Table 3.

Needle EMG (Electromyogram) results obtained on the follow-up visit.

Side	Muscle	Nerve	Root	Ins Act	Fibs	Psw	Amp	Dur	Poly	Recrt	Int Pat
Right	Vastus med	Femoral	L2–4	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml
Right	Ant tibialis	Dp Br fibular	L4–5	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml
Right	Fibularis long	Sup Br fibular	L5-S1	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml
Right	Gastroc	Tibial	S1–2	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml
Left	Vastus med	Femoral	L2–4	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml
Left	Ant tibialis	Dp Br fibular	L4–5	Nml	Nml	Nml	Nml	Nml	1+	Nml	Nml
Left	Fibularis long	Sup Br fibular	L5-S1	Nml	Nml	Nml	Nml	Nml	1+	Nml	Nml
Left	Gastroc	Tibial	S1–2	Nml	Nml	Nml	Nml	Nml	0	Nml	Nml

Needle EMG study of bilateral lower extremity shows normal pattern except for left anterior tibialis and left fibularis longus which had increased polyphasic (L5 nerve root). Nml – normal; Vastus med – vastus medialis muscle; Ant tibialis – anterior tibialis muscle; Fibularis long – fibularis longus muscle; Gastroc – gastrocnemius muscle; Ins act – insertional activity; Fibs – fibrillation; Psw – positive sharp wave; Amp – amplitude; Dur – duration; Poly – polyphase; Recrt – recruitment; Int pat – interval pattern; Dp Br fibular – deep branch of fibular nerve; Sup Br fibular – superficial branch of fibular nerve.