The Effects of Foam Rolling on Ankle Dorsiflexion, Ankle Stability, and Athletic Performance in Rhythmic Gymnasts

August 12, 2025 updated by: Giacomo Belmonte, University of Palermo

The Effects of Foam Rolling During the Warm-Up Phase on Range of Motion, Ankle Stability and Leaping Performance in Young Elite Rhythmic Gymnasts

Rhythmic Gymnastics is an Olympic discipline featuring individual or team competition. Regardless of the type of competition, athletes undergo rigorous training focused on enhancing their coordination, joint range of motion, and jump height. Each rhythmic gymnast voluntarily underwent testing at their own gym after reading and signing the informed consent document. During the first session, general information was collected on all participants (age, weight, and height), followed by an assessment of athletic performance and joint mobility parameters. For the jump performance parameters, the Counter Movement Jump test (CMJ) was used through an optical detecting system. An inertial sensor was used to measure joint mobility, while a pressure platform was used to measure ankle stability, using a single-leg jump protocol. Subsequently, participants were randomly divided into two groups: an experimental group (EG) and a control group (CG). The EG performed three sets, each lasting 60 seconds, with a 30-second break between sets for two times for week for 3 weeks. During each FR session, a complete sequential movement was always performed, starting from the gastrocnemius muscles and ending with the soleus muscle. At the end of the three weeks, all measurements were repeated.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
26

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Italy
      • Palermo, Italy, 90144
        • University of Palermo

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Active participation in competitive training programs (at least 10 hours per week), at least one year of experience in competitions organized by the Italian Gymnastics Federation, and no recent injuries.

Exclusion Criteria:

  • Presence of current or not fully recovered injuries to the ankle or foot, and irregular participation in training sessions within the four weeks preceding the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
No Intervention: Control Group (CG)
Experimental: Experimental: Foam Rolling (FR)
Three sets, each lasting 60 seconds, with a 30-second break between sets for two times for week. During each FR session, a complete sequential movement was always performed, starting from the gastrocnemius muscles and ending with the soleus. A metronome was set to play one complete repetition every 2 seconds to establish the speed of execution.
Other: Foam Rolling (FR)
For the FR, participants were asked to place the roller behind their leg. Three sets, each lasting 60 seconds, with a 30-second break between sets, were performed, for a total of 90 rolls per set.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Counter Movement Jump (CMJ)
Time Frame: At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)
Initially, the athlete stands upright on a flat surface or force platform, feet shoulder-width apart, hands on hips (to eliminate arm swing). Without a pause, the athlete performs a quick downward movement (countermovement) by bending the knees and hips, then immediately jumps vertically as high as possible. The athlete lands in an upright position on the same spot, trying to absorb the impact with knees slightly bent. Jump height and flight time is recorded using an optical system, Optojump™ system(Microgate, Bolzano, Italy) connected to a personal computer with dedicated software(OptojumpTM Next software). The system consists of two optical bars, a receiver and a transmitter, positioned 1m apart. The bars identify ground contact time(with a precision of 1ms) and then convert non-contact time into cm. Based on recommendations on optimal jump height (20 to 60cm).
At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)
Ankle Dorsiflexion ROM
Time Frame: At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)
Each participant was fitted with an inertial sensor (Beyond Inertial, Motusech, Roma, Itay) in the center of the foot, using an elastic band supplied with the sensor. The starting position was standardized with the subjects sitting on a medical bed with the popliteal cord attached to the edge of the bed, forming a 90° angle. The position of the foot, on the other hand, was placed in a neutral position using a laser level. Subsequently, the dorsal flexion movement was performed.
At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)
Ankle Stability
Time Frame: At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)
Ankle stability was assessed using a functional monopodalic protocol, which involved four jumps on one foot: two per leg, both frontally and laterally. These jumps were performed by stepping over an adjustable obstacle set at 70% of the maximum height reached on a pressure platform (SensorMedica freeMed 40×40, Guidonia Montecelio, Italy). The platform has an active sensory surface of 40×40 cm with a thickness of only 8 mm and a low weight of approximately 4 kg. Inside, there are resistive sensors coated in 24K gold on conductive rubber, with a density of approximately 10,000 sensors/m².The acquisition frequency is high, up to 400 Hz, allowing for detailed dynamic analysis, and the sensors have a life cycle of over 1,000,000 cycles of use
At the beginning of enrollment ( Baseline, T0) and the end of the 3-week treatment (T1)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Palermo

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
May 1, 2025

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 15, 2025

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 30, 2025

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 2, 2025

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 2, 2025

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 8, 2025

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 17, 2025

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 12, 2025

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2025

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 62141-2025-1

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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