Look
Wasting of anterior & lateral compartments leg
Scars at fibula head
Masses
Feet for dystrophic changes
Back - surgery / dystrophic changes
Hip - scars
Gait
Foot drop gait, high stepping, slapping
Feel
Along CPN
Tinel’s
Sensation Tibial nerve
- sole of foot
Sensation CPN
- SPN dorsum of foot
- DPN 1st webspace
Move
Tibial nerve
- hamstrings
- T. Ach
- FHL
- FDL
CPN
- T. Ant (L4)
- EHL (L5) – often 1st damaged as most prox br
- EDL (L5,S1) – isolated with ankle in DF
- PL & PB (L5,S1) – eversion & palpate
DDx
L5 v Sciatic / Tibial
- examine Abductors (L5)
CPN above knee v below knee
- short head biceps EMG