Las articulaciones

The video tutorial explains different types of joints in the human body, focusing on their movement capabilities. It covers immovable joints like those in the skull and movable joints such as synovial joints, which include pivot, hinge, and ball joints. The tutorial details the specific functions of these joints, such as the rotary motion of pivot joints and the multi-directional movement of ball joints. It also discusses joint injuries, like knee sprains, and the role of synovial fluid in lubricating joints for smooth movement.

What is the primary function of most joints in the body?

• To remain fixed

• To allow movement

• To store minerals

• To produce blood cells

Which type of joint allows movement in only one direction?

• Hinge joint

• Pivot joint

• Fixed joint

• Ball joint

Where are pivot joints located in the human body?

• Between the fingers

• In the spine

• In the wrist

• Between the head and neck

Which joints are considered the most mobile?

• Hinge joints

• Ball joints

• Pivot joints

• Fixed joints

What is the role of synovial fluid in joints?

• To act as a lubricant

• To provide nutrients

• To produce hormones

• To connect bones