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  1. Article ; 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  , Page(s) 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.
    Language English
    Publishing date 2024-02-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 920432-5
    ISSN 2042-6186 ; 1066-9817
    ISSN (online) 2042-6186
    ISSN 1066-9817
    DOI 10.1080/10669817.2024.2316414
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5421: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; 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  Volume 75, Page(s) 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 term(s) Humans ; Muscle, Skeletal/physiology ; Superficial Back Muscles/physiology ; Scapula/physiology ; Electromyography/methods ; Shoulder Pain ; Isometric Contraction/physiology ; Shoulder/physiology
    Language English
    Publishing date 2024-02-02
    Publishing country England
    Document type 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
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3218: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

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