Abstract: The present invention features a a muscle strengthening exerciser to be worn at specific parts of the body. This inventive muscle strengthening body frame apparatus can be worn on isolated body parts as non-apparel items for direct longitudinal resistive forces exerted on the body part of the wearer during movement. The apparatus comprises a frame assembly consisting of a first and second portions which are joined together by a resistance bar. The resistance bar provides the resistive forces providing muscular activity to adjacent body parts.