- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04563611
Effect of Exercises on Hamstring Muscle Function, Injury Risk, Agility and Cognitive Function
Effect of Turkish Get Up and Hamstring Exercises on Hamstring Muscle Function, Injury Risk, Agility and Cognitive Function
Hamstring muscle injuries (HMI) occurs frequently during excessive motions of the physiologic capability of these muscles. It is reported in the literature that impairments in muscle architecture, such as a decrease in the eccentric strength of the hamstring muscles of the knee (lengthening and contraction of the muscle), delay in the reaction time of the hamstring muscles, overactivity of the hamstring muscles, a decrease in the length of the hamstring muscle fibers, and inadequate cognitive functions may lead to HMI. Preventive and therapeutic exercises of HMI consist many different eccentric exercises, such as the Askling L-protocol and particularly Nordic hamstring exercise, for increasing the hamstring flexibility. However, it has been stated in recent studies that hamstring muscles should not be focused on alone, and a holistic exercise intervention that includes and addresses the present risk factors related to HMI is needed. Within our knowledge, the effect of a defined or improved holistic exercise approach to prevent and/or treat HMI has not been studied in the literature. Considering the risk factors underlying HMI, an exercise involving a holistic approach is needed to prevent all the risk factors. Turkish Get Up (TGU) exercise is a kind of cognitive exercise which activates all muscles and let to contract simultaneously during standing up from the supine position and turning back in 7 stages. Since the exercise originates from former Turkish athletes, it has been included in the literature as TGU. Hence, the exercise originates from former Turkish athletes, it has called as TGU. TGU exercise improves the effective and strong transition ability of the body while developing the pattern of standing up from the lying position on the floor and turning back by increasing condition/ endurance. Meanwhile, this exercise is a progressive coordinative and cognitive exercise, it requires completing each step before the next movement.
The role of cognitive skills and neuroscience in the interpretation, prediction and improvement of sports performance is getting popular in recent years. Previous researches reported that athletes with reduced cognitive skills had lower sportive achievements. It has also stated that the impairment in cognitive skills tend muscles to be injured. However, no studies that investigate the effectiveness of cognitive function in preventing HMI have been encountered. So, the present study will be the first study investigating effects of a special exercise addressing cognitive function which is generally ignored in the treatment of HMI.
It is aimed to figure out whether Turkish Get Up exercise or Supine sliding leg curls and Nordic Hamstring exercises are more effective on hamstring muscle function, ınjury risk, agility and cognitive function.
Healthy recreational people aged between 18-25 will assign to this study. The participants will randomly be allocated four groups (Nordic protocol group, Supine sliding leg curls group, Turkish Get Up (TGU) and control group). The exercise protocols will be applied two days a week for 6 weeks, and the control group will receive no special exercise training. Participants' hamstring muscle strengths will be evaluated with ISOMED 2000 isokinetic dynamometer, the hamstring flexibility with digital inclinometer device, injury risk with FMS™, agility with T-agility test, and the cognitive function with CNS Vital Signs in computer environment at baseline and 6 weeks after interventions.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
Etlik
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Ankara, Etlik, Turkey, 06010
- Ankara Yıldırım Beyazıt University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Being between the ages of 18-25
- Body mass index (BMI) being between 18.5-24.9 kg / m 2
- Volunteering to participate in the study
- Having the skills to do the tests and exercises to be applied
- Being a healthy recreationally active male individual (Individuals with sufficient physical activity level according to the International Physical Activity Questionnaire (IPAQ) Short form (> 3000 metabolic equivalent (MET) -min / week) will be included)
Exclusion Criteria:
- Having a history of lower extremity injury and / or hamstring strain within the past year
- Having a sensory problem that prevents participation in the study
- Have any musculoskeletal, neurological, respiratory, or cardiovascular risk factors that limit exercise
- Using drugs or nutritional supplements that can be considered doping according to the World Anti-Doping Agency (WADA)
- Having a history of malignant disease
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Muscle strength
Participants hamstring muscle strengths will be evaluated with ISOMED 2000 isokinetic dynamometer
|
|
No Intervention: Hamstring Flexibility
In this study, Individuals' evaluations of hamstring flexibility will be assessed by the active knee extension test (ICC: 0.96) with maximum hip flexion.
|
|
No Intervention: Cognitive Function
The lower (reaction time and visual-perceptual ability) and upper level (working memory, inhibitory control, and cognitive flexibility) cognitive functions of the individuals participating in the study will be evaluated with the computer assisted CNSVS test battery
|
|
No Intervention: Injury risk
Injury risk analysis of individuals will be made using the strength differences between the two sides, H: Q ratios (conventional and functional ratio) and functional movement screen (FMS), which will be obtained from the isokinetic measurement results.
|
|
Experimental: Nordic hamstring exercise
To perform this exercise, participants will be asked to stand in an upright position on their knees.
The hands and arms will be positioned on the chest and held by the physical therapist at the heels of the individuals.
The individual will then be asked to lower the upper body forward as slowly as possible.
Verbal commands will be given throughout the movement so that the hip and trunk smoothness is not disturbed
|
No exercise will be applied to the individuals in the control group.
At the end of the 6-week period, all parameters will be evaluated again.
To perform this exercise, participants will be asked to stand in an upright position on their knees.
Hands and arms will be positioned on the chest and the individuals will be held by the physiotherapist at their heels.
The individual will then be asked to lower the upper body forward as slowly as possible.
Verbal commands will be given throughout the movement so that the hip and trunk smoothness is not disturbed.
|
Experimental: Supine Sliding Leg Curls
The persons will be started to exercise in the hook position, with hands-on their back, with their knees next to the body, in a flexion position of approximately 60 °.
Participants will be asked to first build a bridge, then maintain this position and slowly slide the slippery apparatus under their feet to bring their knees to full extension.
|
No exercise will be applied to the individuals in the control group.
At the end of the 6-week period, all parameters will be evaluated again.
he protocol consists of 3 different exercises.
These are exercise 1 aimed at increasing flexibility, exercise 2 providing strength and trunk / pelvis stabilization, and exercise 3 aiming at specific strengthening.
Pain is not allowed to be provoked when performing the exercises.
|
Experimental: Turkish Get-up exercise
TG exercise, in 7 different steps (1.
Starting position, 2. Supine girya lifting, 3. Elbow supported kettlebell lifting, 4. Hand supported kettlebell lifting, 5. High bridge, 6.
Half above knee and lunge position, 7. Standing up) and the return of these different steps.
|
No exercise will be applied to the individuals in the control group.
At the end of the 6-week period, all parameters will be evaluated again.
TG exercise, in 7 different steps (1.
Starting position, 2. Supine girya lifting, 3. Elbow supported kettlebell lifting, 4. Hand supported kettlebell lifting, 5. High bridge, 6.
Half above knee and lunge position, 7. Standing up) and the return of these different steps.
|
No Intervention: Agility
Agility performances of individuals will be evaluated with the Agility T-test.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Hamstring Muscle Strength
Time Frame: 6 weeks
|
Participants hamstring muscle strengths will be evaluated with ISOMED 2000 isokinetic dynamometer
|
6 weeks
|
Hamstring Flexibility
Time Frame: 6 weeks
|
In this study, Individuals' evaluations of hamstring flexibility will be assessed by the active knee extension test (ICC: 0.96) with maximum hip flexion.
|
6 weeks
|
Cognitive Function
Time Frame: 6 weeks
|
The lower (reaction time and visual-perceptual ability) and upper level (working memory, inhibitory control, and cognitive flexibility) cognitive functions of the individuals participating in the study will be evaluated with the computer assisted CNSVS test battery
|
6 weeks
|
Injury risk
Time Frame: 6 weeks
|
Injury risk analysis of individuals will be made using the strength differences between the two sides, H: Q ratios (conventional and functional ratio) and functional movement screen (FMS), which will be obtained from the isokinetic measurement results.
|
6 weeks
|
Agility
Time Frame: 6 weeks
|
Agility performances of individuals will be evaluated with the Agility T test.
|
6 weeks
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2020-79/38
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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