Prosthetic knee solves technical problem of achieving tuck position by multipoint linkage of tibia substitute, and further, using spring (4) and gas shock absorber (5).The prosthetic knee according to this invention is preferably earmarked for sporting activities following below knee or above knee amputation.Due to unique positioning of knee axes of this invention (the knee unit is multi-axes) the same during transfer of weight onto the prosthetic knee moves both down and forward (simulation of connected effect of ankle and knee using healthy leg) which consequently means that person whose limb was amputated still maintains ideal position of center of gravity of body during sporting activity and therefore maintains appropriate control of skis or other sporting equipment.The prosthetic knee in one of preferred embodiments for its operation uses also gas shock absorber (called also pneumatic spring), and spring which substitutes the muscle quadriceps extensor (quadriceps femuris) (the knee with downward pressure saves energy and releases it when the user needs it).
