Understanding Pivot Joints

What is the primary function of a pivot joint in the human body?

• To allow movement in multiple planes

• To enable rotational movement

• To restrict movement to one plane

• To provide stability without movement

Which materials are needed to create a simple model of a pivot joint?

• Wooden sticks and rubber bands

• Metal rods and screws

• Cardboard and string

• Plastic or PVC pipes, tape, glue, thread, and scissors

What is the difference between prone and supine movements in the context of pivot joints?

• Prone is when the palm faces upwards, and supine is when it faces downwards

• Prone is when the palm faces downwards, and supine is when it faces upwards

• Prone involves no movement, while supine involves rotation

• Prone is a forward movement, and supine is a backward movement

Which of the following is an example of a pivot joint in machines?

• The hinge of a door

• The rotation of a car wheel

• The rotation of the hands of a clock

• The sliding of a drawer

What is a common example of multiple pivot joints working together?

• The chain of a bicycle

• The gears in a watch

• The blades of a fan

• The keys of a piano