A lumbar folding bed includes a bed frame, and a board assembly that has a calf board, a thigh board pivotally mounted to the calf board, a seat board pivotally mounted to the thigh board, and a back board pivotally mounted to the seat board. A lumbar extension motor is connected to the board assembly. A lumbar extension rod is mechanically linked to the lumbar extension motor. The lumbar extension motor is configured to raise and lower the lumbar extension rod. A pair of calf board massagers are mounted to the calf board. The pair of calf board massagers includes a left calf board massager and a right calf board massager. The lumbar folding bed further optionally includes a pair of back board massagers.