Unit 7 Reflection

In this unit we learned about the different movements of the body and specific vocabulary to describe them. These movements happen at synovial joints. There are angular movements such as flexion and extension and special movements such as elevation and depression. We also learned about how muscles are organized and classified. Muscles are in charge of the movements of bones or fluids and help maintain posture and body posture. They have certain properties that help them with these functions i.e. contractility, extensibility, and elasticity. There are many terms that classify the size, shape, number of origins, and location of the muscles. These are used to identify specific types of muscles. To deepen our understanding we dissected a chicken carcass and identified the different muscles and tendons while relating them to human muscles. In this unit we also discussed how how muscles contract and how an impulse translates though to movement that is driven by the release of calcium and ATP. To illustrate this process, we made a muscle contraction video. To end the unit we went over how muscles develop ,and how specific types of exercises can help muscle health and growth. Muscles have slow twitch and fast twitch fibers. Long duration uses slow twitch while shorter duration exercises use fast twitch. Exercises such as weight lifting can benefit muscles while certain shortcuts can actually cause more harm such as steroids as shown by our satirical advertisement.

Chicken dissection 

Advertisement that shows how the benefits of steroids do not outweigh the health problems that come with it

I enjoyed the different activities and labs in this unit because they helped simplify the complex system of muscles and how they worked. This unit made me more curious about how muscles develop ,and I want to learn more about how muscles are able to carry such large amounts of weight.

My New Year's goals are still in progress and I am currently doing well in staying more organized and being healthy. I feel that my lifestyle has changed ,and I am still working to make it better.