Lower Limb EMG Flashcards
SENSORY
SUPERFICIAL PERONEAL
Active Electrode
1 finger breadth medial to lateral malleolus
SENSORY
SUPERFICIAL PERONEAL
Reference Electrode
3 cm distal to active NOT over EDB
SENSORY
SUPERFICIAL PERONEAL
Stimulation
12 cm proximal to active (anterior and lateral surface of leg)
SENSORY
SURAL
Active Electrode
1 cm lateral to lateral malleolus
Parallel to sole of foot
SENSORY
SURAL
Reference
3 cm distal to active
parallel to sole of foot
SENSORY
SURAL
Stimulation
10 cm proximal to active on the Achilles
Then work laterally
MOTOR
Common peroneal
Active
Center of extensor digitorum profundus
MOTOR
Common peroneal
Reference
5th toe
MOTOR
Common peroneal
Stimulation points (3)
What direction do you want ankle?
8 cm proximal to EDB on lateral surface of foot
Below fibular head
Popliteal: 10 cm proximal from fibular
Want ankle to go UP
MOTOR
Tibial
Active Electrode
Feel navicular
1 fingerbreadth towards plantar surface
1 fingerbreadth posterior
MOTOR
Tibial
Reference Electrode
Medial surface of great toe at the joint
MOTOR
Tibial
Stimulation points (2)
Want ankle to go
8 cm proximal to active, posterior to medial malleolus
In popliteal fossa, slightly lateral to midlline
Want ankle to go DOWN
H-reflex active
over medial gastroc
H-reflex reference
Achilles
H-reflex stimulation
Pop fossa (lateral to midline)
