Disclosed embodiments, as well as features and aspects thereof, are directed towards providing a knee crutch system. Embodiments of a knee crutch system provide support to a users injured lower leg, safely positioning it such that it bears no weight other than its own, while enabling the user to remain mobile. Moreover, a user of a knee crutch system may enjoy mobility without obligating the use of his arms or hands to stabilize the ambulatory motion or otherwise support body weight.