Understanding Thumper
• NUMBNESS Occasionally patients will comment that
the area being massaged with Thumper feels "numb."
This sensation is created by rapid stimulation of nerve
endings in the skin. It can assist with pain control in
longstanding muscle tension and otherwise has no
significance.
• CONTRACTION When intense tension is present, a
strong contraction may occur in the muscle being
massaged. This is called a tonic vibratory reflex or
TVR and happens most frequently in the legs. It is of
short duration (10-15 seconds) and can vary in intensity.
The more tension stored, the stronger the contraction, if it
occurs.
How Thumper
Feels (cont’d)
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