US-guided treatment of Achilles tendinopathy on a long-axis scan. (a) Probe and patient position to perform long-axis US-guided treatment of Achilles tendinopathy. (b) Anatomical scheme and (c) US scan of peritendinous anesthetic injection, A Achilles tendon, C calcaneus, K Kager’s triangle, arrow needle tip, circle anesthetic, asterisk intratendinous degenerated area. (d) Anatomical scheme and (e) dry-needling procedure. (f) Steroid injection in the retrocalcaneal bursa (§)