The fast-growing fitness chain Rizap has teamed up with local governments to launch a program targeting elderly residents as part of efforts to curb the graying nation's ballooning medical expenses.

Rizap Group Inc. provides municipalities with health management programs incorporating exercise and dietary regimes with the aim of helping elderly residents stay in shape to reduce the need for nursing care, company officials said.

Japan faces the daunting task of reining in runaway medical expenditures, estimated to hit around ¥50 trillion in 2020.