< Topic >When it is sat down in the bed and the chair without accompanying walking and run, close to the sole it does the legs, that under the knee the top and bottom as a muscular strength reinforcement instrument tool for load of the motion which is made to move, there are no times when the position shift occurs with motion they offer the muscular strength reinforcement instrument tool of the legs which can assure health.SolutionsHollow section 2 is formed on cartridge head of the computer which does sandal condition, the weight powder granule 3 which is made the sack justification inside that hollow section 2 is enclosed, has stopping arrival means 7a to the instep section and the tarsus, 7b, 8a and 8b on the edge strip of the aforementioned hollow section, the sack which aforementioned is done weight of the weight powder granule 3 which is justified makes adjustment possible ones.< Choice figure >Drawing 1【課題】歩行、走行を伴なうことなく、寝台や椅子に座した状態で、下肢、それも膝下を上下動させる運動の負荷用の筋力増強用器具として、足裏に密接し、運動によって位置ずれが生ずることがなく、健康を図ることのできる下肢の筋力増強用器具を提供する。【解決手段】サンダル状をした本体の底部に中空部2を形成し、その中空部2内に袋詰めとした重量粉粒体3を収納してあり、前記中空部の側面に足甲部及び足首部への止着手段7a,7b,8a,8bを備え、前記した袋詰めした重量粉粒体3の重量は調整可能なものとする。【選択図】図1
