An apparatus and system are disclosed for manipulating soft tissue. The apparatus includes a support member and a raised member. The support member includes a support surface disposed between a first end of the support member and a second end of the support member. The support member is elongated in a lengthwise direction between the first end of the support member and the second end of the support member. The raised member includes an outer surface disposed opposite an inner surface. The inner surface is supportable by the support surface of the support member. The outer surface of the raised member is configured to rotate along at least a portion of a user's body in response to movement of the raised member along the user's body. The raised member is repositionable along the support surface of the support member in the lengthwise direction.