Mitochondrial myopathies are a group of neuromuscular diseases caused by damage to the mitochondria which are small, energy-producing structures that serve as the cells' power plants..
Report Abuse. To increase the size or bulk of your muscles you need to do resistance work. That is usually lifting weights or doing body weight exercise. While boxing tones and defines your muscles it is not going to give you a gain in the size of the muscles.f you're doing boxing training to increase muscle and don't plan on competing then yes it'll definitely help you to trim up and build muscle especially if incorporating it with a weight training program. Good luck! Source(s): James Â· 7 years ago.
Physical Conditioning. This part is real simple. You need to do nothing more than these basic tips to increase your overall physical endurance for boxing. Run 5 miles a day AT LEAST 3-5 days out of the week. Donât run less than five miles and donât burn yourself out by running everyday of the week.