Clinical Trials Study
Copyright ©The Author(s) 2017.
World J Orthop. Feb 18, 2017; 8(2): 163-169
Published online Feb 18, 2017. doi: 10.5312/wjo.v8.i2.163
Figure 3
Figure 3 Longitudinal ultrasound-guided release of the A1 pulley. The knife -with its acoustic shadowing (green arrows) - is clearly visible (white arrows). Its tip is advanced over the metacarpal-phalangeal joint (yellow arrow), parallel to the superficial flexor tendon.