Table 1

Neurophysiological studies

Upper limbs (NCS)
A: Sensory nerve action potentials
Nerve	Digit	Right		Left
Nerve	Digit	Conduction velocity (m/s)	Amplitude (μV)	Conduction velocity (m/s)	Amplitude (μV)
Median	III	56	33.9

Upper limb surface EMG
Muscle		APB	ADM	APB	ADM	FDI
Side		R	R	L	L	L
CMAP (mV)		7.8
Terminal motor latency (ms)		3.5
Conduction velocity (m/s)	Wrist-elbow	58
	Ulnar groove	66
	Elbow-axilla	63
F-wave response (Ht 5 ft 6 in)	F-M (ms) (minimum)	24.9

Lower Limbs (NCS)
B: Sensory nerve action potentials
Nerve	Right		Left
Nerve	CV (m/s)	Amplitude (μV)	CV (m/s)	Amplitude (μV)
Sural	43	14

Lower limb surface EMG
Muscle		EDB	AH	EDB	AH
Side		R	R	L	L
CMAP		8	8.7
TML (ms)		4.8	4.1
Conduction velocity (m/s)	Calf	49
F wave response (Ht 5 ft 6 in)	F-M (ms) minimum	40.9	45.1

C: Concentric needle EMG
Muscle	Spontaneous activity	Motor units	Maximum effort
Muscle	Spontaneous activity	Motor units	Number	Max size (mV)
R.Biceps brachii	Fasciculations 3+	Long-duration polyphasic units	Reduced	2
R.1ST Dorsal interosseous	FIBS 2+, fasciculations 3+	Long-duration polyphasic units	Discrete	2
R.Rectus abdominis	Fasciculations 3+	Long-duration polyphasic units	Discrete	2
R.Vastus lateralis	Fasciculations 2+	Long-duration polyphasic units	Reduced	2
R.Tibialis anterior	Positive sharp waves 2+, FIBS 1+, fasciculations 1+	Long-duration polyphasic units	Discrete	3
L.Tibialis anterior	Fasciculations 2+, positive sharp waves 3+, FIBS 3+	Long-duration polyphasic units	Discrete	3
R.Medial gastrocnemius	FIBS 3+, Positive sharp waves 2+	Long-duration polyphasic units	Discrete	3

CMAP, compound muscle action potential amplitude; EMG, electromyography; NCS, nerve conduction studies; TML, terminal motor latency.