Fig. 2

Longitudinal views of the Achilles tendon sonography at the Achilles tendon insertion for a the non-paretic limb of stroke case 1; b the paretic limb of stroke case 1; c the non-paretic limb of stroke case 2; d the paretic limb of stroke case 2; e the left limb of control case 1; f the right limb of control case 1; g the left limb of control case 2; h the right limb of control case 2. The yellow line on each image indicates the thickness of the Achilles tendon. The dash lines highlight the borders of the Achilles tendon