PROBLEM TO BE SOLVED: To provide a waist burden reduction device by which fatigue of leg muscles is reduced to enable the knee to be smoothly stretched and bent even in work requiring a forward tilting posture accompanied with bending and stretching of the knee such as caring action etc.SOLUTION: The waist burden reduction device 1 is structured by including a waist belt 10 worn on the waist of a human body, a pair of knee straps 20 with pressure parts 21 worn on both right and left knees and abutting on the patella lower region, and a lower elastic strap 25 for connecting a part between the waist belt and each knee strap along a region from buttocks to the femoral back to support muscle tension loaded on from the buttocks to the femoral back generated accompanied with a posture change to a forward tilting posture and to pull the pressure part 21 to compress the patellar tendon accompanied by the change to a bending posture of the knee.COPYRIGHT: (C)2012,JPO&INPIT【課題】介護動作等の膝部の屈伸を伴なう前傾姿勢を要求される作業であっても、脚部筋肉の疲労を軽減して円滑に膝の曲げ伸ばしが可能な腰部負担軽減装具を提供する。【解決手段】人体の腰部に装着する腰部ベルト10と、左右の膝部に装着し、膝蓋骨下部領域に当接する加圧部21を備えた一対の膝部ベルト20と、臀部から大腿部背面に沿うように前記腰部ベルトと各膝部ベルトの間を連結して、前傾姿勢への姿勢変化に伴なって生じる臀部から大腿部背面に掛かる筋張力を補助するとともに、膝の屈曲姿勢への変化に伴なって前記加圧部21により膝蓋腱を圧迫するように牽引する下部弾性ベルト25とを備えて腰部負担軽減装具1を構成する。【選択図】図1
