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Article Abstract

Objectives: The purpose of this study was to assess the reliability of a series of lateral hops for both performance and lower extremity kinematics.

Design: Between-session reliability study.

Setting: University Laboratory.

Participants: 20 subjects (11 male, 9 females) 25.14 ± 2.77 years, 72.97 ± 9.73 kg, and 169.44 ± 7.23 cm.

Main Outcome Measures: Participants completed four lateral hops, altering their takeoff and landing legs. We quantified hop distance and 2-dimensional frontal and sagittal plane kinematics at peak knee flexion. Testing was performed on two occasions, with a mean difference of 7 days apart. Interclass correlation coefficients and paired t-tests were performed to compare reliability and differences in outcome measures across the two sessions, p < .05.

Results: All four lateral hops had good to excellent reliability (ICC 0.84-0.91), with no statistical difference in hop distance between days, p > .05. Sagittal plane kinematics had good to excellent reliability (ICC 0.86-0.95) however frontal plane kinematics showed moderated to good reliability (ICC 0.54-0.90).

Conclusion: A battery of lateral hopping tasks has moderate to excellent reliability for both performance and kinematics, suggesting their use by clinicians and in clinical practice.

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http://dx.doi.org/10.1016/j.ptsp.2025.08.006DOI Listing

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