Protocol summary

Study aim
The aim of this study was to investigate the effect of Dynamic neuromuscular stabilization (DNS) exercises on proprioception, functional movement screening (FMS), muscle strength, and endurance in individuals with hearing impairments.
Design
A clinical trial with the control group, with parallel groups, randomized
Settings and conduct
A total of twenty-two male students from Bagcheban School, each with a hearing threshold of 70 decibels, will be randomly assigned to either the control or experimental group. Before each exercise, the examiner defines and shows the correct alignment and ideal performance to the participants. All measurements will be conducted in the gymnasium of Bagcheban School.
Participants/Inclusion and exclusion criteria
Male students between the ages of 10 and 15, with a hearing loss greater than 70 decibels and no prior engagement in regular physical activity, will be included in the study. Exclusion criteria include a history of orthopedic conditions, any seizures within the past two years, and the use of medications that may influence physical performance during exercise or testing
Intervention groups
The intervention group will participate in dynamic neuromuscular stabilization training for 4 weeks, with three 50-minute sessions per week, while the control group will receive no intervention.
Main outcome variables
Proprioception, functional movement screening, muscular strength and endurance.

General information

Reason for update
Acronym
IRCT registration information
IRCT registration number: IRCT20180626040244N6
Registration date: 2025-05-06, 1404/02/16
Registration timing: prospective

Last update: 2025-05-06, 1404/02/16
Update count: 0
Registration date
2025-05-06, 1404/02/16
Registrant information
Name
Rahman Sheikhhoseini
Name of organization / entity
Allameh Tabataba'i University
Country
Iran (Islamic Republic of)
Phone
+98 21 4839 4134
Email address
rahmanhoseini@atu.ac.ir
Recruitment status
Recruitment complete
Funding source
Expected recruitment start date
2025-05-31, 1404/03/10
Expected recruitment end date
2025-06-22, 1404/04/01
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Investigation of the Effect of Dynamic neuromuscular stabilization (DNS) Exercises on Proprioception, Functional Movement Screening (FMS), Muscle Strength, and Endurance in Individuals with Hearing Impairment
Public title
The Effect of Dynamic Neuromuscular Stabilization Exercises on Movement and Muscle Function in Individuals with Hearing Impairment
Purpose
Prevention
Inclusion/Exclusion criteria
Inclusion criteria:
Age range: 10 to 15 years old Boys with a hearing level above 70 decibels Without participation in any regular exercise routines
Exclusion criteria:
The history of any orthopedic disease The history of seizure in the past two years. Use of medications affecting training and testing
Age
From 10 years old to 15 years old
Gender
Male
Phase
N/A
Groups that have been masked
No information
Sample size
Target sample size: 22
Randomization (investigator's opinion)
Randomized
Randomization description
The simple randomization method, using sealed envelopes, is employed to assign participants to different groups. Each intervention type is written on a card and placed in a sealed envelope. Participants are listed in the order of their enrollment in the study. After each participant is enrolled, the envelopes are shuffled randomly, and each participant is asked to select one envelope at random. The number of envelopes is determined based on the expected sample size, ensuring that each selected envelope is not re-entered into the randomization process. This method ensures that the number of participants in each experimental group is approximately equal, thereby reducing the risk of discrepancies in group sizes.
Blinding (investigator's opinion)
Not blinded
Blinding description
Placebo
Not used
Assignment
Parallel
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of Allameh Tabataba'i University
Street address
West Azadi sports complex entrance, Hakim highway
City
Tehran
Province
Tehran
Postal code
۱۴۸۵۷۴۳۴۱۱
Approval date
2024-04-30, 1403/02/11
Ethics committee reference number
IR.ATU.REC.1403.019

Health conditions studied

1

Description of health condition studied
Hearing impairment
ICD-10 code
Q16
ICD-10 code description
Congenital malformations of ear causing impairment of hearing

Primary outcomes

1

Description
Proprioception
Timepoint
Before the study starts and after 4 weeks of exercise intervention
Method of measurement
Inclinometer

2

Description
Functional Movement Screening (FMS)
Timepoint
Before the study starts and after 4 weeks of exercise intervention
Method of measurement
Functional movement screening kit

3

Description
Strength
Timepoint
Before the study starts and after 4 weeks of exercise intervention
Method of measurement
Handheld dynamometer

4

Description
Endurance
Timepoint
Before the study starts and after 4 weeks of exercise intervention
Method of measurement
Supine bridge test, side plank, trunk flexors

Secondary outcomes

empty

Intervention groups

1

Description
Intervention Group: Participants in this group will engage in a dynamic neuromuscular stability training program over four weeks, with three sessions each week. The program will include exercises performed in various positions: prone, supine, side-lying, side sitting, quadruped, bear crawl, and squats. These exercises are designed to retrain childhood movement patterns, grounded in the principles of developmental kinesiology. Each session will consist of 10 minutes of warm-up, 35 minutes of core exercises (starting with 10 repetitions, which will increase to 12 repetitions with new movements in subsequent sessions), and 5 minutes of cool-down. Throughout the four-week intervention, participants will complete a total of 12 sessions.
Category
Prevention

2

Description
Control group: This group will not receive any exercises from the assessor and will continue their daily routine activities.
Category
N/A

Recruitment centers

1

Recruitment center
Name of recruitment center
Faculty of physiscal educationa and sport scienecs
Full name of responsible person
Rahman Sheikhhoseini
Street address
West Azadi sports complex entrance, Hakim highway
City
Tehran
Province
Tehran
Postal code
1485743411
Phone
+98 21 4839 4134
Email
rahmanhoseini@atu.ac.ir

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Allameh Tabataba'i University
Full name of responsible person
Dr Gholamali Karegar
Street address
West Azadi sports complex entrance, Hakim highway
City
Tehran
Province
Tehran
Postal code
۱۴۸۵۷۴۳۴۱۱
Phone
+98 21 4473 7636
Email
international@atu.ac.ir
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Allameh Tabataba'i University
Proportion provided by this source
100
Public or private sector
Public
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Academic

Person responsible for general inquiries

Contact
Name of organization / entity
Allameh Tabataba'i University
Full name of responsible person
Rahman Sheikhhoseini
Position
Associatet professor
Latest degree
Ph.D.
Other areas of specialty/work
Physiotherapy
Street address
Faculty of Sport Sciences, AllamehTabataba'i University, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
۱۴۸۹۶۸۴۵۱۱
Phone
+98 21 4839 4134
Fax
Email
rahman.pt82@gmail.com

Person responsible for scientific inquiries

Contact
Name of organization / entity
Allameh Tabataba'i
Full name of responsible person
Rahman Sheikhhoseini
Position
Assistant prof
Latest degree
Ph.D.
Other areas of specialty/work
Physiotherapy
Street address
Physical education faculty, Allameh Tabataba'i University, Dehkade Olympic
City
Tehran
Province
Tehran
Postal code
1485743411
Phone
+98 21 4839 4134
Email
rahmanhoseini@atu.ac.ir

Person responsible for updating data

Contact
Name of organization / entity
Allameh Tabataba'i
Full name of responsible person
Rahman Sheikhhoseini
Position
Assistant prof
Latest degree
Ph.D.
Other areas of specialty/work
Physiotherapy
Street address
Physical education faculty, Allameh Tabataba'i University, Dehkade Olympic
City
Tehran
Province
Tehran
Postal code
1485743411
Phone
+98 21 4839 4134
Email
rahmanhoseini@atu.ac.ir

Sharing plan

Deidentified Individual Participant Data Set (IPD)
Yes - There is a plan to make this available
Study Protocol
Yes - There is a plan to make this available
Statistical Analysis Plan
Yes - There is a plan to make this available
Informed Consent Form
Yes - There is a plan to make this available
Clinical Study Report
Yes - There is a plan to make this available
Analytic Code
Yes - There is a plan to make this available
Data Dictionary
Yes - There is a plan to make this available
Title and more details about the data/document
After the article is published, raw data without identifying the participants will be available by email to the corresponding author of the article.
When the data will become available and for how long
After the article is published, raw data without identifying the participants will be available by email to the corresponding author of the article.
To whom data/document is available
Any author who needs raw data, with a reason
Under which criteria data/document could be used
Any researcher can request data.
From where data/document is obtainable
By email to the responsible author
What processes are involved for a request to access data/document
By email to the responsible author
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