key for many amputees facing the long road to recovery. you call the biom which stands for what? bionic motion. here you see the biom and inside this metal shield we have a muscle tendon like that we call actuator, motor system and we have several computers, three computers. here is the battery, the power supply. people walk. they put their heel down to their toe. they re bending their knees slightly when they walk. you can tell when someone has an older prosthetic device the walking is unnatural. i do not want to race. how about with you? what is different? there is a lot that is different. these offer control, when they come in contact with the ground and steps off the ground.