Table.
Nerve Conduction Studies | ||||
---|---|---|---|---|
Stimulate (Record) | A (mV/μV) | CV (m/s) | DL (ms) | F-wave latency (ms) |
R Median motor (APB) | 2.8 (>4) | 55 (>48) | 3.3 (<4.5) | 25.7 |
R Median sensory (Index) | 18 (>15) | 55 (>56) | 3.2 (<3.6) | |
R Ulnar motor (ADM) | 8.8 (>6) | 61 (>51) | 2.1 (<3.6) | 25.8 |
R Ulnar sensory (Fifth) | 31 (>10) | 60 (>54) | 2.2 (<3.1) | |
R Radial motor (EDC) | 0 | NR (>67) | NR (<3.1) | |
R Radial sensory | 0 (>20) | NR (>49) | NR (<2.9) | |
L Median motor (APB) | 0.0 (>4) | NR (>48) | NR (<4.5) | |
L Median sensory (Index) | 0 (>15) | NR (>56) | NR (<3.6) | |
L Radial motor (EDC) | 4.4 | 58 (>67) | 3 (<3.1) | |
L Radial sensory | 7 (>20) | – (>49) | 2.6 (<2.9) | |
R Peroneal motor (EDB) | 0.7 (>2) | 43 (>41) | 4.5 (<6.6) | |
L Peroneal motor (EDB) | 2.4 (>2) | 42 (>41) | 3.2 (<6.6) | |
R Tibial motor (AH) | 8.1 (>4) | 44 (>40) | 3.7 (<6.1) | |
R Sural sensory (Ankle) | 11 (>0) | 49 (>40) | 3.6 (<4.5) |
EMG | |||||
---|---|---|---|---|---|
Muscle | Insertional Activity |
Fibrillation Potentials |
Motor Unit Potentials | ||
Recruitment | Long Duration |
High Amplitude |
|||
R APB | Increased | 1+ | 2− | 2+ | 3+ |
R biceps brachii | Normal | 0 | 0 | 1+ | 2+ |
R brachioradialis | Increased | 4+ | No units | No units | No units |
R deltoid | Normal | 0 | 1− | 2+ | 1+ |
R EDC | Increased | 4+ | No units | No units | No units |
R FDI | Normal | 0 | 0 | 0 | 0 |
R FCU | Normal | 0 | 0 | 0 | 0 |
R FPL | Normal | 0 | 1− | 2+ | 1+ |
R pronator teres | Increased | 2+ | 2− | 2+ | 2+ |
R triceps brachii | Increased | 2+ | 2− | 2+ | 2+ |
L APB | Increased | 2+ | 2− | 2+ | 2+ |
L biceps brachii | Normal | 0 | 0 | 0 | 0 |
L deltoid | Normal | 0 | 0 | 1+ | 1+ |
L EDC | Increased | 3+ | 3− | 3+ | 2+ |
L FDI | Normal | 0 | 0 | 0 | 0 |
R medial gastrocnemius | Increased | 1+ | 1− | 1+ | 1+ |
R TFL | Normal | 0 | 0 | 0 | 0 |
R Tibialis anterior | Normal | 0 | 1− | 2+ | 2+ |
R vastus medialis | Normal | 0 | 1− | 1+ | 1+ |
R cervical paraspinals | Normal | 0 | 0 | 0 | 0 |