Flexor hallucis longus hypertrophy secondary to Achilles tendon tendinopathy: an MRI-based case-control study.
Stephan H WirthOctavian AndronicFabian AreggerAnna Jungwirth-WeinbergerThorsten JentzschAndreas HeckerPublished in: European journal of orthopaedic surgery & traumatology : orthopedie traumatologie (2021)
In our patient cohort, FHL hypertrophy was observed in patients with Achilles tendinopathy as a possible compensatory mechanism. Measuring a diameter ratio Dm(FHL/TS) of 2.0 or higher on an axial MRI, may be indicative as an indirect sign of functional deterioration of the Achilles tendon.