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Tendon InjuriesNCT05527886

Acute Effects of Dynamic Stretching, Plyometrics, and Loading on Achilles Tendon Properties and Performance Outcomes

A study testing AAROM, Slow Load and Plyometric in people with Tendon Injuries, run by University of South Dakota at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The study will be looking at acute changes in Achilles tendon properties and changes in a vertical single leg hop following an exercise intervention. The three exercise interventions will be randomized and take place on separate days 1 week apart. The three exercise interventions are AAROM, slow load, and plyometrics. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Tendon Injuries
What is being tested?
AAROM, Slow Load and Plyometric
Could I receive a placebo?
No, everyone receives an active treatment
How many people
5 participants
Where
1 siteUnited States
Study dates
18 Jan 2023to 3 Oct 2023
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • College student

Who cannot join

  • Unable to complete interventions

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Sanford Coyote Sport Center

    Vermillion, South Dakota, 57069

Other trials in United States

About this study

The study will be looking at acute changes in Achilles tendon properties and changes in a vertical single leg hop following an exercise intervention. The three exercise interventions will be randomized and take place on separate days 1 week apart. The three exercise interventions are AAROM, slow load, and plyometrics.

Read the detailed description

The purpose of the study is to determine if there are acute changes in Achilles tendon properties and changes in performance based on what tendon exercise intervention is being used. About 70 people will take part in this research.

Conditions
Tendon Injuries
Being tested
AAROM, Slow Load, Plyometric
Medical subject headings
Tendon Injuries

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • AAROMOther

    AAROM with knee to wall exercise, 3x30 reps

  • Slow LoadOther

    Single leg heel raise, 3x10 reps

  • PlyometricOther

    Double leg 5 inch wall hops, 3x10 sec

Study groups in NCT05527886
Study groupRoleWhat they receive
Group 1ExperimentalRandomized AAROM, Slow Load, or Plyometric intervention
Receives: Other: AAROM; Other: Slow Load; Other: Plyometric
Group 2ExperimentalRandomized AAROM, Slow Load, or Plyometric intervention
Receives: Other: AAROM; Other: Slow Load; Other: Plyometric
Group 3ExperimentalRandomized AAROM, Slow Load, or Plyometric intervention
Receives: Other: AAROM; Other: Slow Load; Other: Plyometric

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Achilles Tendon Stiffness

    A myotonometer will measure the stiffness in N/m.

    Measured: immediately

  2. Achilles Tendon Natural Oscillation

    A myotonometer will measure the natural oscillation frequency in Hz.

    Measured: immediately

  3. Achilles Tendon Logarithmic Decrement

    A myotonometer will measure logarithmic decrement, which is a measure of elasticity.

    Measured: immediately

  4. Achilles Tendon Mechanical Stress Relaxation Time

    A myotonometer will measure mechanical stress relaxation time in ms.

    Measured: immediately

  5. Achilles Tendon Creep

    A myotonometer will measure creep in De.

    Measured: immediately

Secondary outcomes (5)
  1. Single-leg drop jump vertical

    Single-leg vertical drop jump from 4-inch box with knee locked in extension will be measured in cm. A higher jump is considered better.

    Measured: immediately

  2. Reactive Strength Index

    Reactive Strength Index will be measured as an AU, the higher the better.

    Measured: immediately

  3. Flight Time

    Flight time will be measured in ms, the higher the better.

    Measured: immediately

  4. Contact Time

    Contact time will be measured in ms, the lower the better.

    Measured: immediately

  5. Limb Stiffness

    Limb stiffness will be measured in kN/m, generally the higher the better.

    Measured: immediately

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Sep 2022
  2. Study start18 Jan 2023
  3. Primary completion3 Oct 2023
  4. Study completion3 Oct 2023

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Single blind
Who is masked
Investigator
Enrolment
5 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05527886
Sponsor's protocol ID
22-211
Status last verified
Dec 2023
First submitted
1 Sep 2022
Last updated
11 Dec 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Data will be available upon request

Questions about this trial

What is this clinical trial studying?

A study testing AAROM, Slow Load and Plyometric in people with Tendon Injuries, run by University of South Dakota at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 11 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Achilles Tendon Stiffness (time frame: immediately). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Dec 2023.

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