Vibration of the spine and low back pain.

MH POPE, TH HANSSON - Clinical Orthopaedics and Related …, 1992 - journals.lww.com
There are now many studies suggesting a positive relationship between both low back pain
and spinal degeneration and exposure to whole body vibration. Such relationships appear
to be particularly marked in drivers of tractors, earth-moving equipment, and trucks. There is
a tendency toward a greater incidence of complaints as exposure increases. Vibration
affects the spine by exciting a 4-6-Hz resonance that is related to the biologic" soft spring"
between S-1 and the seat. The muscle nerves fire sequentially under vibration and fatigue …