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Effect of Adult Spinal Deformity Surgery on Functional Reach

Functional Reach Test as a Clinical Tool for Assessing Postural Balance Limits Among Adult Spinal Deformity Patients

Who can join

Ages 18 and older · All sexes · Healthy volunteers welcome

Adult Spinal Deformity Patient Inclusion Criteria:

* Adults over the age of 18
* Diagnosed with adult spinal deformity according to the SRS-Schwab Adult Spinal Deformity Classification System
* Indicated for deformity corrective surgery including multilevel spinal fusion of three or more levels
* Lowest instrumented level includes S1 or pelvic fixation
* Able to perform functional activities without the use of any assistance or support
* devices

Adult Spinal Deformity Patient Exclusion Criteria:

* Indicated for spinal fusion due to spinal tumor, trauma, or infection
* ASD patients who do not plan to be available for all follow-up evaluations at our institution
* Pregnancy during any time point within the participation duration

Asymptomatic Control Participant Inclusion Criteria:

* Adults over the age of 18
* No current or prior spine pathology or surgery
* Able to perform the functional activities without the use of any assistance or support devices

Asymptomatic Control Participant Exclusion Criteria:

* Any current or prior spine or lower extremity pathology or surgery that impacts the subject's ability to perform the functional activities
* Pregnancy at the time of the evaluation

About the study

Adult spinal deformity (ASD) is a common spinal condition that often impacts an individual's ability to stand and maintain an upright posture. Poor balance often limits an individual's ability to perform basic activities of daily life (ADL) and can lead to disability. Current considerations of correcting ASD to improve balance focus on the amount of sway that one exhibits during normal standing. However, current tests do not provide insight into the limits of balance during normal ADL.

The goal of this research is to develop a new balance assessment that includes a functional reach test (FRT) to provide numerical data on the limits of one's ability to maintain balance. The study will include both ASD patients and matched healthy adults and will compare postural sway measures between them. Wearable motion tracking sensors and a force plate will be used to monitor body movement and changes in the center of pressure under foot during normal standing and during a FRT. Data from this study will inform spine surgeons of ASD patient's risk of balance loss in daily life and enable further research on the effects of surgical techniques to restore balance among ASD surgery patients.

What is being tested

• Spinal Fusion (procedure)
• No intervention (other)

Sponsor: University of Kansas Medical Center · Participants: 30 · Started: Jun 8, 2024

Contact the study team

• Damon Mar · Phone: 913-574-2310

Official record on ClinicalTrials.gov — NCT06258161

Locations in the U.S.

Conditions

• Scoliosis

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.