Kinematics of the head and associated vertebral artery length changes during high-velocity, low-amplitude cervical spine manipulation

Table 1

Donor demographics

	Sex	Age (yrs)	Height (cm)	Weight (kg)	Time since death until testing (hr)	Reason for death	Pre-existing conditions
	M	82	178	71	65	Dementia	Spinal stenosis, Diabetes Mellitus II
	M	94	168	70	144	Congestive cardiac failure	Unknown
	M	87	170	57	144	Obstructive pneumonia	Metastatic lung and colon cancer, chronic obstructive pulmonary disease, benign prostatic hypertrophy
Mean ± SD		88 ± 6	172 ± 5	66 ± 8	118 ± 46

M, male; yrs, years; cm, centimeters; kg, kilograms; hr, hours; SD, standard deviation