Key points from article :
Prosthetic legs with sensors can help people avoid unseen obstacles underfoot.
Added sensors to the insole on the foot and inside the knee.
Signals were delivered through electrodes implanted into nerves in the participant’s thigh.
Carried the signal generated when touching the ground or bending the knee.
Participants walked up and down stairs an average of 30 per cent faster with the sensory input
Seven times less likely to fall over an unseen object with input from the sensors.
Research by Swiss Federal Institute of Technology in Zurich, published in Science Translational Medicine.