![](../../pics/diagrams/emg/pbsemg.gif)
Sweep speed = 200 ms/div; Sensitivity = 1.0mV/div
|
- High frequency discharges with irregular occurrence at rest
- Spontaneous
- Location of activity:
- Isolated to palmaris brevis muscle
- Bilateral or unilateral
- None in other muscles
|
|
![](../../pics/diagrams/emg/pbsemgmu.gif)
Sweep speed = 10 ms/div; Sensitivity = 0.2mV/div
|
- Motor units: Normal amplitude, duration & morphology
|