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Fig. 5. Sagittal (A) and transversal (B) magnetic resonance images as well as the
digitised Achilles tendon boundaries (C). The sagittal images served to obtain
the location of the most proximal aspect of the tuberositas calcanei and the
most distal aspect of the soleus muscle. On each transversal image, the
boundaries of the Achilles tendon were outlined manually. The length of the
Achilles tendon was calculated as the curved path passing through the
centroids of the cross sections (C).