    ISSN 1050-6411
    DOI 10.1016/j.jelekin.2024.102866
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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    Verfügbar in ZB MED Köln/Königswinter

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    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
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  3. Artikel ; Online: Development of the Standardized Navigation Of Winter Mobility & Accessibility Network (SNOWMAN) course.

    Ripat, Jacquie / Giesbrecht, Ed / Borisoff, Jaimie / Morales, Ernesto / Harrison, Kara-Lyn

    Frontiers in rehabilitation sciences

    2024  Band 5, Seite(n) 1330507

    Abstract: Introduction: Manual wheelchairs (MWC) users have limited mobility during winter months as they encounter many environmental barriers that restrict their community participation. This paper outlines the creation and standardization of an outdoor ... ...

    Abstract Introduction: Manual wheelchairs (MWC) users have limited mobility during winter months as they encounter many environmental barriers that restrict their community participation. This paper outlines the creation and standardization of an outdoor environment designed to simulate the real-life conditions and obstacles experienced by MWC users in winter.
    Methods and results: This study consisted of four phases. In Phase 1, researchers used a qualitative ethnographic approach to document the specific challenges and adaptive strategies used by MWC users in winter conditions. In Phase 2, key informants with expertise in MWC winter mobility were invited to co-design the Standardized Navigation Of Winter Mobility & Accessibility Network (SNOWMAN) course. Participants reviewed draft design solutions and offered their input and suggestions to expand upon the initial design. A second co-design workshop included additional key informants, including service providers, policymakers, and professionals with expertise in landscape architecture and engineering, to validate the design solution. The workshops resulted in a detailed illustration of the SNOWMAN course, including five sections: platforms with side slopes, a miniature ice rink, curbs and curb cuts, a path with uneven winter surfaces, and modular ramps at various slopes. Phases 3 and 4 marked the conclusion of the study and involved fabrication of the SNOWMAN course and establishment of a standardized protocol for course setup and maintenance.
    Discussion: The project aimed to offer several additional potential benefits, supported by the various stakeholders across the study phases, that extend beyond creation of a controlled and safe environment for wheelchair users to develop their winter mobility skills. Practicing wheelchair skills in this area may assist wheelchair users in gaining confidence which may ultimately translate to increased participation in the community.
    Sprache Englisch
    Erscheinungsdatum 2024-05-09
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ISSN 2673-6861
    ISSN (online) 2673-6861
    DOI 10.3389/fresc.2024.1330507
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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