Achilles Pain, Stiffness, and Muscle Power Deficits: Midportion Achilles Tendinopathy

In addition to the arc sign and Royal London Hospital test, clinicians can use a subjective report of pain located 2 to 6 cm proximal to the Achilles tendon insertion that began gradually and pain with palpation of the midportion of the tendon to diagnose midportion Achilles tendinopathy. (C)