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Hockey Players' knee pain linked to weaker legs, study finds

NCT ID NCT07356596

Knowledge-focused Sponsor: Linnaeus University Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
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Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 28 elite male ice hockey players to see how patellar tendinopathy (a common knee overuse injury) affects leg strength and power. Players were grouped by ultrasound findings into healthy, one-sided, or both-sided tendon issues. They performed leg strength tests on a robotic device and a 6-second all-out cycling test. The goal was to identify differences that could help guide training or injury prevention.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

28 people

The number who actually took part.

Started

Jan 2025

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Twenty-eight male players from the Swedish Hockey League (age: 25 ± 4.6 years; body mass index: 25.5 ± 2.0) participate in this study. Based on ultrasound findings, players are classified as healthy (HG; n = 8), unilateral patellar tendinopathy (UPTG; n = 8), or bilateral patellar tendinopathy (BPTG; n = 12). Of 35 consenting players, only those without current or prior knee injuries affecting lower-extremity function are included. A licensed physiotherapist conducts screening, excluding five players, while two additional players are excluded due to training-related injuries.

Ages

18 to 40 years

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male * Elite ice-hockey player * ≥ 18 year Exclusion Criteria: * injuries to lower extremity that could influence test perfomance * deviant passive and active range of motion in the knee joint * pain in the knee during squatting, lunging, or jumping * limping while walking * positive patellar The Royal London Hospital Test * palpable or visible the knee joint effusion * positive Lachmann, varus/valgus stress test, patellar apprehension, or Murray's/Apley's test * hypo- or atrophic quadriceps on only one side (side difference with limb symmetry index \< 90%).

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Conditions

The condition(s) this trial relates to.

patellar tendinitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Patellar tendinitis

Contacts and locations

Locations

  • Sofia Ryman Augustsson

    Kalmar, 391 82, Sweden

More trials for these conditions

Other studies related to the condition(s) this trial covers.