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Chapter 8 – Body Movement

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Introduction

With age, human body movements change. When you were small and did not know how to walk. You crawled. You might have observed that you do different body movements every day. In this chapter, you are going to learn about the human body and its movements. You will also learn about the gait of animals.

We do different body movements in our daily life. For example, dancing, jumping, running, etc. Do you know how we can perform these body movements? We do it with the help of joints, muscles, and our skeleton system.

Have you observed animals, insects, fishes, and birds? They all use a variety of gait movements. We will learn about the different gaits of animals in this chapter.

In the Body movements Class 6 chapter, you will learn about joints in the human body. These joints help in easy body movements. For each of our joints, we have a round-edge bone. This bone connects two bones through the cavity. This connection is called Balls and Socket Joints. Without this, body movement in different directions is not possible. For example, our shoulder and upper arm are joined through balls and socket joints.

Importance of Joints 

Joints play an important role in the human body. It is where two different body parts connect. Let’s learn about some joint type.

  1. Pivotal Joints: It is similar to a ball placed on a stick. With this joint, you can move your body in an up, down, right, and left direction. Wrist rotation is an example of pivot joints.
  2. Hinge Joints: This joint type allows body movements only in the forward and backward direction. Knee joints are an example of hinge joints.
  3. Fixed Joints: In this type, two bones connect with one joint, but you cannot move them. An example is the movement of the lower jaw, where the upper jaw is always fixed.

Skeleton is a defined framework that has multiple bones in a fixed order. The Skeleton system provides a shape and structure to our body. It has a skull, backbone, ribcage, and chest bone—also, shoulder plates, hip bone, leg, and arm bones. Muscles are part of the skeletal system. It helps in body movement. In human beings, it is attached to the bone. In animals such as earthworms, it is not attached. 

Another important element is the cartilage. It is a soft bony muscle that you can bend. It is found in your ear’s upper part.

Animals have different movement patterns because of the different skeletal structures. The different movement patterns are known as the gait of animals. Let’s discuss a few of them.

  1. Earthworm: It has no internal skeleton. The complete body is made up of rings. Their muscles are also attached to rings at each end. Earthworm’s skin has tiny sticky bristles. They move on the ground with the help of muscle extension and contraction.
  2. Snail: Snails have a crawling movement. Snails use mucus to move on the ground. They move with the help of foot muscular contraction. Snails move forward with the help of a strong wave.
  3. Cockroach: It has a hard skeleton outside. It is joined by multiple units. It has two pairs of wings attached to its breast that are used for flying. It also has three pairs of legs for walking.
  4. Fish: Fish has a sleek body and low resistance that helps in swimming. Their tail fins allow them to get small jerks and change direction in the water. Other fins support them for swimming.
  5. Birds: They have a bony muscular skeleton. This helps them in flying. Their internal bones are hollow. They also have forelimbs that later become wings. Birds also have hind limbs. It is used for perching and walking.

Snakes do not have a lot of bones and legs. They take complete support of their long backbone to move in loops. The main supporter in their motion is their muscles. Muscles link their backbone, skin, and ribs. When they push their body forward, the body creates many curves. So, it has a zigzag body movement.

Body Movements Class 6 chapter is all about human and animal species anatomy. Moreover, you learn about human beings and animal species, skeletal systems, bones, joints, and muscles. You understood the importance of joints in the human body and its movements. Furthermore, you also learned about the gait of animals.

1. What are body movements?

It is an ability to move body parts for any action to other body parts.

2. What do you mean by movement class 6? 

It is an act to change position from one place to another.

3. What are muscles for Class 6? 

Muscles are a group of tissues. It may or may not be attached to bones. It helps in the contraction and expansion of a joint in the human body.

4. What is a rib cage for Class 6? 

A rib cage is a type of bony structure. It is made up of 24 ribs that are in 12 pairs. It protects internal body organs. Example: our heart and lung.

5. What are the four types of movement? 

The four types of movements are walking, running, skipping, and jumping.

6. What are the seven functional movements?

The seven functional movements are; pull, push, squat, lunge, hinge, rotation and gait.

At MSVgo, we aim at the children’s better understanding of concepts. Get more details on Science Chapter 8 topic Body Movement of Class 6, download the MSVgo app from the iOS App Store/ Google Play Store.

High School Physics

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Middle School Science

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  • Weather, Climate And Adaptations Of Animals To Climate
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Middle School Math

  • Addition
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  • Heavy and Light
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  • Long And Short
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