Optimal surgical approach for the treatment of Quervains disease: A surgical-anatomical study

Figure 1 Landmarks used to outline the arm. MCP: Metacarpo phalangeal.

Figure 2 Course of the superficial branch of the radial nerve compared to the first extensor compartment.

Figure 3 “Safe zone” gradient from red (95% nerve density) to green (0% nerve density).

Figure 4 Distance between first and second branch of the superficial branch of the radial nerve for all 20 arms. SBRN: Superficial branch of the radial nerve.

Figure 5 Course of 20 superficial branch of the radial nerve (Yellow) and 20 lateral antebrachial cutaneous nerve (Green) compared to the first extensor compartment.