Fig. 2From: Repair of thumb defect by using the toenail flap: biomechanical analysis of donor foot—a retrospective cohort studyA 25-year-old male patient. The left thumb was amputated at the interphalangeal joint level. A toenail flap with distal phalanx was transferred to reconstruct the thumb. a, b Follow-up photograph 1 year postoperatively shows a good replica of the intact thumb. c Comparison of appearance with healthy thumbBack to article page