NCT07362368

Brief Summary

Lower extremity muscle strength is a fundamental determinant of an individual's ability to maintain functional mobility, preserve balance, and perform activities of daily living independently. One of the methods used for the comprehensive evaluation of these functions is the Five-Repetition Sit-to-Stand (5STS) test, which is considered an effective tool for assessing lower extremity strength, balance, and functional mobility in both healthy individuals and various clinical populations. In this test, participants are required to consecutively stand up from and sit down on a chair five times without using their arms, and the completion time is recorded in seconds to objectively evaluate functional capacity. Due to its simplicity, low cost, and high reliability, the 5STS test is widely used in clinical and research settings. However, functional tests administered in conventional clinical environments may be insufficiently standardized due to factors such as examiner-related variability, measurement errors, and environmental influences. This limitation makes it difficult to detect small performance differences and restricts test repeatability. In recent years, rapidly advancing virtual reality (VR) technology has contributed to overcoming these limitations by offering the potential to digitally standardize measurement processes. VR systems, which recreate real-life scenarios in a three-dimensional and interactive manner, allow for a more comprehensive and objective assessment of motor performance. In addition, by increasing user interaction and reducing observer-related errors, VR enhances clinical validity. One study has reported that the most important advantage of VR in clinical balance assessments is its ability to provide a fully controllable, repeatable, and standardized environment. Similarly, a systematic review found that VR-based exercises resulted in significant improvements in motor skills, balance, and cognitive function, while increasing user engagement and motivation and thereby contributing to more effective rehabilitation outcomes. Current literature indicates that VR technology is increasingly being utilized in physiotherapy and exercise sciences. In one study, the validity and feasibility of a VR adaptation of the Wingate Anaerobic Test were investigated, and it was reported that the VR version produced performance outcomes comparable to the conventional test, while participant satisfaction was significantly higher with the VR-based method. Likewise, another study demonstrated that the VR adaptation of the Six-Minute Pegboard and Ring Test exhibited high levels of validity and reliability. Together, these studies indicate that VR-based functional tests are both feasible and clinically consistent. Despite this, no studies to date have examined the validity and reliability of the Five-Repetition Sit-to-Stand test in an immersive VR environment for assessing lower extremity function. Therefore, the present study aims to determine the validity, reliability, and feasibility of a virtual reality-based Five-Repetition Sit-to-Stand test (5STS-VR) developed on the Meta Quest 3 platform in asymptomatic young adults. Additionally, convergent validity will be evaluated by analyzing the relationships between performance data obtained from the virtual environment and outcomes of the Y-Balance Test and lower extremity muscle strength measurements.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for all trials

Timeline
3mo left

Started Feb 2026

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress53%
Feb 2026Jul 2026

First Submitted

Initial submission to the registry

January 15, 2026

Completed
8 days until next milestone

First Posted

Study publicly available on registry

January 23, 2026

Completed
10 days until next milestone

Study Start

First participant enrolled

February 2, 2026

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2026

Expected
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 30, 2026

Last Updated

January 23, 2026

Status Verified

January 1, 2026

Enrollment Period

5 months

First QC Date

January 15, 2026

Last Update Submit

January 15, 2026

Conditions

Keywords

Functional MobilityFive-Repetition Sit-to-Stand TestVirtual RealityImmersive Virtual RealityValidityReliabilityYoung Adults

Outcome Measures

Primary Outcomes (1)

  • Five-Repetition Sit-to-Stand Test - Virtual Reality (5STS-VR)

    This outcome measure will be used to assess lower extremity functional performance using an immersive virtual reality-based adaptation of the Five-Repetition Sit-to-Stand test. Test completion time will be automatically recorded by the system. Validity will be evaluated by comparison with the conventional Five-Repetition Sit-to-Stand test, and reliability will be assessed using repeated measurements performed one week apart.

    Baseline and 1-week follow-up

Secondary Outcomes (4)

  • Five-Repetition Sit-to-Stand Test - Conventional

    Baseline

  • Y-Balance Test

    Baseline

  • Lower Extremity Muscle Strength

    Baseline

  • Participant Satisfaction

    Baseline

Study Arms (1)

Asymptomatic Young Adults

Asymptomatic young adults aged 18-30 years undergoing conventional and immersive virtual reality-based Five-Repetition Sit-to-Stand assessments to evaluate feasibility, validity, and reliability.

Other: Clinical Assessments

Interventions

Participants will perform the Five-Repetition Sit-to-Stand test using an immersive virtual reality application developed for the Meta Quest 3 platform. The virtual environment digitally replicates the conventional test setup, including chair height, starting position, movement sequence, and completion criteria. Test duration will be automatically recorded by the system. The virtual reality-based assessment is designed to provide a standardized, objective, and reproducible evaluation of lower extremity functional performance and will be repeated to assess test-retest reliability.

Asymptomatic Young Adults

Eligibility Criteria

Age18 Years - 30 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Asymptomatic young adults aged 18-30 years who are able to perform activities of daily living independently and have no neurological, cardiovascular, or musculoskeletal conditions affecting functional performance.

You may qualify if:

  • Aged between 18 and 30 years,
  • Asymptomatic, with no neurological, cardiovascular, or musculoskeletal symptoms,
  • Ability to perform activities of daily living independently,
  • Visual, auditory, and vestibular functions adequate for virtual reality applications,
  • Ability to understand and follow instructions in Turkish,
  • Willingness to participate voluntarily in the study.

You may not qualify if:

  • History of lower extremity injury, surgical procedure, or serious musculoskeletal condition within the past six months,
  • Presence of vestibular disorders, balance impairment, or visual or hearing impairments,
  • Experiencing symptoms of VR sickness, such as dizziness, nausea, or spatial disorientation during virtual reality applications,
  • Diagnosis of neurological, cardiovascular, or metabolic disease,
  • Engaging in intensive exercise or being a professional athlete,
  • Insufficient cognitive ability to understand test instructions,
  • Voluntary withdrawal from the study during the research process.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation

Konya, Selcuklu, 42130, Turkey (Türkiye)

Location

Related Publications (7)

  • Maden C, Gozacan Karabulut D, Bagci B. Validity and reliability of an immersive virtual reality adaptation of the 6-minute pegboard and ring test. Hand Surg Rehabil. 2025 Feb;44(1):101981. doi: 10.1016/j.hansur.2024.101981. Epub 2024 Oct 30.

    PMID: 39486588BACKGROUND
  • Bayram GA, Sahin GE, Yilmaz G, Tayboga UI, Celik AG, Yildirim Y, Saribas PK, Tarakci D. Integration of the wingate anaerobic test into a virtual reality- based evaluation system. BMC Sports Sci Med Rehabil. 2025 Jul 2;17(1):163. doi: 10.1186/s13102-025-01220-4.

    PMID: 40605090BACKGROUND
  • Ali SG, Wang X, Li P, Jung Y, Bi L, Kim J, Chen Y, Feng DD, Magnenat Thalmann N, Wang J, Sheng B. A systematic review: Virtual-reality-based techniques for human exercises and health improvement. Front Public Health. 2023 Mar 23;11:1143947. doi: 10.3389/fpubh.2023.1143947. eCollection 2023.

    PMID: 37033028BACKGROUND
  • Morel M, Bideau B, Lardy J, Kulpa R. Advantages and limitations of virtual reality for balance assessment and rehabilitation. Neurophysiol Clin. 2015 Nov;45(4-5):315-26. doi: 10.1016/j.neucli.2015.09.007. Epub 2015 Oct 31.

    PMID: 26527045BACKGROUND
  • Scott H, Griffin C, Coggins W, Elberson B, Abdeldayem M, Virmani T, Larson-Prior LJ, Petersen E. Virtual Reality in the Neurosciences: Current Practice and Future Directions. Front Surg. 2022 Feb 18;8:807195. doi: 10.3389/fsurg.2021.807195. eCollection 2021.

    PMID: 35252318BACKGROUND
  • Rizzo AS, Koenig ST. Is clinical virtual reality ready for primetime? Neuropsychology. 2017 Nov;31(8):877-899. doi: 10.1037/neu0000405.

    PMID: 29376669BACKGROUND
  • Munoz-Bermejo L, Adsuar JC, Mendoza-Munoz M, Barrios-Fernandez S, Garcia-Gordillo MA, Perez-Gomez J, Carlos-Vivas J. Test-Retest Reliability of Five Times Sit to Stand Test (FTSST) in Adults: A Systematic Review and Meta-Analysis. Biology (Basel). 2021 Jun 9;10(6):510. doi: 10.3390/biology10060510.

    PMID: 34207604BACKGROUND

Study Officials

  • İsmail ÖZSOY, Assoc. Prof. Dr.

    Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye

    STUDY CHAIR
  • Yusuf ÖZBAĞ

    Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye

    STUDY CHAIR

Central Study Contacts

Mehmet K ALTUNOK, PHD(c) in PT

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Lecturer

Study Record Dates

First Submitted

January 15, 2026

First Posted

January 23, 2026

Study Start

February 2, 2026

Primary Completion (Estimated)

June 30, 2026

Study Completion (Estimated)

July 30, 2026

Last Updated

January 23, 2026

Record last verified: 2026-01

Data Sharing

IPD Sharing
Will not share

Locations