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Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps

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Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps. / Bampouras, Theodoros M.; Relph, Nicola S.; Orme, Duncan et al.

In: Isokinetics and Exercise Science, Vol. 21, No. 2, 17.06.2013, p. 101-105.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Bampouras, TM, Relph, NS, Orme, D & Esformes, JI 2013, 'Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps', Isokinetics and Exercise Science, vol. 21, no. 2, pp. 101-105. https://doi.org/10.3233/IES-130484

APA

Bampouras, T. M., Relph, N. S., Orme, D., & Esformes, J. I. (2013). Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps. Isokinetics and Exercise Science, 21(2), 101-105. https://doi.org/10.3233/IES-130484

Vancouver

Bampouras TM, Relph NS, Orme D, Esformes JI. Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps. Isokinetics and Exercise Science. 2013 Jun 17;21(2):101-105. doi: 10.3233/IES-130484

Author

Bampouras, Theodoros M. ; Relph, Nicola S. ; Orme, Duncan et al. / Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps. In: Isokinetics and Exercise Science. 2013 ; Vol. 21, No. 2. pp. 101-105.

Bibtex

@article{cf0e448ace6e4e95908d7a69e3af73f6,
title = "Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps",
abstract = "BACKGROUND: Portable and cost-effective accelerometers can yield instantaneous results of force, power, and velocity, with minimum set-up time to assess muscle power. However, such devices must also produce both valid and reliable data. OBJECTIVE: The current study assessed the validity and reliability of the Myotest Pro wireless accelerometer (ACC). METHODS: Thirty physically active males performed two squat jump, on two separate sessions. The jump was recorded simultaneously by a force platform and ACC, which was attached to a barbell resting on the subjects' shoulders. Validity was determined using Pearson correlation coefficient (r) and t-test between the maximum force platform (F-{FP}) and ACC (F-{ACC}) force. Between session reliability of F-{ACC}, power (P-{ACC}) and velocity (V-{ACC}) from the ACC were assessed with t-test, intraclass correlation coefficient (ICC), and coefficient of variation (CV). RESULTS: F-{ACC} correlated highly to F-{FP} (r=0.815, p< 0.05), but there was a proportionate ratio bias of 0.81. There was no difference between sessions (p> 0.05) for any variable. High ICCs were found for all variables (F-{ACC} 0.90; P-{ACC} 0.80; V-{ACC} 0.84). Low CV was found for F-{ACC} (2.1%), P-{ACC} (3.3%) and V-{ACC} (3.2%). CONCLUSIONS: ACC is a valid and reliable tool to use for assessing barbell movement, but caution in power data interpretation is needed.",
keywords = "Field measurement, muscle performance, power assessment, power production, test-retest design",
author = "Bampouras, {Theodoros M.} and Relph, {Nicola S.} and Duncan Orme and Esformes, {Joseph I.}",
year = "2013",
month = jun,
day = "17",
doi = "10.3233/IES-130484",
language = "English",
volume = "21",
pages = "101--105",
journal = "Isokinetics and Exercise Science",
issn = "0959-3020",
publisher = "IOS Press",
number = "2",

}

RIS

TY - JOUR

T1 - Validity and reliability of the Myotest Pro wireless accelerometer in squat jumps

AU - Bampouras, Theodoros M.

AU - Relph, Nicola S.

AU - Orme, Duncan

AU - Esformes, Joseph I.

PY - 2013/6/17

Y1 - 2013/6/17

N2 - BACKGROUND: Portable and cost-effective accelerometers can yield instantaneous results of force, power, and velocity, with minimum set-up time to assess muscle power. However, such devices must also produce both valid and reliable data. OBJECTIVE: The current study assessed the validity and reliability of the Myotest Pro wireless accelerometer (ACC). METHODS: Thirty physically active males performed two squat jump, on two separate sessions. The jump was recorded simultaneously by a force platform and ACC, which was attached to a barbell resting on the subjects' shoulders. Validity was determined using Pearson correlation coefficient (r) and t-test between the maximum force platform (F-{FP}) and ACC (F-{ACC}) force. Between session reliability of F-{ACC}, power (P-{ACC}) and velocity (V-{ACC}) from the ACC were assessed with t-test, intraclass correlation coefficient (ICC), and coefficient of variation (CV). RESULTS: F-{ACC} correlated highly to F-{FP} (r=0.815, p< 0.05), but there was a proportionate ratio bias of 0.81. There was no difference between sessions (p> 0.05) for any variable. High ICCs were found for all variables (F-{ACC} 0.90; P-{ACC} 0.80; V-{ACC} 0.84). Low CV was found for F-{ACC} (2.1%), P-{ACC} (3.3%) and V-{ACC} (3.2%). CONCLUSIONS: ACC is a valid and reliable tool to use for assessing barbell movement, but caution in power data interpretation is needed.

AB - BACKGROUND: Portable and cost-effective accelerometers can yield instantaneous results of force, power, and velocity, with minimum set-up time to assess muscle power. However, such devices must also produce both valid and reliable data. OBJECTIVE: The current study assessed the validity and reliability of the Myotest Pro wireless accelerometer (ACC). METHODS: Thirty physically active males performed two squat jump, on two separate sessions. The jump was recorded simultaneously by a force platform and ACC, which was attached to a barbell resting on the subjects' shoulders. Validity was determined using Pearson correlation coefficient (r) and t-test between the maximum force platform (F-{FP}) and ACC (F-{ACC}) force. Between session reliability of F-{ACC}, power (P-{ACC}) and velocity (V-{ACC}) from the ACC were assessed with t-test, intraclass correlation coefficient (ICC), and coefficient of variation (CV). RESULTS: F-{ACC} correlated highly to F-{FP} (r=0.815, p< 0.05), but there was a proportionate ratio bias of 0.81. There was no difference between sessions (p> 0.05) for any variable. High ICCs were found for all variables (F-{ACC} 0.90; P-{ACC} 0.80; V-{ACC} 0.84). Low CV was found for F-{ACC} (2.1%), P-{ACC} (3.3%) and V-{ACC} (3.2%). CONCLUSIONS: ACC is a valid and reliable tool to use for assessing barbell movement, but caution in power data interpretation is needed.

KW - Field measurement

KW - muscle performance

KW - power assessment

KW - power production

KW - test-retest design

U2 - 10.3233/IES-130484

DO - 10.3233/IES-130484

M3 - Journal article

AN - SCOPUS:84878824987

VL - 21

SP - 101

EP - 105

JO - Isokinetics and Exercise Science

JF - Isokinetics and Exercise Science

SN - 0959-3020

IS - 2

ER -