Exploring Joints and Muscles

What is an antagonistic pair of muscles?

• Two muscles that perform the same action simultaneously.

• Antagonistic pair of muscles are two muscles that oppose each other's actions.

• Muscles that are located on opposite sides of the body.

• A pair of muscles that work together to enhance movement.

Give an example of an antagonistic pair of muscles.

• Pectorals and deltoids

• Biceps and quadriceps

• Biceps and triceps

• Hamstrings and calves

What type of joint allows movement in one direction only?

• Pivot joint

• Hinge joint

• Ball-and-socket joint

• Saddle joint

Name a hinge joint in the human body.

• Knee joint

• Elbow joint

• Shoulder joint

• Wrist joint

What is the function of a pivot joint?

• The function of a pivot joint is to allow rotational movement.

• To provide stability to the joint

• To connect two bones without movement

• To allow gliding movements

Can you name a pivot joint in the body?

• Hinge joint

• Ball-and-socket joint

• Saddle joint

• neck and skull joint

What type of joint allows for a wide range of movement?

• Hinge joint

• Saddle joint

• Pivot joint

• Ball-and-socket joint

Give an example of a ball and socket joint.

• Knee joint

• Elbow joint

• Hip joint

• Wrist joint

How do muscles work in pairs to create movement?

• Muscles do not need to relax to create movement.

• Muscles push against each other to create movement.

• Muscles work in pairs by contracting and relaxing to create movement.

• Muscles only work individually to create movement.

Why are joints important for movement?

• Joints are only important for posture.

• Joints are primarily for support and stability.

• Joints prevent any movement in the body.

• Joints allow for flexibility and range of motion, enabling movement.