Neck Pain - Motor and Sensory Aspects
Overview
- Phase
- N/A
- Intervention
- Injection of hypertonic saline
- Conditions
- Healthy
- Sponsor
- Aalborg University
- Enrollment
- 28
- Locations
- 1
- Primary Endpoint
- Change in head repositioning accuracy
- Status
- Completed
- Last Updated
- 6 years ago
Overview
Brief Summary
This study investigates if/how an experimentally applied neck muscle pain influences head repositioning error in healthy participants.
Detailed Description
Healthy volunteers will participate in a single session study with a crossover design. During the study healthy participants will be randomized to either receive a injection of hypertonic saline (painful injection) or isotonic saline (control injection) in a neck muscle. Head repositioning accuracy will be assessed with and without performing a cognitive task.
Investigators
Steffan Wittrup Christensen
Associate professor
Aalborg University
Eligibility Criteria
Inclusion Criteria
- •Healthy men and women aged 18-50 years
- •Right handed
- •Able to speak, read and understand Danish or English
- •Normal pain free neck and shoulder range of motion
Exclusion Criteria
- •Pain from the neck or shoulder area
- •Prior surgery in neck or shoulder
- •Pregnancy
- •Drug addiction defined as the use of cannabis, opioids or other drugs
- •Self reported neurologic, musculoskeletal or mental illnesses
Arms & Interventions
Painful condition
Participants will be injected with 0.5ml hypertonic saline (5.8%) into a neck muscle
Intervention: Injection of hypertonic saline
Control condition
Participants will be injected with 0.5ml Isotonic saline (0.9%) into a neck muscle
Intervention: Injection of Isotonic saline
Outcomes
Primary Outcomes
Change in head repositioning accuracy
Time Frame: Within session (session lasts approximately 2 hours)
Participants will be blindfolded and asked asked to, from a neutral position, to move the head into full range of motion before returning to to a neutral position again. The difference between the start and end position will be used as an estimate of head repositioning error.
Secondary Outcomes
- Change in perceived pain(Within session (session lasts approximately 2 hours))
- Change in perceived performance of head repositioning accuracy test(Within session (session lasts approximately 2 hours))