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.
Muscle atrophy can occur after a lack of use, through the normal aging process or due to disease or injury. In many cases, you reverse muscle atrophy with proper exercise and a quality eating plan.Be patient with your progress.It could take years to rebuild full strength and range of motion.f your atrophy is due to disease or injury, consult with your medical team before beginning a muscle-building program. You may also want to consult a certified personal trainer or physical therapist if you are coming to exercise after a long hiatus or for the first time. Step 1.