Kilgallon, Jonathan and Cave, Joseph and Cushion, Emily and Joffe, Shaun and Tallent, Jamie (2022) Reliability of the Coach’s Eye goniometer application during squat exercise. Central European Journal of Sport Sciences and Medicine, 38 (2). pp. 47-59. DOI https://doi.org/10.18276/cej.2022.2-05
Kilgallon, Jonathan and Cave, Joseph and Cushion, Emily and Joffe, Shaun and Tallent, Jamie (2022) Reliability of the Coach’s Eye goniometer application during squat exercise. Central European Journal of Sport Sciences and Medicine, 38 (2). pp. 47-59. DOI https://doi.org/10.18276/cej.2022.2-05
Kilgallon, Jonathan and Cave, Joseph and Cushion, Emily and Joffe, Shaun and Tallent, Jamie (2022) Reliability of the Coach’s Eye goniometer application during squat exercise. Central European Journal of Sport Sciences and Medicine, 38 (2). pp. 47-59. DOI https://doi.org/10.18276/cej.2022.2-05
Abstract
This study examined the test re-test, intrarater and interrater reliability of joint kinematics from the Coach’s Eye smartphone application. Twenty-two males completed a 1-repetition maximum (1-RM) assessment followed by 2 identical sessions using 5 incremental loads (20%-40%-60%-80%-90% 1-RM). Peak flexion angles at the hip, knee, and ankle joints were assessed using 1 experienced practitioner and 1 inexperienced practitioner. The acceptable reliability thresholds were defined as intraclass correlation coefficient (ICC) (r) > 0.70 and coefficient of variation (CV) ≤ 10%. The test re-test reliability of peak hip and knee flexion were reliable across 20-90% 1-RM (r > 0.64; CV < 4.2%), whereas peak ankle flexion was not reliable at any loaded condition (r > 0.70; CV < 20.4%). No significant differences were detected between trials (p > 0.11). The intrarater reliability was near perfect (r > 0.90) except for peak ankle flexion (r > 0.85). The interrater reliability was nearly perfect (r > 0.91) except for hip flexion at 80% 1-RM and ankle flexion at 20% (r > 0.77). Concludingly, the Coach’s Eye application can produce repeatable assessments of joint kinematics using either a single examiner or 2 examiners, regardless of experience level. The Coach’s Eye can accurately monitor squat depth.
Item Type: | Article |
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Uncontrolled Keywords: | range of motion, kinematics, lower limb joints, two-dimensional analysis, rehabilitation |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Sport, Rehabilitation and Exercise Sciences, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 23 Dec 2022 09:14 |
Last Modified: | 31 Aug 2023 11:22 |
URI: | http://repository.essex.ac.uk/id/eprint/32896 |
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