Patent ID: 8246554

Claim:
A living body inspection system comprising: a tapping detecting unit that detects motion data regarding at least one of a distance, a speed, and an acceleration, of two fingers of a hand of a subject, in tapping operation including open and closing motions of the fingers; and a living body inspection apparatus that calculates an estimation index regarding finger motion of the subject on the basis of the motion data, including: a storage; and a processing part programmed to: obtain a speed and an acceleration on the basis of the motion data from the tapping detecting unit, calculate the estimation index by calculating at least one of (a) a mechanical impedance regarding the extending force of the fingers, and (b) a mechanical impedance regarding an opening and closing force of the fingers, by using the speed and acceleration in a predetermined equation based on a muscle dynamic model, that uses a ratio between the speed and the acceleration, and convert into normalized values the at least one of (a) the mechanical impedance regarding the extending force of the fingers, and (b) the mechanical impedance regarding the opening and closing force of the fingers, by dividing the at least one of the mechanical impedances by a mass of the fingers, and store the normalized values in the storage.