What does ENG stand for?

Electroneurographic and myographic results showed a severe form of a peripheral axonal neuropathy.

[72] This, however, does not detract from the fact that Ebenbichler et al[54] reported a difference in outcome for those treated with ultrasound (outcome measures provided: subjective symptom score for main complaint and sensory loss; electroneurographic measurements of median motor nerve distal latency, antidromic sensory nerve conduction rate, and peak-to-peak amplitude; and physical function levels, including strength of handgrip and of finger pinch).