The cause is frequently unknown. Hypertrophic cardiomyopathy is often and dilated cardiomyopathy in a third of cases, is inherited from a person's parents. Dilated cardiomyopathy may also result from alcohol, heavy metals, coronary heart disease, cocaine use, and viral infections.
Consider the number of reps. You can also confuse your muscles by increasing or decreasing the number of repetitions you do during any given exercise. For example, if you normally do 12 repetitions, do 15 or 18 repetitions, but with a lower weight than you would normally use.
So, what is muscle atrophy and what can be done to reverse it? Muscle atrophy is the loss or decrease of muscle mass. The synonyms for it are muscle wasting, muscle loss, muscle catabolism, muscle withering. The cause of muscle atrophy are a lack of use of the muscle or a disruption of the nerve signals to the muscle. It is seen in many conditions, especially with cachexia in cancer and HIV/AIDS. The cure for muscle atrophy is using the muscle, most easily through exercise and being active in normal daily activities.