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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: The cross-sectional area ratio of a specific part of the flexor pollicis longus tendon- a stable sonographic measurement for trigger thumb: a cross-sectional trial

Fig. 1

A-B Ultrasonic probe position (black line) and ultrasonic measurement image (dotted line) of the cross-sectional area (C1) of FPL tendon (white arrow) at the MCP joint. C-D Ultrasonic probe position (black line) and ultrasonic measurement image (dotted line) of the cross-sectional area (C2) of FPL tendon (white arrow) at the midpoint of the first metacarpal bone

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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