Effect of Hamstring Stretching on Cervical Flexor Muscle Endurance

March 20, 2025 updated by: Ömer Osman Pala, Abant Izzet Baysal University

Acute Effect of Hamstring Stretching Performed With Proprioceptive Neuromuscular Facilitation Technique on the Endurance of Neck Deep Flexor Muscles in Healthy Women

The superficial posterior line is one of the eight main fascial lines defined on the body. One of the important muscle groups on this line is the hamstring muscle group. Studies have shown that various stretching methods applied to the hamstring muscle group affect the cervical region both in terms of range of motion and posture. As a result of this study, it was shown that deep neck flexor endurance increased in women who applied the PNF hold-relax method.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The superficial posterior line is one of the eight main fascial lines defined on the body. One of the important muscle groups on this line is the hamstring muscle group. Studies have shown that various stretching methods applied to the hamstring muscle group affect the cervical region both in terms of range of motion and posture. Our aim in our study is to examine the effect of the proprioceptive neuromuscular stretching (PNF) method applied to the hamstring muscle group on the endura of the deep neck flexors based on these data.

Study Type

Interventional

Enrollment (Actual)

66

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey
    • Merkez
      • Bolu, Merkez, Turkey, 14030
        • Bolu abant Izzet Baysal University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • being female
  • being healthy in musculoskeletal conditions

Exclusion Criteria:

  • being hypermobile

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Screening
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: PNF Group
In this group participant's hamstring muscles stretched with PNF
Other: Proprioceptive neuromuscular facilitation
The reason for choosing the proprioceptive neuromuscular facilitation technique is that it increases the hip flexion angle more than static stretching. Participants first lay down on the stretcher in a supine position. Then, the participant's lower extremity was lifted straight until the physiotherapist felt resistance. After reaching this position, the participant was asked to try to extend his lower extremity straight with half of his strength. After 10 seconds, the participant was given time to relax and after the participant relaxed, the lower extremity was brought to the new range of motion. This process was applied 3 times.
No Intervention: Control Group
No application was made to this group

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Deep Neck Flexor Before and After
Time Frame: Two times in one day (before intervention, immediately after intervention)
Deep neck flexor endurance changes before and after PNF hamstring stretch
Two times in one day (before intervention, immediately after intervention)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Abant Izzet Baysal University

Investigators

  • Study Director: Ömer Osman PALA, phd, Abant Izzet Baysal University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 15, 2022

Primary Completion (Actual)

December 15, 2023

Study Completion (Actual)

July 15, 2024

Study Registration Dates

First Submitted

February 25, 2025

First Submitted That Met QC Criteria

March 20, 2025

First Posted (Actual)

March 27, 2025

Study Record Updates

Last Update Posted (Actual)

March 27, 2025

Last Update Submitted That Met QC Criteria

March 20, 2025

Last Verified

March 1, 2025

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • AIBU-FTR-09

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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