FIELD: medicine. SUBSTANCE: method involves recording muscle tension under mechanical irritation applied at cuff decompression moment with decompression curve being also recorded. Cuff decompression rate is calculated from formula V=(A-a)/T, where A is the maximum cuff pressure on the extremity muscle under examination at decompression moment, in mm of mercury column, T is the cuff decompression time in s, a is the minimum cuff pressure on the extremity muscle under examination at decompression moment, in mm of mercury column. Then percent ratio of the cuff decompression rates on the symmetrical muscles of both extremities or percent ratio of the cuff decompression rates on the distal and proximal muscles of both extremities is calculated. Cuff decompression rate on the injured extremity muscle being higher than that on the healthy extremity or cuff decompression rate on the distal injured extremity muscle being higher than that on the proximal muscle of the healthy extremity, reduced tissue activity in the injured extremity is considered to be the case. EFFECT: simplified, high accuracy method for determining muscle tonus. 3 tbl
