Effects of Upper and Lower Cervical Spinal Manipulative Therapy on Blood Pressure and Heart Rate Variability in Volunteers and Patients With Neck Pain: A Randomized Controlled, Cross-Over, Preliminary Study

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Published online 2015 Feb 7. doi: 10.1016/j.jcm.2014.12.005

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Table 2A

Pre- and Post-SMT Measures of Heart Rate, Arterial Blood Pressure, and Pain Score Changes in Volunteer’s Group (n = 10)

	Pre-SMT	Post-SMT
Upper cervical
Heart rate (bpm)	67 ± 9	67 ± 8
Systolic blood pressure (mmHg)	109 ± 10	98 ± 5^a
Diastolic blood pressure (mmHg)	69 ± 8	70 ± 8
Numeric Pain Scale	0	0
Lower cervical
Heart Rate (bpm)	65 ± 7	63 ± 7
Systolic blood pressure (mmHg)	113 ± 10	115 ± 9
Diastolic blood pressure (mmHg)	72 ± 8	68 ± 6
Numeric Pain Scale	0	0

Values are presented in mean ± SD.

SMT, spinal manipulative therapy.

^aP < .05, relative to baseline value and between upper and lower cervical SMT patients.