What is voluntary muscle? Explain how to study human anatomy, locations, English, etc. with human anatomy diagrams

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In this article, I will explain effective study methods in human anatomy.

In human anatomy, it is necessary not only to memorize the names of various organs, muscles, and bones, but also to remember where they are located in the body. Therefore, it is necessary to learn as efficiently as possible.

This time, I will explain how to study “voluntary muscles.”

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Learning using anatomy apps

The anatomy application allows you to view a selection of anatomy 3D models. In this model, there are various observation methods such as surfaces, cross-sections, and nervous systems.

1. Location of voluntary muscles

Voluntary muscle mainly corresponds to skeletal muscle and extends to various parts of the human body. These muscles attach to bones and enable movement by moving bones and joints.

For example, the upper limbs have biceps and deltoid muscles, and the lower legs have quadriceps femoris and hamstrings. The latissimus dorsi muscle of the back and the pectoralis major muscle of the chest are also typical voluntary muscles.

One characteristic of voluntary muscles is that they can be controlled consciously. This enables everyday activities such as walking, lifting movements, and facial changes.

With motor nerves, it receives commands from the brain and can operate quickly and accurately. Since voluntary muscles extend throughout the body and perform diverse functions, an anatomical understanding of them is very important.

(The image shows the pectoralis major muscle, which is an example of voluntary muscle)

2. Constitutive muscles of voluntary muscles

Voluntary muscles are mainly composed of muscle tissue called striated muscle. Striated muscle is made of long, thin cells called muscle fibers in bundles, and stripes can be seen when observed with a microscope, so they are called this way. Muscle fibers are further composed of fine structures called myofibrils, and proteins called actin and myosin are the main components.

When these proteins slide together, muscle contraction is performed, making exercise possible. Myofibrils are also divided into units called sarcomeres, which are the basic units for muscle contraction/relaxation. Connective tissue and blood vessels surround muscle fibers to supply nutrients and remove waste products.

Building voluntary muscles is extremely complex, but their function is essential for exercise and daily movements.

3. Major nerves in voluntary muscles

The movement of voluntary muscles is controlled by motor nerves. Motor nerves transmit commands from the brain and spinal cord to muscles, enabling conscious movement. What are motor nerves

It descends from the brainstem or spinal cord and reaches the muscles via nerve fibers. These nerve fibers follow a path called the pyramidal tract, and in particular, they receive commands from the motor cortex of the brain.

Motor nerves use choline esterified neurotransmitters (e.g. acetylcholine) to send signals through synapses to muscle fibers. There are specific motor nerves for different muscle groups, such as latissimus dorsi and quadriceps femoris.

This makes it possible to exert precise movement and strong power. Nerve control of voluntary muscles also plays an important role in rehabilitation, sports medicine, and neurological disease treatment.

Specific study methods using apps

I will explain specific study methods using human anatomy applications.

Check your past learning history and practice repeatedly

Here are the steps to check your anatomy learning history and practice iteratively effectively.

1. Check your learning history in the app

Reviewing your learning history with the application is an important step in effectively advancing anatomy learning. First, launch the app and go to the learning history section from the main menu. Many anatomy apps are designed to show your progress in the form of graphs and lists, so you can visually check which parts you've learned about and how much time you've spent.

By using this data, you can understand which areas you have strengths in and where you need to spend more time and effort. We also recommend using a dedicated tag or notebook function to mark areas you are particularly weak at or where you need to relearn. Regularly checking your learning history and looking back on past learning content will lead to efficient review and deepening understanding.

2. Make a plan for iterative learning 

Making an efficient repetitive learning plan based on learning history is extremely effective in promoting knowledge retention. First, identify weak points and areas where you need to relearn. Next, arrange these study items into a weekly or monthly calendar and create a specific study schedule. By proceeding in a planned manner, you can learn each part evenly and avoid packing in a large amount of information at once.

Using a task management app or digital calendar to set study reminders is effective. Also, it's important to have the flexibility to regularly review progress and revise plans as needed. By having goals and proceeding with your studies in a planned manner, you can efficiently acquire anatomical knowledge.

3.Use 3D features to learn visually

By utilizing the 3D function, learning anatomy is easier to understand visually. The 3D model shows the structure of the human body three-dimensionally, and each part can be observed in detail. This makes it possible to intuitively grasp positional relationships between deep muscles and organs that are difficult to capture in a planar view. For example, you can learn even the smallest details by rotating specific muscles and bones and zooming in and out.

Also, there are many apps that have the function of displaying cross-sectional views of each part using a 3D model, which is useful for deepening understanding of internal structures. This diversity of visual information helps with memory retention and improves immediate responsiveness in tests and practice situations. By utilizing the 3D function and learning visually, you can learn anatomy knowledge more deeply and efficiently.

Use the memo function concretely

Make notes so you don't forget the things and points you've noticed while studying. The memo function can be used for different purposes, such as inputting text, saving images, and writing memos. Tag your notes to make them easier to review later.

Test your learning regularly in the form of quizzes

Regularly testing what you've learned in a quiz format is a very effective way to anchor your anatomy knowledge. Quiz-style tests help you objectively grasp your level of understanding and areas you lack while repeating knowledge.

For example, by using a learning app to conduct quizzes every specific period, you can reconfirm what you've learned and strengthen your memory. There are a wide range of quiz formats, such as multiple choice questions, fill-in-the-blank questions, and short answer questions, and each helps understanding from a different angle and develops the ability to utilize various types of knowledge.

Get feedback

If possible, get feedback from other learners and experts. It helps you find your own gaps in understanding and areas for improvement. You can also keep yourself motivated to learn by regularly testing yourself. Feeling a sense of accomplishment and progress increases motivation for continuous learning.

summary

This time, I explained how to study “voluntary muscles” using applications!

Thank you for reading this far.

I would be happy if reading this article helped you learn about anatomy.

Learning is a long, never-ending journey, but I sincerely wish you all the best. Let's continue to study together and work hard for the national exam!

Please look forward to the next blog.

teamLab Body Pro Free Download

A 3D anatomy app that shows all the structures of the human body
Download teamLab Body Pro here!

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