Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/112313
Title: Validity and Reliability of a Load Cell Sensor-Based Device for Assessment of the Isometric Mid-Thigh Pull Test
Authors: Montoro-Bombú, Raynier
Gomes, Beatriz 
Santos, Amândio 
Rama, Luis
Keywords: force; strength; rate of force development; peak force; force-time curve
Issue Date: 22-Jun-2023
Publisher: MDPI
Serial title, monograph or event: Sensors
Volume: 23
Issue: 13
Abstract: In recent years, there has been an exponential increase in the number of devices developed to measure or estimate physical exercise. However, before these devices can be used in a practical and research environment, it is necessary to determine their validity and reliability. The purpose of this study is to test the validity and reliability of a load cell sensor-based device (LC) for measuring the peak force (PFr) and the rate of force development (RFD) during the isometric mid-thigh pull (IMTP) test, using a force plate (FP) as the gold standard. Forty-two undergraduate sport science students (male and female) participated in this study. In a single session, they performed three repetitions of the IMTP test, being tested simultaneously with an LC device and a Kistler force platform (FP). The PFr and RFD data were obtained from the force-time curve of the FP and compared with the LC data, provided automatically by the software of the device (Smart Traction device©). The mean difference between the results obtained by the LC device and the gold-standard equipment (FP) was not significantly different (p > 0.05), for both PFr and RFD, which suggests the validity of the ST results. Bland-Altman analysis showed a small mean difference in PFr = 1.69 N, upper bound = 47.88 N, and lower bound = -51.27 N. RFD showed that the mean difference was -5.27 N/s, upper limit = 44.36 N/s, and lower limit = -54.91 N/s. Our results suggest that the LC device can be used in the assessment of the isometric-mid-thigh-pull test as a valid and reliable tool. It is recommended that this device's users consider these research results before putting the ST into clinical practice.
URI: https://hdl.handle.net/10316/112313
ISSN: 1424-8220
DOI: 10.3390/s23135832
Rights: openAccess
Appears in Collections:FCDEF - Artigos em Revistas Internacionais
I&D CIDAF - Artigos em Revistas Internacionais

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