A foot movement damping device for damping a foot movement via the ankle joint, comprising a support arrangement for supporting on a lower leg and a retaining arrangement for retention on a foot, wherein a damping arrangement is arranged with at least one damping element for damping a relative movement between the support arrangement and the retaining arrangement, characterized in that the damping arrangement has a support attachment for attaching to the support arrangement and a retaining attachment for attaching to the retaining arrangement, wherein the support attachment is connected to the support arrangement at least partially on a first side of the support arrangement, which, in a state attached to the lower leg, corresponds to a lateral side of the ankle joint, and at least partially on a second side of the support arrangement, which, in a state attached to the lower leg, corresponds to a medial side of the ankle joint, wherein the support attachment has a first support arm for attaching to the support arrangement on the first side, and a second support arm for attaching to the support arrangement on the second side, wherein the damping element is integrated in the first support arm and/or a damping element is integrated in the second support arm, and in that the support arrangement comprises at least one supporting region (20, 21) and at least one supporting fixation, wherein the support arrangement can be supported on the anklebone with the at least one supporting region (20, 21) above the anklebone of the ankle joint, and wherein the at least one supporting fixation is configured for fixing the position of the at least one supporting region (20, 21) in a state attached to the lower leg. wherein a damping arrangement is arranged with at least one damping element for damping a relative movement between the support arrangement and the retaining arrangement, characterized in that the damping arrangement has a support attachment for attaching to the support arrangement and a retaining attachment for attaching to the retaining arrangement, wherein the support attachment is connected to the support arrangement at least partially on a first side of the support arrangement, which, in a state attached to the lower leg, corresponds to a lateral side of the ankle joint, and at least partially on a second side of the support arrangement, which, in a state attached to the lower leg, corresponds to a medial side of the ankle joint, wherein the support attachment has a first support arm for attaching to the support arrangement on the first side, and a second support arm for attaching to the support arrangement on the second side, wherein the damping element is integrated in the first support arm and/or a damping element is integrated in the second support arm, and in that the support arrangement comprises at least one supporting region (20, 21) and at least one supporting fixation, wherein the support arrangement can be supported on the anklebone with the at least one supporting region (20, 21) above the anklebone of the ankle joint, and wherein the at least one supporting fixation is configured for fixing the position of the at least one supporting region (20, 21) in a state attached to the lower leg.