Abstract: A leg support device suitable for use with a walker and a method for attaching the leg support device to the walker are disclosed. A leg support device includes a leg support configured to support a leg of a patient and has a first side and a second side opposite the first side. The leg support device further includes a first handle that is attached to the first side of the leg support, extends in a vertically upward direction, and has a first releasable connector. The leg support device further includes a second handle that is attached to the second side of the leg support, extends in a vertically upward direction, and has a second releasable connector. The leg support device further includes at least one crossbar strap that is attached to one of the first side and the second side of the leg support, extends in a vertically downward direction, and has a third releasable connector.