LKnative - Popliteal sciatic nerve block 
The video shows how the tibial nerve (TN) can be touched by the needle as long as it does not pierce the nerve
33 – You can touch the nerve but don’t pierce it
You can touch the nerve with the needle, but you should not pierce it
And especially you should not inject local anaesthetic intraneurally
Click on the VIDEO CLIP button to view the video