From: Differences in force-time parameters and electromyographic characteristics of two high-velocity, low-amplitude spinal manipulations following one another in quick succession
Number of participants
Sex (% female)
Age (years)
Height (cm)
Weight (kg)
Asymptomatic
9
44
29 ± 4#
169 ± 8
65 ± 9
Symptomatic
18
50
33 ± 10
172 ± 14
79 ± 22