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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: A1 pulley cutting potential and safety of three ultrasound-guided percutaneous A1 pulley release techniques for trigger finger: a cadaveric study

Fig. 2

Skin markings prior to the procedure via an ultrasound probe. (a) Longitudinal line of the flexor tendon. (b) Marking the distal and proximal margins of the A1 pulley. (c) Cross-sectional ultrasound image showing the needle shadow. (d) Longitudinal ultrasound image showing the needle shadow to mark the proximal and distal limits of the A1 pulley. The arrow indicate the needle reverberation. The asterisk indicate the flexor tendons. MH: metacarpal head. PPh: proximal phalanx

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X