2 results about "Chest muscles" patented technology

A portable chest exercise device includes a cylinder and a first biasing member is which compressible and a second biasing member is which compressible. A selected one of the first biasing member or a selected one of the second biasing member is insertable into the cylinder. A first compression unit is slidably insertable into the cylinder and a first rod is movably coupled to the first compression unit which can be gripped by a respective hand of the user. A second compression unit is slidably insertable into an opposite end the cylinder from the first compression unit and a second rod is movably coupled to the second compression unit which can be gripped by a respective hand of the user. Either the first biasing member or the second biasing member is compressed between the first compression unit and the second compression unit thereby exercising the pectoral muscles of the user.