Movement/Joints

What is a joint?

• A joint is used to attach a bone to another bone.

• A joint is a type of fastener used to connect two pieces of wood.
• A joint is a point where two or more bones meet in the body.
• A joint is a type of exercise for the muscles and ligaments.

A ligament...

• A ligament connects muscles to bones.
• A ligament is a type of muscle.
• A ligament is found in the brain.
• A ligament connects bones to other bones in a joint.

A tendon....

• A tendon is a type of bone.
• A tendon is a type of muscle.
• A tendon is a fibrous connective tissue that connects muscle to bone.
• A tendon is a type of nerve.

During anatomy class, Eli, Lilian, and Adrian were discussing the human body. They were trying to understand the difference between a tendon and a ligament. Can you help them?

• A tendon connects muscle to bone, while a ligament connects bone to bone.

• A tendon connects bone to bone, while a ligament connects muscle to bone.

• A tendon is a type of muscle, while a ligament is a type of bone.

• A tendon is a type of nerve, while a ligament is a type of muscle.

The three types of joints are...

• hinge joints, pivot joints, and ball-and-socket joints
• muscular joints, ligamentous joints, and tendinous joints
• skeletal joints, muscular joints, and connective joints
• fibrous joints, cartilaginous joints, and synovial joints

Which of the following configurations allows gliding movements?

• Gliding joint
• Hinge joint
• Pivot joint

• Saddle joint

Andrew was playing basketball and he fell, hurting his wrist. Giselle, who is studying medicine, came to help. She explained that the wrist is what type of joint?

• Ball and socket

• Pivot

• Hinge

• Condylar

What is an example of protraction and retraction?

• Pushing the jaw forward and pulling it back
• Bending the knee and straightening it
• Moving the arm up and down
• Pushing the jaw sideways and pulling it back

Tags

NGSS.MS-PS2-1

What are the two types of muscle contractions?

• concentric and eccentric
• flexion and extension
• voluntary and involuntary
• isotonic and isometric

Why can't our bones move without joints?

• Joints allow for movement and flexibility in our bones.
• Bones are too heavy to move without joints.
• Bones are rigid and cannot bend without joints.
• Joints provide protection to our bones.