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Not yet recruitingNCT07922369Updated Nov 9, 2026

A Comparison of the Effects of Exercise Methods for Adolescent Hyperkyphosis on the Sensorimotor System

An interventional study of Kyphosis-Specific Schroth Exercise Program and Conventional Exercise Program in Kyphosis Postural Thoracic and Kyphosis, sponsored by Istanbul University - Cerrahpasa. Not yet recruiting at 1 site in Turkey (Türkiye). Open to participants aged 10 Years to 17 Years. Per ClinicalTrials.gov, last updated 2026-11-09.

Sponsored by Istanbul University - Cerrahpasa · Not applicable, Interventional, and Treatment

Updated Nov 9, 2026Eligibility revisedNewly registeredGo to Updates ↓
Phase
Not applicable
Study type
Interventional
Enrollment
58
Allocation
Randomized
Ages
10 Years to 17 Years
Sex
All
01

Study summary

This study will compare two home exercise programs for adolescents aged 10-17 years with postural hyperkyphosis: kyphosis-specific Schroth exercises and traditional stretching and strengthening exercises. It will examine whether one program is more effective at improving the ability to sense and reproduce a corrected upper-back posture. The researchers expect the Schroth program to lead to greater improvement.

Read the detailed description

This study will compare two home-based exercise programs for adolescents aged 10-17 years with postural hyperkyphosis. Participants will follow either kyphosis-specific Schroth exercises or conventional stretching, strengthening, and stabilization exercises for eight weeks, approximately 45 minutes per session, three days a week.

The study will assess whether the programs affect participants' ability to recognize and reproduce a corrected thoracic posture. Other outcomes will include balance, spinal curvature and posture, muscle strength and endurance, flexibility, spinal pain, and participants' perceptions of their condition and overall change. Exercise participation, how accurately the exercises are performed, and any adverse events will also be recorded.

02

Conditions studied

  • Kyphosis Postural Thoracic
  • Kyphosis

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Keywords

  • Kyphosis
  • Adolescent
  • Exercise Therapy
  • Proprioception
  • Postural Balance
  • Sensorimotor Performance
  • Postural Hyperkyphosis
  • Schroth Exercises
03

In context

Kyphosis

132 studies on the registry are indexed under Kyphosis; 31 are open to participants now.

This study's planned enrollment of 58 is above the median of 44 across 82 interventional studies indexed under Kyphosis.

Browse Kyphosis studies →

Lead sponsor

Istanbul University - Cerrahpasa is the lead sponsor of 699 studies on the registry; 213 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

The criteria were revised on the registry on Nov 9, 2026. See what changed

Ages eligible
10 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Aged 10 through 17 years.
  • Thoracic kyphosis Cobb angle greater than 40° and less than 70°, measured from T4 to T12 on a lateral radiograph.
  • Flexible thoracic kyphosis that decreases with active correction on clinical examination.
  • Able to understand the exercise instructions and perform the home program.
  • Written from a parent or legal guardian and written assent from the adolescent.

Exclusion criteria

Exclusion Criteria:

  • Kyphosis other than postural kyphosis, including Scheuermann disease (at least 5° of wedging in three or more consecutive vertebrae), congenital kyphosis, or other structural or rigid kyphosis.
  • Structural scoliosis with a Cobb angle greater than 10°.
  • Previous spinal surgery or major trauma affecting the spine.
  • Diagnosed neurological condition or neurological symptoms that may affect postural control.
  • Diagnosed vestibular pathology, history of vestibular problems, or current vertigo, dizziness, or balance complaints.
  • Visual impairment that cannot be corrected with glasses or contact lenses.
  • Acute musculoskeletal injury or pain that would prevent assessment or exercise.
  • Participation in physiotherapy or an exercise program for kyphosis within the previous 3 months.
  • Previous Schroth exercise training.
  • Current brace treatment.
  • Cognitive impairment that would prevent adherence to the exercise program.
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
58 participants (estimated)

Study arms

  • Experimental
    Schroth exercise group

    This group will perform a kyphosis-specific Schroth exercise program focused on active thoracic posture correction, axial elongation, and corrective breathing. Participants will practice the exercises at home, using a mirror for visual feedback and tactile cues to monitor their posture.

    Behavioral: Kyphosis-Specific Schroth Exercise Program

  • Active comparator
    Conventional exercise group

    This group will perform a conventional exercise program including stretching, scapular retraction, back extensor and trapezius strengthening, and trunk stabilization. The program will not include Schroth-specific active posture correction, corrective breathing, or mirror-based posture feedback.

    Behavioral: Conventional Exercise Program

Interventions

  • BehavioralKyphosis-Specific Schroth Exercise Program

    Participants will perform the program at home 3 days per week for 8 weeks, with each session lasting approximately 45 minutes, including a 5-minute warm-up and a 3-minute cool-down. Three face-to-face training sessions will be provided during week 1, followed by face-to-face follow-up visits at the beginning of weeks 3 and 5. The program will have two stages. Participants who meet the prespecified progression criteria will advance to stage 2 at the week 5 follow-up.

  • BehavioralConventional Exercise Program

    Participants will perform the program at home 3 days per week for 8 weeks, with each session lasting approximately 45 minutes, including a 5-minute warm-up and a 3-minute cool-down. Three face-to-face training sessions will be provided during week 1, followed by face-to-face follow-up visits at the beginning of weeks 3 and 5. The program will have two stages. Participants who meet the prespecified progression criteria will advance to stage 2 at the week 5 follow-up.

06

What researchers measure

Primary outcomes

  1. Thoracic Extension Absolute Repositioning Error

    Thoracic position sense will be assessed with dual digital inclinometers placed at T1 and T12. With eyes closed, participants will reproduce a 15° thoracic extension target. The primary measure is the mean absolute difference between the target and reproduced angles across five trials, in degrees; lower values indicate smaller error. Flexion (30°) and right and left lateral flexion (20°) will also be measured as secondary directional outcomes.

    Time frame: At baseline and at the end of Week 8

Secondary outcomes

  1. Balance

    Balance will be assessed with the AI Balance system using the modified Clinical Test of Sensory Interaction on Balance (four eyes-open/eyes-closed conditions on firm and foam surfaces; three 30-second trials per condition) and the Limits of Stability test (weight shifting toward eight targets). Higher sway index values indicate greater sway; higher Limits of Stability scores indicate better performance.

    Time frame: At baseline and at the end of Week 8

  2. Thoracic Curvature

    Thoracic curvature will be measured with a Flexicurve ruler from C7 to T12. The kyphosis index will be calculated as the kyphosis apex depth divided by the curve length, multiplied by 100. The values above 13 indicate hyperkyphosis.

    Time frame: At baseline and at the end of Week 8

  3. Sagittal Posture

    Sagittal posture will be assessed from a lateral photograph using the PostureScreen Mobile application. Landmark displacement will be recorded in centimeters under standardized camera, posture, clothing, and hair conditions.

    Time frame: At baseline and at the end of Week 8

  4. Muscle Strength

    Isometric strength of the trunk flexors and extensors, upper, middle, and lower trapezius, and serratus anterior will be measured using a hand-held dynamometer and the make-test method. Three 5-second contractions will be performed for each muscle group. Mean force will be normalized to body weight and reported in N/kg.

    Time frame: At baseline and at the end of Week 8

  5. Flexibility

    Hamstring and lower-back flexibility will be measured with the sit-and-reach test; the maximum distance across three trials will be recorded in centimeters. Pectoralis minor muscle length will be measured bilaterally with a tape measure; the mean of three measurements will be analyzed.

    Time frame: At baseline and at the end of Week 8

  6. Muscle Endurance

    Scapular, trunk flexor, and trunk extensor endurance will be assessed using the isometric scapular endurance, McGill trunk flexor endurance, and Biering-Sørensen tests, respectively. The time each position is maintained without compensation will be recorded in seconds. Each test will be performed once, with at least 5 minutes of rest between tests.

    Time frame: At baseline and at the end of Week 8

  7. Spinal Pain

    Resting, activity-related, and nocturnal spinal pain during the previous week will be rated on a 0-10 cm Visual Analog Scale, where 0 indicates no pain and 10 indicates the worst possible pain.

    Time frame: At baseline and at the end of Week 8

  8. Deformity Perception

    Deformity perception will be assessed with the Turkish version of the Kyphosis-Specific Spinal Appearance Questionnaire. The 10-item questionnaire is scored from 1 to 5; the mean item score will be analyzed. Higher scores indicate a more negative perception of spinal appearance.

    Time frame: At baseline and at the end of Week 8

  9. Perceived Global Change

    Overall perceived change will be assessed using the 7-point Global Rating of Change scale, from -3 (much worse) to +3 (much better), with 0 indicating no change. Scores of +2 or +3 will indicate a clinically meaningful perceived improvement.

    Time frame: At the end of Week 8

07

Study locations

1 site
  • Istanbul University-Cerrahpaşa, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation
    Istanbul, Bakırköy, Turkey (Türkiye)
    • Cisemnur Gulnaz, BSc, PT · Contactcisemnurgulnaz@ogr.iuc.edu.tr · +905078985406
    • Ayşe Zengin Alpözgen, Assoc. Prof. · Principal investigator
    • Kübra Kardeş, Asst Prof. · Sub investigator
    • Çisemnur Gülnaz, BSc · Sub investigator
08

References and documents

Publications

  • Cakir B, Ozdemi̇r Gorgu S. Associations between postural kyphosis and tactile sensation, proprioception, and body image in young individuals: an analytical cross-sectional study. BMC Musculoskelet Disord. 2026 Apr 9;27(1):425. doi: 10.1186/s12891-026-09800-2. PubMed 41957780 ↗
  • Elpeze G, Usgu G. The Effect of a Comprehensive Corrective Exercise Program on Kyphosis Angle and Balance in Kyphotic Adolescents. Healthcare (Basel). 2022 Dec 8;10(12):2478. doi: 10.3390/healthcare10122478. PubMed 36554002 ↗
  • Ozdemir Gorgu S, Algun ZC. A randomized controlled study of the effect of functional exercises on postural kyphosis: Schroth-based three-dimensional exercises versus postural corrective exercises. Disabil Rehabil. 2023 Jun;45(12):1992-2002. doi: 10.1080/09638288.2022.2083244. Epub 2022 Jun 12. PubMed 35694970 ↗
  • Akyurek E, Zengin Alpozgen A, Akgul T. The preliminary results of physiotherapy scoliosis-specific exercises on spine joint position sense in adolescent idiopathic scoliosis: A randomized controlled trial. Prosthet Orthot Int. 2022 Oct 1;46(5):510-517. doi: 10.1097/PXR.0000000000000136. Epub 2022 Jun 7. PubMed 36215059 ↗

Individual participant data

Plan to share: No

09

Timeline

2 registry updates since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Nov 2026; primary completion for May 2027, 6 months later.

Of 56 non-industry interventional studies with no phase under Kyphosis, half reached primary completion within 9 months of starting (the median), counting those still running; a quarter within 4 and three quarters within 30. This study's planned 6 months is below that.

Counting every sponsor, half of 58 studies reached it within 9 months; a quarter within 4 and three quarters within 30.

How these figures are worked out, and which studies are left out of them.

Registered
Nov 2, 2026
First posted
Nov 6, 2026
StartEst.
Nov 15, 2026
Primary completionEst.
May 15, 2027
CompletionEst.
Jun 15, 2027
Last update
Nov 9, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
Eligibility
2 inclusion criteria edited, 2 added; 4 exclusion criteria edited, 6 added
What changed in the criteria
Inclusion criteria
  • AddedAged 10 through 17 years.
  • EditedAged 10 through 17 years. Thoracic kyphosis Cobb angle greater than 40° and less than 70°, measured from T4 to T12 on a lateral radiograph.
  • AddedAble to understand the exercise instructions and perform the home program.
  • EditedAble to understand the exercise instructions and perform the home program. Written informed consent from a parent or legal guardian and written assent from the adolescent.
Exclusion criteria
  • AddedStructural scoliosis with a Cobb angle greater than 10°.
  • AddedPrevious spinal surgery or major trauma affecting the spine.
  • EditedStructural scoliosis with a Cobb angle greater than 10°. Previous spinal surgery or major trauma affecting the spine. A diagnosedDiagnosed neurological condition or neurological symptoms that may affect postural control.
  • EditedDiagnosed vestibular pathology or a, history of vestibular problems, or current vertigo, dizziness, or balance complaints.
  • AddedVisual impairment that cannot be corrected with glasses or contact lenses.
  • AddedAcute musculoskeletal injury or pain that would prevent assessment or exercise.
  • EditedVisual impairment that cannot be corrected with glasses or contact lenses. Acute musculoskeletal injury or pain that would prevent assessment or exercise. Participation in physiotherapy or an exercise program for kyphosis within the previous 3 months.
  • AddedPrevious Schroth exercise training.
  • AddedCurrent brace treatment.
  • EditedPrevious Schroth exercise training. Current brace treatment. Cognitive impairment that would prevent adherence to the exercise program.
Nov 9, 2026
Registered
First appeared on the registry
Nov 6, 2026
Show all 2 updates
  1. Nov 9, 2026
    Eligibility 2 inclusion criteria edited, 2 added; 4 exclusion criteria edited, 6 added
    What changed in the criteria
    Inclusion criteria
    • AddedAged 10 through 17 years.
    • EditedAged 10 through 17 years. Thoracic kyphosis Cobb angle greater than 40° and less than 70°, measured from T4 to T12 on a lateral radiograph.
    • AddedAble to understand the exercise instructions and perform the home program.
    • EditedAble to understand the exercise instructions and perform the home program. Written informed consent from a parent or legal guardian and written assent from the adolescent.
    Exclusion criteria
    • AddedStructural scoliosis with a Cobb angle greater than 10°.
    • AddedPrevious spinal surgery or major trauma affecting the spine.
    • EditedStructural scoliosis with a Cobb angle greater than 10°. Previous spinal surgery or major trauma affecting the spine. A diagnosedDiagnosed neurological condition or neurological symptoms that may affect postural control.
    • EditedDiagnosed vestibular pathology or a, history of vestibular problems, or current vertigo, dizziness, or balance complaints.
    • AddedVisual impairment that cannot be corrected with glasses or contact lenses.
    • AddedAcute musculoskeletal injury or pain that would prevent assessment or exercise.
    • EditedVisual impairment that cannot be corrected with glasses or contact lenses. Acute musculoskeletal injury or pain that would prevent assessment or exercise. Participation in physiotherapy or an exercise program for kyphosis within the previous 3 months.
    • AddedPrevious Schroth exercise training.
    • AddedCurrent brace treatment.
    • EditedPrevious Schroth exercise training. Current brace treatment. Cognitive impairment that would prevent adherence to the exercise program.
  2. Nov 6, 2026
    First appeared on the registry

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07922369
Responsible party
Ayse Zengin Alpozgen (Associate Professor, Istanbul University - Cerrahpasa) — Principal investigator
First posted
Nov 6, 2026
Start date
Nov 15, 2026 (estimated)
Primary completion
May 15, 2027 (estimated)
Completion
Jun 15, 2027 (estimated)
Last update
Nov 9, 2026

Study contacts

Cisemnur Gulnaz, Physiotherapist
Contact
cisemnurgulnaz@ogr.iuc.edu.tr
+905078985406

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Oct 2026. You cannot join it, but the record below documents what was studied.

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