Your body always has muscle even if you don't exercise cause everyday events still exercise your arm. Therefore your arm will always have muscle. Age also has to play into this you can only get so weak.....
This could be purely genetic. You may also be doing things that involve using your muscles and bulking up your muscles and you are not even noticing that you are doing those things.
so you dont pull a muscle
You lose muscle tone and general physical good health.
so they both have the same amount of strength and muscle tone
Regular exercise strengthens your heart muscle by increasing its efficiency, allowing it to pump blood more effectively with each beat. It also improves circulation, which reduces strain on the heart. Additionally, exercise can lower blood pressure and cholesterol levels, further promoting heart health.
During exercise muscle cells use oxygen.
To help in muscle recovery by rebuilding damaged muscle tissue from exercise
Yes. Strenuous exercise can kill the muscle fibers. Such muscle fibers are replaced by fibrous tissue.
exercise
The primary muscle intended for exercise.
Yes, exercise is the key to keeping muscle tone. If you lose weight and don't exercise you will also lose your muscle in the process.
Exercise causes your muscle cells to widen and grow so that that muscle becomes bigger and stronger.
Muscle strength is most often increased through repeated use of the muscle or exercise. Muscle strength can also be increased with a combination of exercise and diet that includes protein.