From: Comparative study between continuous adductor canal block and intravenous morphine for postoperative analgesia in total knee arthroplasty
Maximal knee flexion
Group A
Group B
t
P
Day one, mean ± SD
34.89 ± 4.79
34.07 ± 4.46
0.647
0.521
Day two, mean ± SD
50.11 ± 5.48
48.33 ± 5.37
1.204
0.234