APPARATUS FOR DEVELOPING SPORTSMAN'S JUMPING FORCE Russian patent published in 2003 - IPC

FIELD: sportive equipment. SUBSTANCE: apparatus has belt, shock-absorbers made in the form of tie-rods connected to belt and made in the form of cable, and feet accommodation platform. Cable is attached with its free ends to belt and runs around four immovable sheaves and one movable sheave, whose cheeks are connected through second cable to exerciser. Two other immovable sheaves are arranged in spaced relation in single plane on additional base one beside another in said plane and between exerciser and feet accommodation platform. Strain-measuring platform is mounted inside feet accommodation platform. Apparatus is further equipped with sensor for detecting tension force of second cable, position sensor and registering device electrically connected to strain-measuring platform. EFFECT: increased efficiency in exercising, wider operational capabilities and enhanced reliability in operation. 4 cl, 1 dwg