Understanding Hinges and Hinge Joints

The video tutorial explains the concept of hinges using a door as an example, highlighting their function in allowing movement. It draws a parallel between door hinges and hinge joints in the human body, such as the knee and elbow. An activity involving a paper cylinder and pencil is used to demonstrate the back-and-forth movement characteristic of hinge joints. The tutorial concludes with examples of hinge joints in the body.

What is the primary function of hinges as described in the video?

• To keep the door closed

• To allow the door to move back and forth

• To decorate the door

• To make the door heavier

How are hinge joints in the human body similar to door hinges?

• They are used for decoration

• They allow rotational movement

• They are fixed and do not move

• They enable back-and-forth movement

What materials are used in the activity to demonstrate hinge joint movement?

• A chart paper and a pencil

• A piece of wood and a nail

• A metal rod and a screw

• A plastic tube and a stick

What type of movement does the paper cylinder allow in the activity?

• Circular movement

• Side-to-side movement

• Back-and-forth movement

• No movement

Which of the following is an example of a hinge joint in the human body?

• Shoulder

• Neck

• Knee

• Hip