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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05619094
Other study ID # Cukurova125
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 1, 2022
Est. completion date October 1, 2023

Study information

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

Clinical Trial Summary

It is aimed to investigate the effect of corrective exercise program on alignment, muscle activation and biomechanical properties of muscles in medical students with forward head posture.


Description:

Forward head posture (FHP) is a common postural abnormality that can be seen in all age groups. It is characterized by the head position being forward relative to the neck in the sagittal plane. The anterior displacement of the head is mainly assessed through examination of the craniovertebral angle (CVA) and a CVA of ˂50° is described as a FHP. Therapeutic exercises have shown to be effective in FHP and related symptoms in many studies. One of the exercise programs applied is the corrective exercise program. Within the scope of this program, deep cervical flexor muscles and shoulder retractors are strengthened, cervical extensors and pectoral muscles are stretched. This exercise protocol has been reported to provide relief in neck pain, improvement in CVA and shoulder angle. However, the number of studies examining the effect of corrective exercise program for the affected muscle groups in FHP on muscle activation parameters is limited, and there is no study examining the effect on the biomechanical properties of the muscles. In this study, it is aimed to investigate the effect of corrective exercise program on alignment, muscle activation and biomechanical properties of muscles in medical students with forward head posture.


Recruitment information / eligibility

Status Completed
Enrollment 36
Est. completion date October 1, 2023
Est. primary completion date June 30, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 20 Years to 30 Years
Eligibility Inclusion Criteria: - Medical students with a Craniovertebral angle ? 50° Exclusion Criteria: - History of chronic pain in cervical region - Presence of spinal deformity and malalignment - Disease, fracture or surgery affecting the spine-shoulder-pelvic region - Presence of malignancy - BMI outside the normal range - Presence of medical condition that prevents participation in physical exercise program - Presence of neuromuscular disease - Involvement in regular and professional sports activities

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Corrective exercise program
Strengthening exercises for deep cervical flexor muscles and shoulder retractors. Stretching exercises for cervical extensors and pectoral muscles.

Locations

Country Name City State
Turkey Cukurova University Adana

Sponsors (1)

Lead Sponsor Collaborator
Cukurova University

Country where clinical trial is conducted

Turkey, 

Outcome

Type Measure Description Time frame Safety issue
Primary Craniovertebral angle The angle between the line connecting the seventh cervical vertebra and the tragus of right ear, and the horizontal line.
running in the sagittal place through the C7 process
Day 0
Primary Craniovertebral angle The angle between the line connecting the seventh cervical vertebra and the tragus of right ear, and the horizontal line.
running in the sagittal place through the C7 process
Week 8
Secondary Surface electromyography (EMG) amplitude (RMS) The activity levels of trapezius, sternocleidomastoid and pectoralis muscles will be measured with a wireless EMG system (Delsys, Inc, Boston, MA). The electrodes will be positioned on the belly of the muscle. The signals will be amplified and band-pass filtered (20-450 Hz) before being record digitally at 2000 samples per second, and then the root mean square (RMS) will be calculated. To normalize individual muscle contraction levels, we will use maneuvers of voluntary contractions. Day 0
Secondary Surface electromyography (EMG) amplitude (RMS) The activity levels of trapezius, sternocleidomastoid and pectoralis muscles will be measured with a wireless EMG system (Delsys, Inc, Boston, MA). The electrodes will be positioned on the belly of the muscle. The signals will be amplified and band-pass filtered (20-450 Hz) before being record digitally at 2000 samples per second, and then the root mean square (RMS) will be calculated. To normalize individual muscle contraction levels, we will use maneuvers of voluntary contractions. Week 8
Secondary Myotonometer measures (Muscle tone) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 Newton (N) force and frequency of 1Hertz (Hz) applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Oscillation Frequency [Hz]: Characterizes the tone (intrinsic tension) of a muscle in its passive or resting state.
Day 0
Secondary Myotonometer measures (Muscle stiffness) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 N force and frequency of 1Hz applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Dynamic Stiffness [N/m]: Characterises the resistance to a contraction or to an external force that deforms its initial shape.
Day 0
Secondary Myotonometer measures (Muscle elasticity) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 N force and frequency of 1Hz applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Logarithmic Decrement: Characterises elasticity.
Day 0
Secondary Myotonometer measures (Muscle tone) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 N force and frequency of 1Hz applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Ossilation Frequency [Hz]: Characterises the tone (intrinsic tension) of a muscle in its passive or resting state.
Week 8
Secondary Myotonometer measures (Muscle stiffness) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 N force and frequency of 1Hz applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Dynamic Stiffness [N/m]: Characterises the resistance to a contraction or to an external force that deforms its initial shape.
Week 8
Secondary Myotonometer measures (Muscle elasticity) The state of tension and biomechanical properties will be measured with a hand-held device (MyotonPro®, Myoton AS, Tallinn, Estonia). MyotonPro® displays the muscle mechanical properties by analyzing the oscillations of the myofascial tissue in response to the 10 short (15 ms) impulses, at 0.56 N and frequency of 1Hz applied by the probe of the device.
The superficial muscles (trapezius, sternocleidomastoid and pectoralis muscle) will be evaluated.
The device measures (computes simultaneously) the following parameters: Oscillation frequency (Hz), dynamic stiffness (N/m) and logarithmic decrement.
Logarithmic Decrement: Characterises elasticity.
Week 8
See also
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