Two-Point Discrimination (Static) Special Test

What is it used for?

• Assessing Functional Sensation and innervation density.

How to Perform

• Tool: Use a specialized disk or caliper.
• Action: Touch the fingertip with one or two points randomly.
• Limit: Determine the smallest distance the patient can distinguish as two points.

Interpretation of Results

• Normal: < 6mm.
• Fair: 6-10mm.
• Poor: 11-15mm.

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.