Neuromuscular Effects of Spinal Manipulation in Individuals Following Anterior Cruciate Ligament Reconstruction

NCT ID: NCT07032623

Last Updated: 2025-06-27

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

COMPLETED

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-03-03

Study Completion Date

2025-06-03

Brief Summary

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This single-blind, randomized controlled trial aims to investigate the effects of spinal manipulation on neuromuscular control in individuals with anterior cruciate ligament reconstruction during a single-leg vertical drop landing task. The intervention group will receive spinal manipulation, while the control group will not receive any therapeutic intervention. The main question it aims to answer is:

• Can spinal manipulation induce changes in muscle activation, co-contraction magnitude, and biomechanical parameters during landing?

Detailed Description

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Conditions

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Anterior Cruciate Ligament Reconstruction

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Study Groups

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Control

Group Type NO_INTERVENTION

No interventions assigned to this group

Spinal Manipulation

Group Type EXPERIMENTAL

Spinal Manipulation

Intervention Type PROCEDURE

The spinal manipulation will target the sacroiliac joint using the global pelvic manipulation technique. Participants will be positioned in lateral decubitus with the ACL-reconstructed limb placed uppermost. The therapist will apply progressive rotation and flexion at the hip and knee joints to increase tissue tension. To establish contact, the therapist's knee will be placed against the participant's flexed knee. A high-velocity, low-amplitude thrust will then be delivered to optimize joint motion, with cavitation being monitored throughout the procedure.

Interventions

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Spinal Manipulation

The spinal manipulation will target the sacroiliac joint using the global pelvic manipulation technique. Participants will be positioned in lateral decubitus with the ACL-reconstructed limb placed uppermost. The therapist will apply progressive rotation and flexion at the hip and knee joints to increase tissue tension. To establish contact, the therapist's knee will be placed against the participant's flexed knee. A high-velocity, low-amplitude thrust will then be delivered to optimize joint motion, with cavitation being monitored throughout the procedure.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Individuals who have undergone anterior cruciate ligament reconstruction
* Successful return to recreational sports participation

Exclusion Criteria

* Peripheral or central neurological disorders
* Systemic or degenerative diseases
* History of spinal surgery
* Contraindications to spinal manipulation
* Low back or sacroiliac pain within the previous month
* Prior exposure to manipulative therapy
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Universidad Rey Juan Carlos

OTHER

Sponsor Role lead

Responsible Party

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Ricardo Paredes

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Center for Rehabilitation Research (CIR), School of Health of Polytechnic of Porto

Porto, Porto District, Portugal

Site Status

Countries

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Portugal

Other Identifiers

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070520243082024

Identifier Type: -

Identifier Source: org_study_id

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