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Immediate Effects of Two IASTM Tools on Lower-Leg Tissue Stiffness and Ankle Mobility

2026년 9월 16일 업데이트: Žiga Kozinc, University of Primorska

Acute Effects of Instrument-Assisted Soft Tissue Mobilization Using Lower-Cost and Higher-Cost Tools Lower-Leg Tissue Stiffness and Ankle Dorsiflexion Range of Motion in Healthy Adults: A Randomized Controlled Trial

This randomized controlled trial will investigate the immediate effects of instrument-assisted soft tissue mobilization (IASTM) performed with two different commercially available tools on posterior lower-leg tissue stiffness and ankle dorsiflexion range of motion in healthy young adults. Participants will be randomly allocated to one of three parallel groups: IASTM using a higher-cost tool, IASTM using a lower-cost tool, or passive rest without IASTM.

Tissue stiffness at predefined posterior lower-leg sites and ankle dorsiflexion range of motion will be assessed before and immediately after the intervention or equivalent rest period. A single lower limb will be assessed in each participant. Participants receiving IASTM will additionally rate the pleasantness of the intervention and their perceived relaxation after the intervention.

The study will determine whether IASTM produces immediate changes in tissue stiffness and ankle dorsiflexion compared with passive rest and whether these effects differ between the two IASTM tools.

연구 개요

상태

아직 모집하지 않음

정황

개입 / 치료

상세 설명

Healthy adults aged 18 to 30 years will be randomly allocated to one of three parallel groups: higher-cost IASTM, lower-cost IASTM, or passive control. Only one lower limb will be assessed in each participant; the contralateral limb will not serve as a control.

Before and immediately after the intervention or control period, tissue stiffness will be assessed using MyotonPRO (Myoton AS, Tallinn, Estonia) at four predefined locations: the medial gastrocnemius, lateral gastrocnemius, soleus, and Achilles tendon. Gastrocnemius measurement locations will be identified at one-third of the respective anatomical reference distances described in the protocol. The soleus measurement will be performed medially at one-third of the distance from the medial malleolus toward the medial femoral condyle. The Achilles tendon will be assessed 2 cm proximal to the calcaneus. Two consecutive measurements will be obtained at each site at each assessment, and their mean will be used for analysis.

Ankle dorsiflexion range of motion will be assessed using a digital inclinometer positioned on the lateral aspect of the lower leg during a weight-bearing lunge performed while maintaining the assessed knee extended and the heel in contact with the floor.

Participants in either IASTM group will receive a six-minute standardized treatment of the posterior lower-leg region. The first minute will consist of familiarization with the instrument, desensitization, and application of IASTM cream. This will be followed by five minutes of treatment using long gliding strokes along the direction of the muscle fibers, with the instrument held at approximately a 45-degree angle. Treatment intensity will be adjusted to produce slight pain or moderate discomfort. The treatment protocol will be identical between IASTM groups except for the tool used.

Participants allocated to the control group will rest passively for an equivalent six-minute period without receiving IASTM. Participants receiving IASTM will rate intervention pleasantness and perceived relaxation immediately after treatment using 0-to-10 numerical rating scales.

연구 유형

중재적

등록 (추정된)

45

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

  • 슬로베니아
    • Urban Municipality of Koper
      • Izola, Urban Municipality of Koper, 슬로베니아, 6310
        • University of Primorska, Faculty of Health Sciences, Izola
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인

건강한 자원 봉사자를 받아들입니다

예

설명

Inclusion Criteria:

  • Age 18 to 40 years
  • Healthy volunteer
  • Willing and able to provide written informed consent

Exclusion Criteria:

  • Current or previous lower-limb injury
  • Neuromuscular disorder
  • Neurological disorder

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 기초 과학
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Higher-Cost IASTM
Participants will receive a standardized six-minute IASTM intervention to the posterior lower-leg region using the higher-cost IASTM tool. The first minute will include familiarization, desensitization, and application of IASTM cream, followed by five minutes of standardized treatment.
절차: Instrument-Assisted Soft Tissue Mobilization Using a Higher-Cost Tool
A six-minute standardized IASTM intervention applied to the posterior lower-leg region using a higher-cost IASTM tool. The first minute consists of familiarization, desensitization, and application of IASTM cream, followed by five minutes of long gliding strokes along the direction of the muscle fibers. The instrument is held at approximately 45 degrees and treatment intensity is adjusted to slight pain or moderate discomfort.
활성 비교기: Lower-Cost IASTM
Participants will receive the same standardized six-minute IASTM intervention to the posterior lower-leg region using the lower-cost IASTM tool. Treatment duration, technique, instrument angle, treated region, and intensity will be matched to the higher-cost IASTM group.
절차: Instrument-Assisted Soft Tissue Mobilization Using a Lower-Cost Tool
The same six-minute standardized IASTM intervention as in the higher-cost tool condition, performed using a lower-cost IASTM tool. Treatment duration, treated region, stroke direction, instrument angle, and target intensity are standardized between the two IASTM interventions.
간섭 없음: Passive Control
Participants will rest passively for six minutes without receiving IASTM. Measurements will be performed before and immediately after the rest period using the same procedures as in the intervention groups.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Change From Baseline in Medial Gastrocnemius Stiffness
기간: Baseline and immediately after the 6-minute intervention or rest period
Tissue stiffness will be measured using MyotonPRO and expressed in N/m. Two consecutive measurements will be obtained at each assessment and averaged.
Baseline and immediately after the 6-minute intervention or rest period
Change From Baseline in Lateral Gastrocnemius Stiffness
기간: Baseline and immediately after the 6-minute intervention or rest period
Tissue stiffness will be measured using MyotonPRO and expressed in N/m. Two consecutive measurements will be obtained at each assessment and averaged.
Baseline and immediately after the 6-minute intervention or rest period
Change From Baseline in Soleus Stiffness
기간: Baseline and immediately after the 6-minute intervention or rest period
Tissue stiffness will be measured using MyotonPRO and expressed in N/m. The measurement site will be located medially at one-third of the distance from the medial malleolus toward the medial femoral condyle. Two consecutive measurements will be obtained and averaged.
Baseline and immediately after the 6-minute intervention or rest period
Change From Baseline in Achilles Tendon Stiffness
기간: Baseline and immediately after the 6-minute intervention or rest period
Achilles tendon stiffness will be measured using MyotonPRO and expressed in N/m at a predefined site 2 cm proximal to the calcaneus. Two consecutive measurements will be obtained and averaged.
Baseline and immediately after the 6-minute intervention or rest period
Change From Baseline in Ankle Dorsiflexion Range of Motion
기간: Baseline and immediately after the 6-minute intervention or rest period
Ankle dorsiflexion range of motion will be measured in degrees using a digital inclinometer positioned on the lateral aspect of the lower leg during a weight-bearing lunge with the assessed knee maintained in extension and the heel in contact with the floor.
Baseline and immediately after the 6-minute intervention or rest period

2차 결과 측정

결과 측정
측정값 설명
기간
Perceived Pleasantness of IASTM
기간: Immediately after the 6-minute IASTM intervention
Participants receiving IASTM will rate the pleasantness of the intervention on an 11-point numerical rating scale ranging from 0 to 10, with 0 representing the lowest possible pleasantness and 10 representing the highest possible pleasantness.
Immediately after the 6-minute IASTM intervention
Perceived Relaxation After IASTM
기간: Immediately after the 6-minute IASTM intervention
Participants receiving IASTM will rate their perceived relaxation after the intervention on an 11-point numerical rating scale ranging from 0 to 10, with 0 representing the lowest possible relaxation and 10 representing the highest possible relaxation.
Immediately after the 6-minute IASTM intervention

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

University of Primorska

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 10월 1일

기본 완료 (추정된)

2026년 12월 15일

연구 완료 (추정된)

2027년 1월 15일

연구 등록 날짜

최초 제출

2026년 9월 10일

QC 기준을 충족하는 최초 제출

2026년 9월 10일

처음 게시됨 (실제)

2026년 9월 16일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 9월 17일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 9월 16일

마지막으로 확인됨

2026년 9월 1일

추가 정보

이 연구와 관련된 용어

키워드

기타 연구 ID 번호

  • UPFVZ-IASTM-2026

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

De-identified individual participant data underlying the results reported in the publication will be made available upon reasonable request. After publication of scientific manuscript, the data will also be uploaded to a trusted repository (Zenodo.org).

IPD 공유 기간

Data will become available following publication of the main study results and will remain available for at least 5 years.

IPD 공유 액세스 기준

Data will be made available to researchers upon reasonable request to the corresponding author. Requests should include a brief description of the proposed analysis and intended use of the data. Data will be shared following approval by the study investigators and, where applicable, completion of an appropriate data-sharing agreement.

IPD 공유 지원 정보 유형

  • 연구_프로토콜
  • 수액
  • ANALYTIC_CODE

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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