Chiropractic adjustment and brain, eyes and heart activity

Not Applicable

• Conditions: Cardiovascular - Normal development and function of the cardiovascular system; Acute Stress; Neurological - Studies of the normal brain and nervous system; Eye - Normal eye development and function; Alternative and Complementary Medicine - Other alternative and complementary medicine; Musculoskeletal - Other muscular and skeletal disorders

• Registration Number: ACTRN12623000725662
• Lead Sponsor: ew Zealand College of Chiropractic

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2023-07-05
• Last Update Posted: 10 July 2023

Recruitment & Eligibility

• Status: ot yet recruiting
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

Individuals aged between 18 and 50 years with subclinical spinal pain (SCSP) will be recruited. SCSP refers to individuals who have a previous history of recurring spinal (e.g., neck, mid-back or low back) pain, ache, or tension, that is not always present, that they have not yet sought any treatment for, and may or may not be accompanied with a history of spinal injury. The participants will be included if they have no or mild symptoms on the day of the experiment (i.e., less than 3/10 on the numeric pain rating scale) and have not received any chiropractic adjustment or any other manual therapy in the past two weeks of their data collection session.

Exclusion Criteria

-Diagnosed dysautonomia and Raynaud's disease.
-Have any contraindications to chiropractic adjustments (such as a history of recent spinal fractures; inflammatory disease; or recent cancer).
-Have any damage to your eyes (such as coloboma or oculomotor palsy).
-Have cardiovascular diseases, hypertension (including fully controlled hypertension), severe physical illnesses (e.g., Fibromyalgia) or endocrine disorders.
-Have any pre-existing neurophysiological or psychological conditions.
-Are currently managing any acute or chronic pain conditions.
-Are taking any medications known to affect the HPA axis such as corticosteroids.
-Vape or smoke cigarette (more than 10 smokes/day).
-Are pregnant.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
eural activation patterns measured using Functional near-infrared spectroscopy (fNIRS)[Before, during and after the Maastricht Acute Stress Test at baseline and post-assessment (immediately following chiropractic/control session).]