Fig. 2From: Individualized treatment for acute Achilles tendon rupture based on the Copenhagen Achilles Rupture Treatment Algorithm (CARTA): a study protocol for a multicenter randomized controlled trialCopenhagen Achilles Length Measure (CALM): an ultrasonographic measurement of tendon elongation. CALM comprises two measurements: the total length of the Achilles tendon (distance 1) and the free length of the Achilles tendon (distance 2)Back to article page