From: Ultrasound-guided percutaneous peripheral nerve stimulation for analgesia following total knee arthroplasty: a prospective feasibility study
Passive range-of-motion
Active range-of-motion
Stimulation
Change
Subject
Off
On
A
61
60
−1
57
53
−4
B
21
39
18
10
54
44
C
63
70
7
75
−14
D
111
116
5
100
110
E
88
80
−8
87
1
Mean
69
73
4
66