Ultrasound Assessment of Neck Muscles and Balance in Male Patients With Ankylosing Spondylitis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

76 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-01-01

Study Completion Date

2025-10-01

Brief Summary

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The aim of this study is to evaluate the relationship between ultrasonographic measurements of the cervical muscles and balance parameters in patients diagnosed with ankylosing spondylitis (AS)

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Detailed Description

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This study aims to investigate the relationship between cervical multifdus and longus Colli muscles and balance function in male patients diagnosed with Ankylosing Spondylitis (AS) according to the Modified New York Criteria. A total of 38 AS patients under regular follow-up at the Istanbul Physical Medicine and Rehabilitation Training and Research Hospital Rheumatology Clinic, along with 38 age-matched healthy male volunteers, will be included.

Ultrasonographic Imaging will be performed to assess the thickness and of the cervical multifidus and longus colli muscles.The HUR SmartBalance BTG4 (HUR-Labs Oy, Kokkola, Finland) balance platform will be used to measure postural sway, weight distribution, and the limit of stability (LOS) through a computerized system.The Berg Balance Scale (BBS), The Timed Up and Go (TUG) test,The Single-Leg Stance Test will be conducted, measuring the ability to maintain posture while standing on one leg. Disease Activity and Functional Assessment in AS Patients will be conducted by using The Bath Ankylosing Spondylitis Functional Index (BASFI), The Bath Ankylosing Spondylitis Metrology Index (BASMI) Additionally, the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) will be used to measure disease activity and quality of life will be assessed with Ankylosing Spondylitis Quality of Life Questionnaire (ASQoL).Cervical Muscle Strength Measurement will be performed using a hand-held dynamometer, which will objectively assess isometric cervical flexion and extension strength.

Conditions

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Ankylosing Spondylitis Balance Assessment Balance Spondylarthropathies; Spondylitis, Ankylosing

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Ankylosing Spondylitis Group

Male patients aged 18-65 years diagnosed with Ankylosing Spondylitis according to the Modified New York Criteria, under regular follow-up at Istanbul Physical Medicine and Rehabilitation Rheumatology Clinic.

Ultrasonographic assessment of Cervical Multifidus and Longus Colli Muscle Thickness, Postural Balance and Limit of Stability using the balance platform,Cervical Flexion and Extension Strength

Intervention Type DIAGNOSTIC_TEST

Intervention Description

Participants in both groups will undergo ultrasonographic measurement of cervical multifidus and longus colli muscle thickness. Postural sway, Limits of Stability (LOS), and a 6-direction balance test (ABC-6) will be assessed using the HUR SmartBalance BTG4 platform under stable and unstable conditions with eyes open and closed. Functional balance will be evaluated with the Berg Balance Scale (BBS), Timed Up and Go (TUG) Test, and Single-Leg Stance Test. Isometric cervical flexion and extension strength will be measured bilaterally using a hand-held dynamometer. Ankylosing Spondylitis patients will additionally complete BASFI, BASMI, BASDAI, and ASQoL questionnaires.

Control Group

Age-matched healthy male volunteers aged 18-65 years with cognitive ability sufficient to understand test instructions.

Ultrasonographic assessment of Cervical Multifidus and Longus Colli Muscle Thickness, Postural Balance and Limit of Stability using the balance platform,Cervical Flexion and Extension Strength

Intervention Type DIAGNOSTIC_TEST

Intervention Description

Participants in both groups will undergo ultrasonographic measurement of cervical multifidus and longus colli muscle thickness. Postural sway, Limits of Stability (LOS), and a 6-direction balance test (ABC-6) will be assessed using the HUR SmartBalance BTG4 platform under stable and unstable conditions with eyes open and closed. Functional balance will be evaluated with the Berg Balance Scale (BBS), Timed Up and Go (TUG) Test, and Single-Leg Stance Test. Isometric cervical flexion and extension strength will be measured bilaterally using a hand-held dynamometer. Ankylosing Spondylitis patients will additionally complete BASFI, BASMI, BASDAI, and ASQoL questionnaires.

Interventions

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Ultrasonographic assessment of Cervical Multifidus and Longus Colli Muscle Thickness, Postural Balance and Limit of Stability using the balance platform,Cervical Flexion and Extension Strength

Intervention Description

Participants in both groups will undergo ultrasonographic measurement of cervical multifidus and longus colli muscle thickness. Postural sway, Limits of Stability (LOS), and a 6-direction balance test (ABC-6) will be assessed using the HUR SmartBalance BTG4 platform under stable and unstable conditions with eyes open and closed. Functional balance will be evaluated with the Berg Balance Scale (BBS), Timed Up and Go (TUG) Test, and Single-Leg Stance Test. Isometric cervical flexion and extension strength will be measured bilaterally using a hand-held dynamometer. Ankylosing Spondylitis patients will additionally complete BASFI, BASMI, BASDAI, and ASQoL questionnaires.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Age between 18 and 65 years.
* Diagnosed with Ankylosing Spondylitis according to the Modified New York Criteria (for patient group).
* Cognitive ability sufficient to understand and follow test instructions.

Exclusion Criteria

* Orthopedic disorders affecting the spine or lower limbs.
* Cardiovascular disorders.
* Neurological disorders.
* Visual or auditory impairments.
* History of surgery involving the spine or lower limbs.
* Psychiatric disorders.
* Cognitive impairment.
* Clinical signs or symptoms of cervical radiculopathy.

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes