Question

What adaptations would you expect to find to the muscle tissues after chronic aerobic training that you may not see with anaerobic training?

Answer 1

Benefits of chronic Aerobic training, they(1) burn fat (2) improve cardiovascular health and fitness (3) improve's the body ability to recover and repair after intense excercise.

Changing the composition of the muscle fibre.

Aerobic excercise mostly relies on slow twitch muscle fibres, which contract slower and at alower intensity.These fibres are important because they allow to do endurance work for long periods of time before fatigue sets in.

--Aerobic training increase the size and number of Type l muscle fibers,which improves endurance performance.

-- Aerobic traning also converts Type llx fibre to Type lla.The llx are fast twitch and found in especially high quantities among sedentary people.They can be recruited quickly for bursts of power and strength, but they are also usually destroyed once used.By converting llx to lla fibres, people can improve fitness and increase the amount of reusable fast twitch muscle fibres.

-- In Aerobic training more oxygen is using .

Flowing of oxygen through the body to the muscle increases in aerobic training.

Oxygen is flowing through the body and to the muscles which result in the production of more blood vessels( to carry oxygen).It also increases the size of blood vessels.

These changes to blood vessels help more nutrients and oxygen get to the muscles and take waste away.All if this supports, recovery and muscle growth.

---More Mitochondria ,More Myoglobin

Aerobic training triggers important metabolic changes in muscle tissue,

including an increase in mitochondria and protein myoglobin.

Mitochondria ,the powerhouse of the cells,are neccessary for creating ATP for energy .Myoglobin, on the other hand brings in the oxygen needed for that process.These changes improve the aerobic capacity of muscles.

---Using More Fat for Energy

All of these changes from aerobic activity lead to a better ability to burn fat.Greater blood flow to the muscle tissue, more oxygen transport,larger numbers of mitochondria,and a jump in the levels of enzymes used to metabolize fat all let muscles to better access fat and burn it for energy.This leads to fat loss throughout the body.

Anaerobic training

--Increases size and quantity of powerful fast twitch fibres..(aerobic- increases slow twitch muscle fibre for better endurance)

---anaerobic activity is short lived compared to aerobic , because of the lack of oxygen.

---anaerobic increases glycolysis,because increase the breakdown of glucose.

---Anaerobic increased Growth Hormone and testosterone.