Fig. 5. Pearson correlation scatter plots for study results of echo intensity of abductor pollicis brevis (APB). (A) Distal motor latency of the median nerve (r=0.65). (B) Onset latency of the median sensory nerve (r=0.67). (C) Thickness of APB (r=−0.4). (D) Cross-sectional area (CSA) of APB (r=−0.41).