Massage tool loosens tight calves in minutes, study finds
NCT ID NCT06934694
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether a technique called instrument-assisted soft tissue mobilization (IASTM) can quickly reduce calf muscle stiffness and improve ankle flexibility. Forty healthy adults received a single IASTM treatment, and their muscle stiffness and ankle range of motion were measured before and after. The goal was to see if this manual therapy provides immediate benefits for muscle tightness and joint movement.
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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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40 people
The number who actually took part.
- Started
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Apr 2025
- Finished
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Jun 2025
- 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 35 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Age between 18 and 45 years * Healthy individuals without current lower limb injury * No history of surgery to the ankle, knee, or calf * Able to perform the weight-bearing lunge test without assistance * Willing to refrain from intense lower-limb exercise 24 hours before testing Exclusion Criteria: * Current or recent (past 3 months) lower limb musculoskeletal pain or injury * Known neuromuscular or vascular disorders affecting the lower extremity * Use of medications affecting muscle tone or flexibility within 48 hours prior to testing * Previous adverse reactions to manual therapy or IASTM * Skin lesions, bruising, or conditions over the gastrocnemius that contraindicate IASTM * Pregnancy
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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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University of Primorska, Faculty of Health Sciences, Izola
Izola, Municipality of Izola, 6310, Slovenia
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