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Completed

NCT Number: NCT07711054

Action Observation vs. Motor Imagery on Squat Vertical Jump in Novices

This randomized, three-arm study compared the effects of action observation (AO) and motor imagery (MI), each delivered as a brief 10-second pre-movement stimulus, on squat vertical jump (SVJ) performance in healthy novice adults, against a control condition, over a two-week, six-session programme. For every jump, an unstimulated basic jump and a post-stimulus jump were recorded with an Optojump optical system, and the cognitive-stimulus effect was quantified as the difference between them.

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Key information

Conditions

Healthy Volunteers Motor Skills

Age range

17 year–23 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Faculty of Public Health, Lebanese University

Beirut, Lebanon

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy young adult;
  • normal or corrected-to-normal vision;
  • completely naive to the squat vertical jump task and to action observation / motor imagery interventions.

Exclusion criteria

  • History of neurological,
  • musculoskeletal,
  • visual impairment.

Treatment and study plan

Action observation stimulus

Behavioral

linked to Arm 1 > Ten-second observation of a video model performing the squat vertical jump immediately before each jump.

Motor imagery stimulus

Behavioral

linked to Arm 2 > Ten-second third-person visual motor imagery of the squat vertical jump immediately before each jump.

Primary outcomes

  1. Cognitive-stimulus effect on squat vertical jump height

    Time frame: Each of six sessions across two weeks

    Within-session difference between the post-stimulus jump height and the unstimulated basic jump height (post-stimulus minus basic jump), in centimetres, measured with an Optojump optical system

Secondary outcomes

  1. Change in squat vertical jump height across sessions

    Time frame: Session 1 to session 6 (two weeks)

    Change in post-stimulus squat vertical jump height (cm) from the first to the final training session.

Sponsors and collaborators

Lead sponsor

Lebanese University

Other

Registry information

Official study title

Comparing Action Observation and Motor Imagery Training: A Two-Week Intervention on Squat Vertical Jump Performance

Acronym: AO_MI

Important dates

Study start
2023
Primary completion
2024
Study completion
2024
First posted
Jul 17, 2026
Registry last updated
Jul 17, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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