Unloading Maneuvers During Spinal Flexion Exposure

NCT ID: NCT07116720

Last Updated: 2025-08-12

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

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-25

Study Completion Date

2025-10-15

Brief Summary

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An experimental study, which will aim to investigate the acute effects of unloading maneuvers during an intermittent spinal flexion protocol on changes in trunk mechanical and neuromuscular properties.

Detailed Description

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Our experimental study will include 30 participants. All participants will complete a 60-min intermittent spinal flexion protocol. During rest periods within the protocol, the participants from the intervention group will perform unloading maneuvers for the lumbar spine. Measurements of trunk mechanical and neuromuscular properties. will be performed prior to and following the 60-min protocol.

Conditions

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Occupational Exposure

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Cross-sectional study with intervention
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Control group

Adult participants completing only the spinal flexion protocol

Group Type NO_INTERVENTION

No interventions assigned to this group

Intervention group

Adult participants performing unloading maneuvers in between the spinal flexion protocol

Group Type EXPERIMENTAL

Unloading maneuvers

Intervention Type OTHER

Participants will perform unloading maneuvers four times with 15 min of spinal flexion protocol in between. The intervention will include self traction on a box (5 s) and sustained standing trunk extension (8 s). Both maneuvers will be repeated twice at each timepoint.

Interventions

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Unloading maneuvers

Participants will perform unloading maneuvers four times with 15 min of spinal flexion protocol in between. The intervention will include self traction on a box (5 s) and sustained standing trunk extension (8 s). Both maneuvers will be repeated twice at each timepoint.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Occupational workers with a predominantly non static job (e.g. combination of sitting and standing)

Exclusion Criteria

* History of chronic low back pain
* Episode of acute low back pain
* Hip injury in the past six months
* Previous spine, pelvis or hip surgery
* Hypermobility, diagnosed with the Beighton score
* High intensity resistance training (\> 75 % of 1 repetition maximum) more than two times a week
* Sporting or recreational activities, that include repetitive spinal flexion or maintenance of a flexed posture (for example cycling or rowing).
Minimum Eligible Age

30 Years

Maximum Eligible Age

55 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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University of Primorska

OTHER

Sponsor Role lead

Responsible Party

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Matej Voglar

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Faculty of Health Sciences, University of Primorska

Izola, Primorska, Slovenia

Site Status RECRUITING

Countries

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Slovenia

Central Contacts

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Matej Voglar, PhD

Role: CONTACT

0038656635803

Rok Vatovec, PhD

Role: CONTACT

0038656635802

Facility Contacts

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Matej Voglar, PhD

Role: primary

0038656635803

Other Identifiers

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SWE_Flexion3_Intervention

Identifier Type: -

Identifier Source: org_study_id

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