|
Definition of Isotonic exercise
1. Noun. Exercise in which opposing muscles contract and there is controlled movement (tension is constant while the lengths of the muscles change). "The classic isotonic exercise is lifting free weights"
Medical Definition of Isotonic exercise
1. Contraction of a muscle, the tension remaining constant. Since the contractile force is proportional to the overlap of the filaments and the overlap is varying, the numbers of active cross bridges must be changing. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)