Hand-held dynamometry strength measures for internal and external rotation demonstrate superior reliability, lower minimal detectable change and higher correlation to isokinetic dynamometry than externally-fixed dynamometry of the shoulder

Kylie Holt, D Raper, Craig Boettcher, Gordon WADDINGTON, Michael Drew

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    Abstract

    Objectives To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. Design Within participant, inter and intra-rater reliability study. Participants Twenty active, healthy male and female participants underwent testing by two examiners. Outcome measures Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability. Maximum and average of three repetitions were compared to the isokinetic results at three speeds (60°/sec, 180°/sec, 240°/sec) for both concentric and eccentric contractions. Results Inter and intra-tester values demonstrated good to high agreement (HHD, ICC range = 0.89–0.97, %SEM = 4.80–8.60%, %MDC = 13.29–23.70%; EFD, ICC = 0.88–0.96, %SEM = 6.60–11.00%, %MDC = 18.40–30.04%). HHD and EFD showed moderate to very strong correlations to the isokinetic testing (HHD, r = 0.45–0.86; EFD, r = 0.49–0.83). Conclusions The results of this study indicate that both EFD and HHD are suitable for clinical practice and research. Hand-held dynamometry is preferred due to its higher intra- and inter-rater reliability and smaller MDC and lower SEM.
    Original languageEnglish
    Pages (from-to)75-81
    Number of pages7
    JournalPhysical Therapy in Sport
    Volume21
    DOIs
    Publication statusPublished - 2016

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    @article{f73bc5a4a28a4bcf8242eaadd2b858ec,
    title = "Hand-held dynamometry strength measures for internal and external rotation demonstrate superior reliability, lower minimal detectable change and higher correlation to isokinetic dynamometry than externally-fixed dynamometry of the shoulder",
    abstract = "Objectives To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. Design Within participant, inter and intra-rater reliability study. Participants Twenty active, healthy male and female participants underwent testing by two examiners. Outcome measures Intra-class coefficients (ICC), percentage standard error of measurement ({\%}SEM), and percentage minimal detectable change ({\%}MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability. Maximum and average of three repetitions were compared to the isokinetic results at three speeds (60°/sec, 180°/sec, 240°/sec) for both concentric and eccentric contractions. Results Inter and intra-tester values demonstrated good to high agreement (HHD, ICC range = 0.89–0.97, {\%}SEM = 4.80–8.60{\%}, {\%}MDC = 13.29–23.70{\%}; EFD, ICC = 0.88–0.96, {\%}SEM = 6.60–11.00{\%}, {\%}MDC = 18.40–30.04{\%}). HHD and EFD showed moderate to very strong correlations to the isokinetic testing (HHD, r = 0.45–0.86; EFD, r = 0.49–0.83). Conclusions The results of this study indicate that both EFD and HHD are suitable for clinical practice and research. Hand-held dynamometry is preferred due to its higher intra- and inter-rater reliability and smaller MDC and lower SEM.",
    author = "Kylie Holt and D Raper and Craig Boettcher and Gordon WADDINGTON and Michael Drew",
    year = "2016",
    doi = "10.1016/j.ptsp.2016.07.001",
    language = "English",
    volume = "21",
    pages = "75--81",
    journal = "Physical Therapy in Sport",
    issn = "1466-853X",
    publisher = "Elsevier BV",

    }

    TY - JOUR

    T1 - Hand-held dynamometry strength measures for internal and external rotation demonstrate superior reliability, lower minimal detectable change and higher correlation to isokinetic dynamometry than externally-fixed dynamometry of the shoulder

    AU - Holt, Kylie

    AU - Raper, D

    AU - Boettcher, Craig

    AU - WADDINGTON, Gordon

    AU - Drew, Michael

    PY - 2016

    Y1 - 2016

    N2 - Objectives To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. Design Within participant, inter and intra-rater reliability study. Participants Twenty active, healthy male and female participants underwent testing by two examiners. Outcome measures Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability. Maximum and average of three repetitions were compared to the isokinetic results at three speeds (60°/sec, 180°/sec, 240°/sec) for both concentric and eccentric contractions. Results Inter and intra-tester values demonstrated good to high agreement (HHD, ICC range = 0.89–0.97, %SEM = 4.80–8.60%, %MDC = 13.29–23.70%; EFD, ICC = 0.88–0.96, %SEM = 6.60–11.00%, %MDC = 18.40–30.04%). HHD and EFD showed moderate to very strong correlations to the isokinetic testing (HHD, r = 0.45–0.86; EFD, r = 0.49–0.83). Conclusions The results of this study indicate that both EFD and HHD are suitable for clinical practice and research. Hand-held dynamometry is preferred due to its higher intra- and inter-rater reliability and smaller MDC and lower SEM.

    AB - Objectives To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. Design Within participant, inter and intra-rater reliability study. Participants Twenty active, healthy male and female participants underwent testing by two examiners. Outcome measures Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability. Maximum and average of three repetitions were compared to the isokinetic results at three speeds (60°/sec, 180°/sec, 240°/sec) for both concentric and eccentric contractions. Results Inter and intra-tester values demonstrated good to high agreement (HHD, ICC range = 0.89–0.97, %SEM = 4.80–8.60%, %MDC = 13.29–23.70%; EFD, ICC = 0.88–0.96, %SEM = 6.60–11.00%, %MDC = 18.40–30.04%). HHD and EFD showed moderate to very strong correlations to the isokinetic testing (HHD, r = 0.45–0.86; EFD, r = 0.49–0.83). Conclusions The results of this study indicate that both EFD and HHD are suitable for clinical practice and research. Hand-held dynamometry is preferred due to its higher intra- and inter-rater reliability and smaller MDC and lower SEM.

    U2 - 10.1016/j.ptsp.2016.07.001

    DO - 10.1016/j.ptsp.2016.07.001

    M3 - Article

    VL - 21

    SP - 75

    EP - 81

    JO - Physical Therapy in Sport

    JF - Physical Therapy in Sport

    SN - 1466-853X

    ER -