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Completed

NCT Number: NCT07742267

Effects of Unstable Core Training on Sport Performance Among Kayakers

A randomized controlled trial was conducted, recruiting 24 eligible kayakers aged 14-22 years from the Jiangxi training base, China. Participants were randomly assigned to the SUCT group and the DUCT group. Both groups completed a 12-week unstable core training program consisting of 1-hour sessions, 3 times/week. Balance ability was assessed using the flamingo balance test and star excursion balance test. Trunk muscle strength was assessed using the abdomen, back, side bridge tests, sit-up, back extension, and trunk rotation tests. Paddling performance was evaluated using the average stroke power and stroke rate for the men's K-1 200m land ergometer sprint tests.

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Key information

Conditions

Athletic Performance Kayaking Resistance Training

Age range

14 year–22 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Jiangxi training base

Yingtan, Jiangxi, 335000, China

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Young male kayakers specializing in the men's K-1 200m flatwater sprint event
  • Age between 14 and 22 years
  • Minimum 1 year of systematic kayaking specific training
  • No history of surgery, chronic health problems or chronic injuries
  • No prior systematic unstable core training (UCT)

Exclusion criteria

  • Recent sport-related injuries or ongoing health problems
  • Current participation in any unstable core training (UCT) programme

Treatment and study plan

static unstable core training (SUCT) for the experimental group

Behavioral

The SUCT group performed static exercises (Plank on BOSU ball, Shoulder Bridge on Swiss ball, Side Plank on wobble boards, Dead Bug on BOSU ball, Static Superman on BOSU ball).

dynamic unstable core training (DUCT) for the control group

Behavioral

The DUCT group performed dynamic exercises (Crunch on Swiss ball, Supine Hip Up on BOSU ball, Palfo Press on wobble boards, Dynamic Superman on BOSU ball, Russian Twist on BOSU ball).

Primary outcomes

  1. Flamingo balance test score

    Time frame: Baseline (before intervention), immediately after 12-week training intervention

    Static balance ability assessed via the flamingo balance test

  2. Star excursion balance test (SEBT) reach distance

    Time frame: Baseline, immediately after 12-week training intervention

    Dynamic balance ability assessed via the star excursion balance test

  3. Trunk abdominal stability index

    Time frame: Baseline, immediately after 12-week training intervention

    Abdominal trunk stability measurement

  4. Trunk back stability index

    Time frame: Baseline, immediately after 12-week training intervention

    Back trunk stability measurement

  5. Trunk flexion dynamic strength

    Time frame: Baseline, immediately after 12-week training intervention

    Trunk flexion strength

  6. Trunk extension dynamic strength

    Time frame: Baseline, immediately after 12-week training intervention

    Trunk extension strength

  7. Stroke power (kayak ergometer)

    Time frame: Baseline, immediately after 12-week training intervention

    Kayak paddling stroke power

  8. Stroke rate (kayak ergometer)

    Time frame: Baseline, immediately after 12-week training intervention

    Kayak paddling stroke rate

Sponsors and collaborators

Lead sponsor

Gao Jianxin

Other

Registry information

Official study title

Effects of Static and Dynamic Unstable Core Training on Balance Ability, Trunk Muscle Strength and Paddling Performance Among Young Male Flatwater Sprint Kayakers

Important dates

Study start
2023
Primary completion
2023
Study completion
2023
First posted
Aug 3, 2026
Registry last updated
Aug 3, 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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