A movement assistance device (1) that is a wearable implement includes: a frame (12) that is to be fitted onto a wearer and extends from a lower back to a right side of hips and a left side of the hips of the wearer when fitted onto the wearer. The frame (12) includes a pair of fitting portions (13) that extend to a vicinity of the right side of the hips and the left side of the hips of the wearer, and a space between the pair of fitting portions (13) widens from the lower back toward an abdomen of the wearer. For example, each of the pair of fitting portions (13) may be an end of the frame (12). Moreover, each of the pair of fitting portions (13) has an approximately planar surface that faces the right side of the hips or the left side of the hips of the wearer.
