The proposed study examines the differences in how the ANS responds to cervical adjustments in comparison to thoracic adjustments. This study is the continuation of a previous study titled Perceived stress and patterns of autonomic function: a protocol development study. Autonomic tests such as HRV, GSR, and the stress surveys will be the primary method of measurement. CareTaker and Biopac devices will provide continual data collection of ECG (for HRV analysis) and GSR throughout the exam and adjustment. Participant's subjective stress levels will be measured through the use of stress questionnaires including the National Stressful Events Survey Acute Stress Disorder Short Scale, the Hamilton Anxiety Rating Scale, and the Connor-Davidson Resilience Scale. The objective of the study is to determine if the location of a chiropractic adjustment will affect the autonomic nervous system in such a way that PNS or SNS activation increases or decreases after the adjustment. Further, the study will continue to examine how the chiropractic adjustment affects the subjective stress response.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
40
Upper cervical adjustement
Thoracic adjustment
Dr. Sid E. Williams Center for Chiropractic Research
Atlanta, Georgia, United States
Caretaker Heart Rate Variability
HRV allows for an understanding of Autonomic (parasympathetic) function, via measuring the interval of R peaks in QRS complexes.
Time frame: Through study completion, an average of 1 week
Galvanic Skin Response
Galvanic Skin response gives a strong measure of Sympathetic response via electrical conductivity of perspiration.
Time frame: Through study completion, an average of 1 week
Hamilton Anxiety Rating Scale
Measures the severity of anxiety symptoms
Time frame: Through study completion, an average of 1 week
NSESSS
Measures PTSD symptoms in people 18 and up.
Time frame: Through study completion, an average of 1 week
CD-RISC-25
Measure of adaptability
Time frame: Through study completion, an average of 1 week
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