Adding a third stimulation site in the elbow mid-sulcus for motor conduction velocity (MCV) to abductor digiti minimi (ADM) increased the electrodiagnostic sensitivity from 80% to 96%. Reduced ulnar sensitivity (86%) and muscle strength (48%) were the most common clinical findings. Ulnar paresthesias (96%) were more common than pain (60%). Two-side p-values < 0.05 were considered as significant. Student's t - test, chi-square tests and multiple regression models were used. Data from the most symptomatic arm were analysed and compared to the department's reference limits. The study was prospective, and 127 UNE patients who were selected consecutively from the list of patients, had a clinical and electrodiagnostic examination. Further we intended to study the clinical symptoms and findings, and a possible correlation between the neurophysiological findings and pain. We wanted to evaluate the utility of examining both the sensory branch from the fifth finger and the dorsal branch of the ulnar nerve. This study aimed to explore the value of extended motor nerve conduction studies in patients with ulnar nerve entrapment at the elbow (UNE) in order to find the most sensitive and least time-consuming method.
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