Abstract: A Printed Circuit Board (PCB) test fixture includes flex sensors for monitoring the flex (or distortion) of the PCB during testing. The PCB is positioned above irregular array of test probes. The test probes are aligned with electrical test points on the PCB. The PCB is then pressed downward against the test probes by an irregular array of pushers. The positions of the pushers are generally specified by a PCB manufacturer to avoid PCB elements and the positions of the test probes are generally specified by the PCB manufacturer to obtain desired signals.