Test-retest reliability of two-dimensional video analysis during running

Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine
Bart DingenenPeter Malliaras

Abstract

To examine test-retest reliability of two-dimensional measured frontal and sagittal plane kinematics during running, and to determine how many steps to include to reach and maintain a stable mean. Reliability study. Research laboratory. Twenty-one recreational runners. Lateral trunk position, contralateral pelvic drop, femoral adduction, hip adduction, knee flexion and ankle dorsiflexion during midstance, and foot and tibia inclination at initial contact were measured with two-dimensional video analysis during running for 10 consecutive steps for both legs. All participants were tested twice one week apart. A sequential estimation method was used to determine the number of steps needed to reach a stable mean. Intraclass correlation coefficients (ICC) and smallest detectable differences (SDD) were calculated. The minimal number of steps was 6.3 ± 0.3. Lateral trunk position, femoral adduction and foot inclination showed excellent reliability (ICC 0.90-0.99; SDD 1.3°-2.3°). Tibia inclination and ankle dorsiflexion showed good to excellent reliability (ICC 0.73-0.92; SDD 2.2°-4.8°). Hip adduction and knee flexion showed good reliability (ICC 0.82-0.89; SDD 2.3°-3.8°). Contralateral pelvic drop showed moderate to good reliability (...Continue Reading

Citations

Jun 9, 2020·Prosthetics and Orthotics International·Alexandria MicheliniJan Andrysek
Jul 25, 2020·Annals of Biomedical Engineering·Alexander T PeeblesRobin M Queen
Oct 28, 2020·British Journal of Sports Medicine·Christopher NapierAlan Rankin
Feb 8, 2021·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Alexander T PeeblesRobin M Queen
Jul 9, 2021·Frontiers in Bioengineering and Biotechnology·Maurice MohrPeter A Federolf

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