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Table 5 Range-of-motion at baseline and during percutaneous peripheral nerve stimulation with electric current

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 Stimulation Change
Subject Off On   Off On  
A 61 60 −1 57 53 −4
B 21 39 18 10 54 44
C 63 70 7 75 61 −14
D 111 116 5 100 110 10
E 88 80 −8 87 88 1
Mean 69 73 4 66 73 7
  1. Active and passive knee range-of-motion was measured using a standard goniometer and included the number of degrees between the maximum flexion and extension measurements