Neurology• Updated 21 October 2026
Nerve Conduction Study and EMG
Tests that measure how well nerves carry signals and how muscles respond, used for carpal tunnel and neuropathy.
Results: Same day
Quick Summary
Primary Purpose
To diagnose carpal tunnel syndrome, peripheral neuropathy and nerve or muscle disorders.
What It Measures
Speed and strength of nerve signals; muscle electrical activity.
Preparation
Don't apply lotion on the day; keep hands and feet warm.
Overview
Small electrical pulses are given, which feel like brief taps.
EMG uses a thin needle in muscles.
What It Measures
Nerve conduction
Signal speed and strength.
EMG
Muscle activity.
How It's Performed
- 01
Setup
Electrodes on the skin.
- 02
Testing
Short electrical pulses; needle for EMG.
- 03
Done
30–60 minutes.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Electromyography (EMG) and Nerve Conduction Studies(opens in a new tab) · MedlinePlus, US National Library of Medicine