Validity and Reliability of the WIMUTM Inertial Device for the Assessment of Joint Angulations

García-Rubio, Javier; Pino, Jesús; Olivares, Pedro R.; Godoy, Sergio José Ibáñez

doi:10.3390/ijerph17010193

Cited by 11 publications

(4 citation statements)

References 23 publications

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“…For data collection, players carried Wimu Pro ultra-wideband-based position-tracking system devices (RealtrackSystems, Almería, Spain). The system provides high ecological relevance for analysis of real training and match situations related to physical demands [ 26 ], and was previously validated in other studies on soccer [ 27 ] and basketball [ 28 ] where it was indicated as a valid and reliable inertial device for measuring dynamic weight-bearing ankle dorsiflexion [ 29 ] and angle positions for the assessment of joint range of motion [ 30 ]. Previous studies have also shown the satisfactory reliability and accuracy of results from the accelerometer under static and dynamic conditions [ 31 ], and proved the device to be valid and reliable for step counts, regardless of the level of physical activity [ 32 ].…”

Section: Methodsmentioning

confidence: 99%

Training Load in Different Age Category Soccer Players and Relationship to Different Pitch Size Small-Sided Games

Santos

Figueiredo

Filho

et al. 2021

Sensors

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This study sought to evaluate the training load in different age category soccer players associated with distinct pitch size small-sided games (SSGs). Twenty-four soccer players (eight in each age category: U-12, U-15, and U-23) performed three consecutive 4 vs. 4 ball possession SSGs (SSG1: 16 × 24 m; SSG2: 20 × 30 m; and SSG3: 24 × 36 m) all with 3 min duration and 3 min rest. Subjects carried ultra-wideband-based position-tracking system devices (WIMU PRO, RealTrack System). Total distance covered increased from SSG1 to SSG3 in all age categories and predominantly in running speeds below 12 km∙h−1. Moreover, distance covered in 12–18 km∙h−1 running speed was different in all performed SSGs and age categories. Residual or null values were observed at 18–21 km∙h−1 or above running speed, namely in U-12, the only age category where metabolic power and high metabolic load distance differences occurred throughout the performed SSGs. Edwards’ TRIMP differences between age categories was only observed in SSG2 (U-12 < U-15). The design of SSGs must consider that the training load of the players differs according to their age category and metabolic assessment should be considered in parallel to external load evaluation in SSGs. Wearable technology represents a fundamental support in soccer.

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Section: Methodsmentioning

confidence: 99%

Training Load in Different Age Category Soccer Players and Relationship to Different Pitch Size Small-Sided Games

Santos

Figueiredo

Filho

et al. 2021

Sensors

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“…The WIMU system (WI) (RealTrack Systems, Almería, Spain) was established as the gold standard to establish the concurrent validity of FM measurements [19,[32][33][34]. It comprises a digital inclinometer displaying a range of 360 • marked in 0.1 • increments.…”

Section: The Gold Standardmentioning

confidence: 99%

A New Flexometric Method to Evaluate Range of Movement: A Validity and Reliability Study

Moras Feliu,

Gisbert-Orozco,

González

et al. 2024

Applied Sciences

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Hip range of movement (ROM) impairments could affect individuals’ quality of life. The aim of this study is to describe a new flexometric method (FM) as a means to estimate hip ROM and to determine its concurrent validity and inter-rater and intra-rater reliability. Hip ROM was measured by performing the straight leg raise test (SLR) and hip abduction test (HA). The WIMU system is the gold standard. ROM was calculated in degrees using a trigonometric function based on values derived from measurements with a flexometer. The SLR and the HA showed high concurrent validity and good inter- and intra-rater reliability with an interclass correlation coefficient value that was at all times > 0.9. The minimal detectable change at the 90% confidence level for inter- and intra-rater reliability was equal to or greater than 5.7° in SLR-Right, 5.6° in SLR-Left, 5.1° in HA, 6.3° in SLR-Right, 4.9° in SLR-Left, and 5.4° in HA, respectively. This study suggests that the FM is a valid and reliable tool for assessing hip ROM. Due to its convenience and cost-effectiveness, this method could be widely used to measure the ROM of several joints in field-based tests.

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“…A number of professionals, including physicians and physiotherapists, coaches, and athletic trainers have been performing objective outcome-based care, concerning for example joint angles, and thus, the use of valid and reliable instruments to measure the joint angle is imperative. The joint angle measures represent the index of change in sports functional performance or the evaluation outcome value to therapeutic interventions during rehabilitation programs ( García-Rubio et al, 2019 ; Lim, 2021 ; Oh et al, 2019 ). To achieve accurate and reliable results, highly skilled and well-trained operators are required to calibrate and run the 3D motion capture system; thus, they are not easily available to all professionals ( Krause et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Concurrent and Angle-Trajectory Validity and Intra-Trial Reliability of a Novel Multi-View Image-Based Motion Analysis System

Lee¹,

Ahn²,

Lim³

2023

Journal of Human Kinetics

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Sports-related injuries are the most common in the lower extremities among physical regions. To evaluate impaired functional performance in sports training facilities and sports, a marker-less motion analysis system that can measure joint kinematics in bright indoor and outdoor environments is required. The aim of this study was to establish the concurrent and angle-trajectory validity and intra-trial reliability of a novel multi-view image-based motion analysis system with marker-less pose estimation during lower extremity tasks in healthy young men. Ten healthy young men participated voluntarily in this study. The hip and knee joint angles were collected using a multi-view image-based motion analysis system (marker-less) and a Vicon motion capture system (with markers) during the lower extremity tasks. Intraclass correlation coefficient (ICC) analyses were used to identify the concurrent and angle-trajectory validity and intra-trial reliability of the multi-view image-based motion analysis system. In the concurrent validity, the correlation analysis revealed that the ICC3, k values on the hip and knee flexions during knee bending in sitting, standing, and squat movements were from 0.747 to 0.936 between the two systems. In particular, the angle-trajectory validity was very high (ICC3, 1 = 0.859–0.998), indicating a high agreement between the two systems. The intra-trial reliability of each system was excellent (ICC3, 1 = 0.773–0.974), reflecting high reproducibility. We suggest that this novel marker-less motion analysis system is highly accurate and reliable for measuring joint kinematics of the lower extremities during the rehabilitation process and monitoring sports performance of athletes in training facilities.

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Validity and Reliability of the WIMUTM Inertial Device for the Assessment of Joint Angulations

Cited by 11 publications

References 23 publications

Training Load in Different Age Category Soccer Players and Relationship to Different Pitch Size Small-Sided Games

Training Load in Different Age Category Soccer Players and Relationship to Different Pitch Size Small-Sided Games

A New Flexometric Method to Evaluate Range of Movement: A Validity and Reliability Study

Concurrent and Angle-Trajectory Validity and Intra-Trial Reliability of a Novel Multi-View Image-Based Motion Analysis System

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