From: The effects of adding epinephrine to ropivacaine for popliteal nerve block on the duration of postoperative analgesia: a randomized controlled trial
Nerve
ROPI
ROPI-EPI
Complete
Partial
Absent
Tibial sensory
4
11
1
9
2
Tibial motor
10
3
5
Peroneal sensory
12
-
Peroneal motor