Protocol summary

Study aim
Comparison of the effects of modified exercise protocols based on self-natural posture exercises (SNPE) and dynamic neuromuscular stabilization (DNS) on posture, profile fitness mapping back questionnaire and lumbar kinematic in female employees with lower crossed syndrome.
Design
42 female employees with LCS who are divided into three groups using the cluster method. two groups are the experimental and the other group is the control. Using GPower software and considering an effect size of 0.45, alpha of 0.05, and power of 0.80, 13 people were calculated for each group, and with an added margin of safety, 14 people in each group, totaling 42 people, will be considered as the research sample.
Settings and conduct
After identifying employees with lower crossed syndrome and having the consent form by volunteers, they attended the Vaght Zendegi sport club at specified hours and performed exercise sessions under the supervision of the respective trainer.
Participants/Inclusion and exclusion criteria
Entry Criteria: Being female, Lower cross syndrome, Having a history of mild to moderate low back pain, Absence of serious musculoskeletal diseases, Having an office job and sitting at a desk
Intervention groups
After dividing the participants into 3 equal groups using the cluster method, the first experimental group is given DNS exercises according to a specific protocol, 3 days a week for 8 weeks. The second group is also given modified SNPE according to a specified protocol, 3 days a week for 8 weeks, and for the control group, all ethical considerations will be taken into account after the completion of the study.
Main outcome variables
the measurement of lumbar lordosis (measured by a flexible ruler) and pelvic tilt (tilt meter) and the Matthias test; the PFM questionnaire; lumbar region kinematics from the sagittal view (squat movement) are all examined as pre-test and post-test.

General information

Reason for update
Acronym
IRCT registration information
IRCT registration number: IRCT20260607069685N1
Registration date: 2026-06-18, 1405/03/28
Registration timing: prospective

Last update: 2026-06-18, 1405/03/28
Update count: 0
Registration date
2026-06-18, 1405/03/28
Registrant information
Name
Samin Aliakbari
Name of organization / entity
Country
Iran (Islamic Republic of)
Phone
+98 21 2624 7162
Email address
s.aliakbari@iau.ir
Recruitment status
recruiting
Funding source
Expected recruitment start date
2026-07-03, 1405/04/12
Expected recruitment end date
2026-08-28, 1405/06/06
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Comparison of the effects of modified exercise protocols based on self-natural posture exercises (SNPE) and dynamic neuromuscular stabilization (DNS) on posture, profile fitness mapping back questionnaire and lumbar kinematic in female employees with lower crossed syndrome.
Public title
Comparison of the effects of two exersice protocols on posture, profile fitness mapping back questionnaire and lumbar kinematic.
Purpose
Supportive
Inclusion/Exclusion criteria
Inclusion criteria:
being a woman lower crossed syndrome Having a history of mild to moderate low back pain Having an office job and sedentary work
Exclusion criteria:
serious musculoskeletal diseases
Age
No age limit
Gender
Female
Phase
N/A
Groups that have been masked
No information
Sample size
Target sample size: 42
Randomization (investigator's opinion)
Randomized
Randomization description
First, participants will be selected using a cluster sampling method. Then, 42 eligible female employees will be randomly allocated in a 1:1:1 ratio to the SNPE, DNS, and control groups using a random number table. The randomization sequence will be generated by a researcher not involved in participant assessment, and group allocation will be concealed using sealed, numbered envelopes.
Blinding (investigator's opinion)
Not blinded
Blinding description
Placebo
Not used
Assignment
Other
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
کمیته اخلاق پژوهشگاه تربیت بدنی
Street address
No 3, Fifth alley, Miremad Ave, Motahari st.
City
Tehran
Province
Tehran
Postal code
1587958711
Approval date
2026-02-17, 1404/11/28
Ethics committee reference number
IR.SSRC.REC.1404.140

Health conditions studied

1

Description of health condition studied
lower crossed syndrome
ICD-10 code
ICD-10 code description

Primary outcomes

1

Description
lumbar pasture
Timepoint
Before intervention and immediately after the 8-week intervention
Method of measurement
Lumbar lordosis angle using a flexible ruler and pelvic tilt using a tilt meter and the Matias test

2

Description
Profile Fitness Mapping Back Questionnaire Score
Timepoint
Before intervention and immediately after the 8-week intervention
Method of measurement
Functional readiness will be assessed using the Profile Fitness Mapping BackQuestionnaire.

3

Description
Lumbar kinematic from the sagittal view
Timepoint
Before intervention and immediately after the 8-week intervention
Method of measurement
squat test

Secondary outcomes

empty

Intervention groups

1

Description
Intervention group: Participants will perform a modified SNPE exercise program for 8 weeks, 3sessions per week, 60 minutes per session. Exercises include corrective,stretching, strengthening and syndrome-specific movements.
Category
Rehabilitation

2

Description
Intervention group:Participants will perform a DNS exercise program for 8 weeks, 3 sessions perweek, 60 minutes per session. The program includes developmental movementpatterns, core activation and neuromuscular stabilization exercises.
Category
Rehabilitation

3

Description
Control group:Participants in the control group will continue their routine daily activities and willnot receive any specific exercise intervention
Category
N/A

Recruitment centers

1

Recruitment center
Name of recruitment center
Islamic Azad University, Sciences and Research
Full name of responsible person
Educational Assistant
Street address
Islamic Azad University, Science and Research Branch,Shohadayeh Hesarak Boulevard, Daneshgah Square
City
Tehran
Province
Tehran
Postal code
۱۴۷۷۸۹۳۸۵۵
Phone
+98 21 4484 5205
Email
mhdrsl@srbiau.ac.ir

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Islamic Azad University
Full name of responsible person
Educational Assistant
Street address
Islamic Azad University, Science and Research Branch,Shohadayeh Hesarak Boulevard, Daneshgah Square
City
Tehran
Province
Tehran
Postal code
۱۴۷۷۸۹۳۸۵۵
Phone
+98 21 4484 5205
Email
mhdrsl@srbiau.ac.ir
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
No
Title of funding source
Private - Samin Aliakbari (student)
Proportion provided by this source
100
Public or private sector
Private
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Persons

Person responsible for general inquiries

Contact
Name of organization / entity
Islamic Azad University
Full name of responsible person
Samin Aliakbari
Position
student
Latest degree
Master
Other areas of specialty/work
Sport Medicine
Street address
No 3, Asgari alley, Jahanshahi Ave, Bahonar square
City
Tehran
Province
Tehran
Postal code
1978914723
Phone
+98 21 2624 7162
Email
samin11379aliakbari@yahoo.com

Person responsible for scientific inquiries

Contact
Name of organization / entity
sport sciences Research Institute
Full name of responsible person
mohammadreza seyedi
Position
Assistant Professor
Latest degree
Ph.D.
Other areas of specialty/work
Sport Medicine
Street address
No 3, Fifth alley, Miremad Ave, Motahari st.
City
Tehran
Province
Tehran
Postal code
1587958711
Phone
+98 21 8874 7884
Email
mrezaseyyedi@gmail.com

Person responsible for updating data

Contact
Name of organization / entity
Islamic Azad University
Full name of responsible person
Samin Aliakbari
Position
student
Latest degree
Master
Other areas of specialty/work
Sport Medicine
Street address
No 3, Asgari alley, Jahanshahi Ave, Bahonar square
City
Tehran
Province
Tehran
Postal code
1978914723
Phone
+98 21 2624 7162
Email
samin11379aliakbari@yahoo.com

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
Undecided - It is not yet known if there will be a plan to make this available
Clinical Study Report
Yes - There is a plan to make this available
Analytic Code
Undecided - It is not yet known if there will be a plan to make this available
Data Dictionary
Undecided - It is not yet known if there will be a plan to make this available
Title and more details about the data/document
Processed Data Related to the Effects of SNPE and DNS Exercises on Posture, Functional Readiness and Lumbar Kinematics
When the data will become available and for how long
After publication of study results
To whom data/document is available
Qualified Researchers
Under which criteria data/document could be used
Data will be available for scientific and research purposes only while maintaining participant confidentiality.
From where data/document is obtainable
Formal request via email to the principal investigator.
What processes are involved for a request to access data/document
Interested researchers should submit a formal request by email to the principal investigator. The request will be reviewed by the research team. If approved and compliant with ethical requirements, de-identified data/documents will be shared.
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