1 The rate at which the unstable radioactive C-14 isotope decays into the stable non-radioactive N-14 isotope, 2  The ratio of C-12 to C-14 found in a given specimen,  And the ratio C-12 to C-14 found in the atmosphere at the time of the specimen's death.
Regaining muscle after atrophy should be done under the guidance of a physician and physical therapist to prevent any further injury, which may result in even greater atrophy. It is important that you consult with a physician to determine the exact reason for your muscle atrophy.ractice patience and start slowly. One of the biggest challenges that you may face while attempting to rebuild muscle is overcoming the realization that your body is not physically capable of the feats it used to be prior to atrophy. You will have to gradually work up to your fitness goals again.
Overview. Muscle atrophy is defined as a decrease in muscle mass. Muscular atrophy, the wasting or loss of muscle tissue, can result either from lack of use (disuse atrophy), from disease (neurogenic atrophy), or from malnutrition.Muscular atrophy caused by lack of use is reversible with appropriate exercise.uscular atrophy, the wasting or loss of muscle tissue, can result either from lack of use (disuse atrophy), from disease (neurogenic atrophy), or from malnutrition. Muscular atrophy caused by lack of use is reversible with appropriate exercise.