Effects of Additional Axial Load on Cervical Motor Control

NCT ID: NCT04434235

Last Updated: 2021-01-19

Basic Information

• Recruitment Status: COMPLETED
• Total Enrollment: 100 participants
• Study Classification: OBSERVATIONAL
• Study Start Date: 2019-10-01
• Study Completion Date: 2020-08-01

Brief Summary

he objective of this study is to examine the influence of additional axial load abd body position on cervical motor control in young healthy adults.

Detailed Description

Motor control of the cervical spine is impotent for responsible for maintaining balance during daily living activities and to withstand external loads. Stabilization-aspects of the cervical spine is very complex, passive (ligaments, joint capsule and the skin and active (muscles), and neurological subsystems are involved. Mostly proprioceptive testing and exercises like head and neck position sense testing and re-training have been an integral part of rehabilitation. Another method to evaluate spinal motor control is the assessment of spinal stiffness. The main objective of this study is to explore the effects of additional axial loading on motion control in healthy individuals. Does the motor control of the cervical spine in healthy subjects change with additional axial load or body position? A better understanding of spinal stiffness and neck position sense leads to novel insights into spinal cervical stabilization mechanisms.

Conditions

Healthy

Study Design

• Observational Model Type: COHORT
• Study Time Perspective: CROSS_SECTIONAL

Study Groups

Dynamic cervical stability

The participant is asked to move the head in 6 directions in a sitting position and 30° leaning backward sitting position; lateral flexion (left / right), flexion, extension, and rotation (left / right). Results are to be taken for each direction and random at each axial load-level (0 kg, 1kg, 2 kg, and 3 kg). In total 24 measurements.

The duration of all measurement will be 60 minutes.

axial load

Intervention Type: OTHER

With a helmet with Velcro fastener we will add additional weight to produce axial load on the cervical spine

Cervical Stiffness

The participant is asked to move the head in 4 directions; flexion, extension, and rotation (left / right). Joint-Position Error measurements will be executed in neutral sitting position. Additionally, stiffness will be measured in neutral sitting position and neutral sitting position with 45° cervical flexion. All measurements will be performed with 0 kg and 3 kg axal loading. In total 18 measurements.The duration of all measurement will be 60 minutes.

axial load

Intervention Type: OTHER

With a helmet with Velcro fastener we will add additional weight to produce axial load on the cervical spine

Interventions

axial load

With a helmet with Velcro fastener we will add additional weight to produce axial load on the cervical spine

Intervention Type: OTHER

Eligibility Criteria

Inclusion Criteria

Healthy participant's Signed informed consent after being informed

Exclusion Criteria

Acute pain Chronic neck pain Undergone Neck surgery Neck Disability Index Score > 15

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 30 Years
• Eligible Sex: MALE
• Accepts Healthy Volunteers: Yes

Sponsors

Balgrist University Hospital

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Jaap Swanenburg, PhD

Role: PRINCIPAL_INVESTIGATOR

Balgrist University Hospital

Locations

Balgrist University Hospital

Zurich, Canton of Zurich, Switzerland

Countries

Switzerland

Other Identifiers

2019-00830

Identifier Type: -

Identifier Source: org_study_id