Major Muscles Essay

Words: 666
Pages: 3
Open Document
The major muscles typically involved in respiration are our diaphragm, external intercostal and internal intercostal muscles. The diaphragm action is to flatten the thoracic cavity. When the diaphragm contracts, it pulls the ribs downward and this increases the internal dimensions and volume of the thoracic cavity. The diaphragm is located above the abdominal cavity and below the ribs and costal cartilages. It reduces our pressure inside our pleural cavities, this is so that air can rush into them and allow us to inhale and breathe properly.
The external intercostal muscles assist the diaphragm in inspiration by helping to raise and spread the ribs. Like the diaphragm, they increase the volume inside the thoracic cavity. Located at the lower …show more content…
Our muscles provide the force and strength to move the body. Coordination is directed by the brain but is also affected by changes in the muscles and joints. Changes in the muscles, joints, and bones affect our posture and walk, and lead to weakness and slowed movement.
Muscles take longer to respond to brain signals as we get older. As a normal course of aging, you begin to lose the muscle fibers that are responsible for making you move quickly. This is why an 88 year old may say “Hey! I can’t get around like I used to.” The speed of transmission of impulses from the brain to the muscles also slows down, so it takes longer to get the signal. Your muscles also can't repair themselves as quickly as they used to, which is due to a decrease in enzyme activities and protein turnover.
For someone experiencing weakness and deterioration in muscle tissue, I would recommend lots of stretching and moderate daily exercise. I would also recommend a well-balanced diet with plenty of calcium and vitamin D. Exercise is one of the best ways to slow or prevent issues with our muscles, joints, and bones. A moderate exercise program can help maintain muscle memory, strength, balance, and over all flexibility in our body. Developing healthy eating habits is essential to maintaining a strong alert body. It is a step in the right direction to feeling like we used
Show More

Related Documents: Major Muscles Essay

Ch. 7 Organization And Divisions Of Cns And Resting Vs. Action Potentials

(resting vs. action potentials) - What makes them excitable - Going from a resting to action potentials (and back to resting) - - KNOW THIS Concentration of major ions at rest (general pattern, not specific #s) Na/K pump - - KNOW THIS Joint (3) & muscle proprioceptors (2) Reflexes and equilibrium Brain structures SKELETAL MUSCLE – Ch. 8 Skeletal muscle structure and microstructure Sarcomere structure Contractile proteins Characteristics of SM - - KNOW THESE - Biochemical properties - Contractile properties…

Words 674 - Pages 3

Essay #2 Proposal

Essay #2 Proposal The first ad that I chose to do is Muscle Milk. Muscle Milk uses a couple key advertisement strategies in their ad. The one that mostly stuck out to me was the fact that they used two well-known all-pro NFL athletes. Using popular stars automatically draws an interest to the public in many ways. Kids might see their role model, and then want the product thinking it will help them be like him. If NFL fans see this ad, they might look more into the product and see if it can benefit…

Words 749 - Pages 3

A Personalised Induction Will Always Be More Effective Essay

In this essay I will try to explain the meaning of hypnosis and its physical and psychological aspects as well as give a brief introduction to the role of relaxation in hypnotherapy. There is no right or wrong definition when it comes to describing or defining the word hypnosis. Some call it a state of mind by which a person is guided into a trance like state, other theories include going into our subconscious mind in order to modify a behaviour, thoughts, or patterns which bring about negative…

Words 2140 - Pages 9

The Skinned Muscle Fibre Is Immersed In The Salt Solution Similar To Intracellular Muscle Cytoplasm

Answer 1 If the skinned muscle fibre is immersed in the salt solution similar to intracellular muscle cytoplasm and also contains Ca2+, the cell membrane of the fibres will become impermeable for small molecules like ATP because the permeability of the cells depend on the concentration of free ionized calcium Ca2+ in cytoplasm. This can be explained with the help of an example. Put the whole muscle fibres in the Ca2+ indicatorfura-2 conjugated to high molecular weight dextran. The fluorescence…

Words 2719 - Pages 11

Blood and Dense Connective Tissue Essay

Essay practice for winter semester test: NOTE: Each class will be given three of the following to pick from: Sofia: 1. Describe the functions of water in the body. Water is vital for life and is an essential nutrient. 1-A primary function of water is to serve as a lubricant. For example, it is found in saliva and is a substantial component in the fluid surrounding joints. Water is also in and surrounding body structures such as the brain, spinal cord and eyes. The water layer helps protect and…

Words 1776 - Pages 8

What's Eating America By Michael Pollan Summary

Synthetic Nitrogen is Eating the Earth Michael Pollan discusses in his essay “What’s Eating America” the two sides of science in correlation to the American diet. He explores his claims through discussing the career of a chemist named Fritz Haber. The first few paragraphs of his article inform the reader about the copious amounts of corn used in food in America. Corn syrup is used in most of the food we eat here in America. Pollan states that, “there are some 45,000 items in the average American…

Words 732 - Pages 3

Refutation paper

Jazmine Menees ENGLISH 111 Refutation Essay No Steroids in Baseball In baseball there has always been a steroid issue. In the years since 2005 the problem has expanded. Many more players are now using these drugs to boost their performance, and many feel that this is acceptable. I think that steroids are products that should be absolutely illegal and no player at any time should be able to use them. Steroids are drugs commonly classified as anabolic, androgenic and corticosteroids. Corticosteroids…

Words 1046 - Pages 5

Obesity and Portion Control Essay

A person who works out vs. A person who doesn’t work out by : Jessica Hughes We all know that exercise makes us feel better but most of us have no idea why? That’s why I’m writing this essay we assume It’s because were burning off stress or reducing muscle tension or boosting endorphins,and we leave it that. The real reason we feel so good when we get are blood pumping is that it makes are blood function at its best, and in my view, this benefit of physical activity is…

Words 1035 - Pages 5

mr Kelly essay

Hunter Taylor 1/6/15 Kelly Mid­Term Essay Out of three books that i have read this year there have been many cultural conflicts throughout each of them but here are three examples of some of the conflicts in each of the books. In the book Absolute True Diary of a Part Time Indian there were many conflicts involving the main character. An example of ones of these conflicts is when Arnold the main character had to switch schools from his school on the Indian Rez to an all white school in a town not far from his…

Words 420 - Pages 2

The Importance Of Writing Assignment

Blake Bryant Mr. Warren English 101 29 September 2014 Essay #1 Throughout elementary school I skated by without doing hardly any writing assignments. I would tell the teacher that I had already turned it in, and they would just say “ok”. The few times I actually did my writing assignments, I didn’t try at all. If each paragraph was required to be ten sentences long, I would make them about five. I would do just enough to pass the assignment but not enough to get a good grade. When I got to middle…

Words 887 - Pages 4