INDIVIDUAL RESPIRATORY TRAINER Russian patent published in 1998 - IPC

FIELD: training of respiratory musculature. SUBSTANCE: trainer has external vessel with holes for communication with surrounding atmosphere and for respiratory tube coupled to internal chamber having holes in lower part and placed in middle vessel which has upper hole for communication with external vessel medium. Trainer also has facilities for separation of part of external vessel volume used and facilities for changing the value of flow section area of holes in lower part of internal chamber. EFFECT: continuous variation of training load. 6 cl, 4 dwg