FIELD: medicine. SUBSTANCE: apparatus has vest with transparent measuring net on back part. Vertical measuring rule is rigidly attached to collar part of vest and horizontal measuring rule is attached to vertical measuring rule for longitudinal displacement along it. Bracket is movable in front plane on vertical measuring rule. Additional measuring rule is secured through spherical pivot joint to bracket. Apparatus is adapted for determining the value of displacement of bladebone in two vertical perpendicular planes and is used for investigating individual's body motions and may be used in surgery, traumatology and orthopedics, sportive medicine and neurology. EFFECT: wider range of use and increased precision of measurements. 7 dwg, 3 tbl
