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Pressure cuff on the leg: a new way to ease pain after ACL surgery?
NCT ID NCT06699264
First seen Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time
Summary
Researchers test whether low-load strength training with a blood pressure cuff on the leg reduces pain and improves strength after anterior cruciate ligament (ACL) reconstruction. Thirty adults who had their first ACL surgery within the past six months join either a group that trains with the cuff or a group that trains without it. Both groups do the same exercises for four weeks. The study measures pain sensitivity and knee pain to see if the cuff makes a difference.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Blood flow restriction training, a technique that uses a pressure cuff on the leg during low-load strength training
- What this could lead to
- If it works, this could give physical therapists a way to help patients rebuild strength and ease knee pain after ACL surgery using lighter weights.
- What could go wrong
- The trial is small, with 30 participants, and follows them for only four weeks. Blood flow restriction training can cause temporary numbness, muscle soreness, and a pressure sensation, and it may not improve pain more than standard training.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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30 people
The number who actually took part.
- Started
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Mar 2023
- Finished
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Dec 2024
- Lead sponsor
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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.
- Ages
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * It must be your first anterior cruciate ligament surgery * You must be between 18 and 60 years old * You must be able to successfully complete certain exercises * The injury must have occurred no longer than 6 months ago Exclusion Criteria: * Injury in other ligaments in the knee and cartilage * thrombosis * infection * high blood pressure (which is not treated with medication)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Praxisklinik Rennbahn AG
Muttenz, Basel, 4132, Switzerland
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can muscle activity patterns guide ACL recovery?
- Can the ankle fully recover after donating a tendon for ACL repair?
- Mind over knee: can psychological readiness predict a safe return to sport after ACL surgery?
- Extra nerve block may ease pain after ACL repair
- Blood flow cuffs or instrument massage: which boosts ACL recovery best?
- Knee surgery showdown: which tendon graft works best?