Phalen's Maneuver and Tinel's Sign in CS Exam
Physical examination to confirm the presence of Carpal Tunnel Syndrome is something that you may have to do the CS exam.
However, do not do theses clinical maneuvers in each and every case. Not even when you do the full neurological exam. They are needed only if the patient has specific carpal tunnel symptomology.
Better than descriptive words is these two simple YouTube videos
Tapping on the distal radial end may elicit electic feelings in the hand as shown here