Acute rupture of the Achilles' tendon can be a life-changing event, since it leaves many patients with permanent deficits. One year after injury, 4 in 10 patients with Achilles' tendon rupture have returned to their preinjury sport activities, and 1 in 2 patients considers their level of symptoms to be acceptable.(1) Achilles' tendon rupture can be treated nonoperatively with the use of an ankle orthosis or surgically with open repair or minimally invasive surgery followed by the use of an ankle orthosis. The orthosis is worn for 6 to 9 weeks; it can be static, with the ankle joint immobilized, . . .