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Effects of Foam Rolling Prior to PNF Stretching on Hamstring Flexibility and Thigh Skin Temperature in Healthy Subjects (PNF)

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ClinicalTrials.gov Identifier: NCT04718363
Recruitment Status : Recruiting
First Posted : January 22, 2021
Last Update Posted : February 2, 2021
Sponsor:
Information provided by (Responsible Party):
Sinem Yenil, Dokuz Eylul University

Study Description
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Brief Summary:
There is no study investigating the hamstring flexibility and skin temperature after combined warm-up techniques especially PNF and foam rolling. The main purpose of this study is to investigate the effects of foam roller application prior to proprioceptive neuromuscular facilitation stretching on hamstring flexibility and thigh skin temperature in healthy subjects.Secondly, it is aimed to compare the effects between non-vibration foam rolling and vibration foam rolling on measured parameters.

Condition or disease Intervention/treatment Phase
Healthy Other: PNF stretching Other: Non-vibration foam rolling prior to PNF stretching Other: Vibration foam rolling prior to PNF stretching Not Applicable

Detailed Description:
In this study forty-eight subjects will be voluntarily recruited into the study according to inclusion criteria. Participants will be randomly assigned to Vibration Foam Rolling + PNF stretching, Non-Vibration Foam Rolling + PNF stretching, only PNF stretching and control group. Subjects will be evaluated before, immediately after and 30 minutes after intervention. Hamstring flexibility will be evaluated with Active Knee Extension Angle (AKEA) Test and functionally Sit and Reach test. Thigh skin temperature will be evaluated with thermographic imaging.
Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 48 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Participant)
Primary Purpose: Treatment
Official Title: Effects of Foam Roller Application Prior to Proprioceptive Neuromuscular Facilitation Stretching on Hamstring Flexibility and Thigh Skin Temperature in Healthy Subjects
Actual Study Start Date : January 27, 2021
Estimated Primary Completion Date : September 15, 2021
Estimated Study Completion Date : September 15, 2021
Arms and Interventions
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Arm Intervention/treatment
Experimental: PNF stretching group Other: PNF stretching
A contract-relax PNF stretching technique will be applied to hamstring muscle.
Experimental: Non-vibration foam rolling prior to PNF stretching group Other: Non-vibration foam rolling prior to PNF stretching
Prior to PNF stretching, participant will perform unilateral hamstring non-vibration foam rolling.
Experimental: Vibration foam rolling prior to PNF stretching group Other: Vibration foam rolling prior to PNF stretching
Prior to PNF stretching, participant will perform unilateral hamstring vibration foam rolling (48 Hz).
No Intervention: Control Group


Outcome Measures
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Primary Outcome Measures :
  1. Change in hamstring flexibility [ Time Frame: Change from baseline hamstring flexibility at immediately after intervention and 30 minutes after intervention ]
    Active Knee Extension test in supine position will be performed to measure hamstring flexibility.

  2. Change in thigh skin temperature [ Time Frame: Change from baseline skin temperature at immediately after intervention and 30 minutes after intervention ]
    Posterior thigh skin temperature will be evaluated using thermographic imaging with infrared thermal camera.

  3. Change in functional hamstring flexibility [ Time Frame: Change from baseline functional hamstring flexibility at immediately after intervention and 30 minutes after intervention ]
    Sit-and-Reach test will be performed to measure functional hamstring flexibility.


Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • 18 years and older,
  • Having limitation of 20 degrees or more in knee extension angle in AKEA test,
  • Right side lower extremity dominance

Exclusion Criteria:

  • History of lower extremity injury in the last 12 months
  • Having neurological or psychological problem
  • Doing a stretching based exercise recently
  • History of pain in the lower body and extremity in the Nordic Musculoskeletal Questionnaire
  • Having lower extremity deformity
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04718363


Contacts
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Contact: Sinem Yenil 00904124924 sinemyenil_96@hotmail.com

Locations
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Turkey
Dokuz Eylul University Recruiting
İzmir, Turkey
Contact: Sinem Yenil       sinemyenil_96@hotmail.com   
Principal Investigator: Seher Ozyurek, PT, PhD         
Sponsors and Collaborators
Dokuz Eylul University
More Information
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Responsible Party: Sinem Yenil, Principal Investigator, PT, Dokuz Eylul University
ClinicalTrials.gov Identifier: NCT04718363    
Other Study ID Numbers: 4742-GOA
First Posted: January 22, 2021    Key Record Dates
Last Update Posted: February 2, 2021
Last Verified: January 2021

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Sinem Yenil, Dokuz Eylul University:
hamstring muscles
PNF stretching
foam rolling
thermal imaging
 flexibility
range of motion
vibration