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Not yet recruitingNCT07440030STRETCHUpdated Feb 27, 2026

The Cervical "STRETCH" Study

An interventional study of Guided Cervical Stretching Regimen in Cervical Spine, sponsored by Western University of Health Sciences. Not yet recruiting at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-02-27.

Sponsored by Western University of Health Sciences · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
75
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Study summary

Neck pain and reduced cervical range of motion (ROM) are common musculoskeletal concerns that can significantly impact an individual's quality of life and daily routine. This is especially true for medical students who spend a disproportionate amount of time on their computers or mobile devices, as is required by their long study hours. A simple stretching routine is often recommended by physicians and physical therapists alike, but there is little research examining short-term changes in cervical range of motion (ROM) and pain when a brief, structured daily stretching program is used.

The goal of this single-group study is to test feasibility and determine how well a daily cervical stretching regimen affects cervical ROM and self-reported pain in osteopathic medical students with cervical ROM restrictions. Researchers will measure changes in cervical ROM using a goniometer and changes in pain levels via the Visual Analog Scale (VAS).

Participants will be asked to complete a 7-day period of no stretching, during which natural measurements will be taken, followed by 7 days of completing the 5-minute stretching routine, after which more measurements will be taken. Participants will also be asked to complete a post-study survey and a 1-month follow-up survey to provide feedback on the study and the stretching routine.

02

Conditions studied

  • Cervical Spine

Keywords

  • cervical spine
  • stretching
  • flexion
  • extension
  • cervical restrictions
03

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Must be currently enrolled OMSI or OMSII student at the Western University of Health Sciences (WUHS), College of Osteopathic Medicine of the Pacific (COMP).
  • Demonstrates a range of motion restriction or presents with cervical pain or both. (Normal range of motion in the cervical spine is Flexion and Extension of 60 degrees, Sidebending of 45 degrees, and Rotation of 8090 degrees.)
  • Reports mild to moderate cervical pain (VAS score between 2 and 5 or mild to moderate).
  • Agrees to complete daily cervical stretching exercises as instructed and will adhere to all study protocols.
  • Must be 18 years or older.

Exclusion criteria

Exclusion Criteria:

  • History of severe cervical spine injuries (e.g., fractures, herniated discs requiring surgical intervention, cervical radiculopathy, or myelopathy).
  • Diagnosed inflammatory or degenerative conditions (e.g., rheumatoid arthritis, ankylosing spondylitis).
  • Contraindications to stretching exercises, such as recent surgery or other physical therapy restrictions.
  • Conditions that affect neuromuscular function or ROM measurements, such as multiple sclerosis or muscular dystrophy.
  • VAS score > 7 or pain severe enough to inhibit participation in daily stretching exercises.
  • Below the age of 18
04

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
75 participants (estimated)

Study arms

  • Experimental
    Guided Cervical Stretching Regimen

    Participants will complete a 5-minute guided cervical stretching routine and will be given a video to follow for 7 consecutive days (Days 8-14), following a 7-day baseline observation period without intervention.

    Behavioral: Guided Cervical Stretching Regimen

Interventions

  • BehavioralGuided Cervical Stretching Regimen

    Participants will perform a standardized 5-minute guided cervical stretching routine once daily for 7 days. The instruction will be delivered via an in-person tutorial on the first day, followed by a pre-recorded instructional video that participants will follow each of the following 6 days. The stretching routine will target cervical flexion, extension, lateral flexion, and rotation movements.

05

What researchers measure

Primary outcomes

  1. Changes in Cervical Range of Motion (ROM)

    Changes in cervical range of motion (ROM) will be analyzed using goniometer measurements in degrees. The measurements of cervical ROM will include flexion, extension, rotation, and lateral flexion. A blinded assessor will conduct assessments to minimize measurement bias.

    Time frame: Baseline to Day 7 pre-stretch, to Day 7 post-stretch, to Day 14.

  2. Changes in Visual Analog Scale (VAS)

    Changes in pain levels will be measured using the visual analog scale (VAS). This will allow for assessment of subjective pain intensity. The instrument is scored on a scale of 0 (no pain) to 10 (worst pain), with accompanying representative facial expressions.

    Time frame: Baseline to Day 7 pre-stretch, to Day 7 post-stretch, to Day 14

Secondary outcomes

  1. Changes in the Neck Disability Index (NDI)

    The Neck Disability Index (NDI) will be used to evaluate neck-related disability and quality of life in participants. This survey evaluates the impact of cervical pain and ROM on daily activities. It will be measured on an interval scale of 0 to 50.

    Time frame: Baseline to Day 7 pre-stretch, to Day 7 post-stretch, to Day 14

  2. Participant Feedback on the Feasibility/Effectiveness of the Stretching Routine and How Experience Might Influence Their Approach to Patient Care

    Participant feedback will be collected through structured post-intervention Qualtrics Surveys designed by the research team to evaluate perceptions of the intervention's effectiveness, feasibility, and clinical applicability

    Time frame: Day 14 post-intervention to Day 30 (1-month follow-up)

  3. Adherence Rates to Stretching Regimen

    Self-reported adherence rates will be documented through daily compliance diaries and a one-month follow-up survey.

    Time frame: Baseline to Day 14 to 1 Month Follow-up

06

Study locations

1 site
  • Western University of Health Sciences
    Pomona, California 91767, United States
07

Registry details

Key details

Study ID
NCT07440030
Lead sponsor
Western University of Health Sciences
Responsible party
Krista Lund (Assistant Professor of NMM/OMM and Family Medicine, Western University of Health Sciences) — Principal investigator
First posted
Feb 27, 2026
Start date
Mar 10, 2026 (estimated)
Primary completion
Jun 1, 2026 (estimated)
Completion
Aug 30, 2026 (estimated)
Last update
Feb 27, 2026

Study contacts

Krista Lund, DO
Contact
lundk@westernu.edu
909-469-8384
Eric S Martinez, BS
Contact
ericmartinez@westernu.edu
909-469-5224

Oversight

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

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