Fig. 2. Ultrasound-guided injection into the midportion of the soleus muscle, which was most tender. (A) Ultrasonography confirmed that the needle was within the soleus (arrow, 23-gauge needle). (B) The flow of the injected isotonic saline within the soleus was confirmed by color Doppler ultrasonography. G, gastrocnemius; S, soleus; A, aponeurosis.
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