Adaptation in Lower Extremity After 3 Running Days, With a Group Trained by Eccentric Overload

Sports Injuries Clinical Trial

Official title:

Differences in Muscle (Vastus Laterals and Gastrocnemius Medialis) and Tendon Adaptation (Patellar and Achilles) in Lower Extremity After 3 Running Days With a Group Trained by Eccentric Overload, Measured by Ultrasound and Thermography

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02481063
• Other study ID #: TF_US20015
• Status: Completed
• Phase: N/A
• First received: May 27, 2015
• Last updated: August 20, 2015
• Start date: June 2015
• Est. completion date: August 2015

Study information

• Verified date: June 2015
• Source: Universidad San Jorge
• Contact: n/a
• Is FDA regulated: No
• Health authority: Spain: Ethics Committee
• Study type: Interventional

Clinical Trial Summary

This study evaluates the changes in muscles and tendons in the lower limb after an intervention of fatigue during 3 consecutive days between trained or not healthy subjects. One of the 2 groups received training by eccentric overload previously.

Description:

Changes in muscle and tendon tissues, due to exercise, could determine in the future the possibility of an injury. Understand the changes in the mechanical tissues is a key tool for prevention.

The evaluation of the thickness and area in tendons, the existence of new vessels within the tendon, muscle pennation angle or thermography are tools that have been widely used to detect these changes.

Running is one of the activities that can cause more muscle-tendon injuries, specially overuse injuries. However, the eccentric exercise suggest to make some adaptations in different tissues that may be beneficial to prevent damage after exercise.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 19
• Est. completion date: August 2015
• Est. primary completion date: June 2015
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Male
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Healthy subjects that performs any sport usually

• Subjects that never have made eccentric training will be included.

• Subjects must be willing to perform the procedure

• Sign informed consent

Exclusion Criteria:

• Subjects enrolled with lower limb pathology in last 6 months

• Subjects that don´t complete all the procedure will be excluded.

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Screening

Related Conditions & MeSH terms

• Sports Injuries

Intervention

Other:
• Control
3 Consecutive Days Running at 80% Maximus Heart Rate
• Eccentric Overload
Training with Eccentric Overload (Squat in Yoyo Technology) during 6 Weeks 3 Consecutive Days Running at 80% Maximus Heart Rate

Locations

Country	Name	City	State
Spain	Universidad San Jorge	Villanueva de Gallego	Zaragoza

Sponsors (2)

Lead Sponsor	Collaborator
Universidad San Jorge	University of Jaén

Country where clinical trial is conducted

Spain, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Composite Measure with Ultrasound in Tendons and Muscles	Ultrasound in Patellar and Achilles Tendon, to measure area, thickness and new blood vessels with Doppler.; Ultrasound in Vastus Lateralis and Gastrocnemius Medialis to measure pennation angle	Change from Baseline in tendon structure, an expected average of 3 days of running	No
Secondary	Temperature changes in Patellar and Achilles Tendon as assessed by thermography	Thermography in Patellar and Achilles Tendon in order to measure changes in temperature os these areas of interest	Change from Baseline in tendon structure after 3 days of running. Just immediately and 10 minutes after intervention	No