electromyography is what kind of specialist
Commonly performed by a physiatrist or neurologist trained in this procedure, EMG testing can provide your doctor with specific information about the extent of nerve and/or muscle injury and can also determine the exact location of injury and give some indication whether the damage is reversible.
Electromyography (EMG) is an experiemental technique used to record and analyse myoelectric signals. It can be defined as 'the study of muscle function through the inquiry of of the electrical signals that the muscle emanates (gives out or emits).