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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02311062
Other study ID # UoG INJ001
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 2012
Est. completion date June 2012

Study information

Verified date November 2023
Source University of Greenwich
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This investigation is aimed to examine the effects of two different exercise-oriented protocols on the knee torque-angle relationship of the knee flexors. Thirty two young soccer players were be randomly assigned to three groups: hamstring-eccentric (ECC, n=11), unstable-squatting (UNS, n=11) or control (C, n=10). The ECC and UNS groups performed eighteen sessions over 6 weeks of an injury prevention protocol, using only 3 hamstring-eccentric or unstable-squatting exercises. The angle-torque relationship was measured before and after the training intervention. Voluntary isometric torque was recorded at six test angles, with participants prone (35º-100º; 0º on full extension).


Description:

This study utilized a three parallel-groups randomized controlled design, where 3 between-participant conditions, ECC, UNS and C, were tested. Once considered eligible for the study, all participants were familiarized with the testing procedures. Participants attended the laboratory for a pre-training test session, where body mass, height and muscle functional parameters were recorded. Two days after their pre-test, participants including in ECC or UNS started a 6 weeks (18 sessions) training program while the control group did not perform any type of resistance training. Nevertheless, during the 6 weeks intervention period all three groups continued with their normal recreationally physical activity consisting in 2 to 3 sessions per week of soccer training or friendly matches. Two days after the end of the intervention period muscle function was re-tested.


Recruitment information / eligibility

Status Completed
Enrollment 32
Est. completion date June 2012
Est. primary completion date May 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - males, recreationally trained football players - Read and sign the informed consent Exclusion Criteria: - Participants that has undertaken a lower body resistance-training program in the preceding 6 months, - Reported a previous lower limb injury

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Eccentric hamstring exercises
Three exercises: 3 sets of 8 repetitions with 1 minute of rest between sets and 2 minutes of rest between exercises
Unistable exercises
Three exercises: 3 sets of 8 repetitions with 1 minute of rest between sets and 2 minutes of rest between exercises
Control
Only soccer training

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
University of Greenwich

Outcome

Type Measure Description Time frame Safety issue
Primary knee torque-angle Isokinetic measurements 1 week
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