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CH 6: Human Locomotion

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Questions and Answers

What is the main function of tendons in the body?

To convert muscle contraction into bone movement

How do tendons contribute to energy efficiency during locomotion?

By storing and releasing energy

What is the role of antagonistic muscles?

To work in opposition to each other

How do antagonistic muscles enable smooth and controlled movements?

<p>By one muscle contracting while the other relaxes</p> Signup and view all the answers

What is the primary function of cartilage at joints?

<p>To facilitate smooth and efficient movement</p> Signup and view all the answers

How does cartilage help protect bones within a joint?

<p>By forming the joint capsule</p> Signup and view all the answers

What is the composition of tendons?

<p>Fibrous connective tissue</p> Signup and view all the answers

What is the function of the biceps and triceps in the arm?

<p>To control the bending and extending of the elbow joint</p> Signup and view all the answers

What is the primary function of bones in human locomotion?

<p>To provide structural framework and support</p> Signup and view all the answers

Which type of joint enables a wide range of movements such as bending, twisting, and extending?

<p>Synovial joints</p> Signup and view all the answers

What is the primary role of ligaments in joints?

<p>To provide stability and prevent excessive movements</p> Signup and view all the answers

How do bones resist deformation under stress during activities like running or jumping?

<p>By having significant resistance to deformation</p> Signup and view all the answers

What is the main factor that allows bones to distribute mechanical loads efficiently?

<p>The arrangement of bones in the skeleton</p> Signup and view all the answers

Which of the following does not play a pivotal role in human locomotion?

<p>Nerves</p> Signup and view all the answers

Why do synovial joints have a cavity filled with fluid?

<p>To aid in smooth movement and reduce friction</p> Signup and view all the answers

Why are bones critical for locomotion?

<p>To facilitate support and the ability to bear weight</p> Signup and view all the answers

What is the primary function of ligaments in joints?

<p>To provide stability to the joints by preventing excessive movements</p> Signup and view all the answers

How do synovial joints enable a wide range of movements?

<p>By featuring a cavity filled with fluid that aids in smooth movement</p> Signup and view all the answers

What is the main role of joints in locomotion?

<p>Connect bones and allow for their movement relative to each other</p> Signup and view all the answers

How do ligaments contribute to maintaining proper alignment of joints?

<p>By providing stability to the joints</p> Signup and view all the answers

What is the purpose of bones being designed to have resistance to deformation under stress?

<p>To provide support even during activities involving heavy loads</p> Signup and view all the answers

What role do tendons play in muscle contraction and bone movement?

<p>They act as a mechanical link between muscles and bones to ensure precise and effective movements.</p> Signup and view all the answers

How do antagonistic muscles facilitate smooth and controlled movements?

<p>By coordinating their contraction and relaxation, creating a balanced force on the joint.</p> Signup and view all the answers

What is the primary function of cartilage in joints?

<p>To reduce friction and distribute loads evenly across the joint.</p> Signup and view all the answers

How do tendons contribute to energy efficiency during locomotion?

<p>By storing and releasing energy, particularly in activities like running.</p> Signup and view all the answers

Which of the following does not play a pivotal role in human locomotion?

<p>Liver</p> Signup and view all the answers

What is the main function of ligaments in joints?

<p>To connect bones to other bones and provide joint stability.</p> Signup and view all the answers

Why do synovial joints have a cavity filled with fluid?

<p>To reduce friction and cushion the joint.</p> Signup and view all the answers

How does cartilage help protect bones within a joint?

<p>By reducing friction and distributing loads evenly across the joint.</p> Signup and view all the answers

What is the primary function of tendons in the human body?

<p>Storing and releasing energy during locomotion</p> Signup and view all the answers

In human locomotion, which tissue acts as a cushion to distribute loads evenly across joints?

<p>Cartilage</p> Signup and view all the answers

How do antagonistic muscles contribute to smooth and controlled movements?

<p>By working against each other at joints</p> Signup and view all the answers

Which of the following is NOT a function of cartilage at joints?

<p>Storing energy for muscle contraction</p> Signup and view all the answers

What is the role of the biceps and triceps in human movement?

<p>Controlling bending and extending of joints</p> Signup and view all the answers

How do tendons contribute to reducing the workload on muscles during locomotion?

<p>By storing and releasing energy efficiently</p> Signup and view all the answers

What is the primary function of antagonistic muscles working in pairs?

<p>Enabling controlled movements at joints</p> Signup and view all the answers

How do tendons play a role in energy efficiency during locomotion?

<p>By storing and releasing energy effectively</p> Signup and view all the answers

Which type of joint is least likely to be involved in a twisting motion during locomotion?

<p>Hinge joint</p> Signup and view all the answers

What is the primary function of ligaments in joints during high-impact activities such as running or jumping?

<p>Preventing excessive joint movements</p> Signup and view all the answers

Which component of the locomotor system plays the least significant role in protecting bones within a joint during movement?

<p>Tendons</p> Signup and view all the answers

What is the primary role of the arrangement of bones in the skeleton during locomotion?

<p>Providing structural support for the body</p> Signup and view all the answers

Which type of joint is most resistant to mechanical forces that could separate bones during movement?

<p>Fibrous joint</p> Signup and view all the answers

What is the primary function of synovial fluid in joints during locomotion?

<p>Enabling smooth and controlled movements</p> Signup and view all the answers

Which component of the locomotor system primarily functions to facilitate muscle contraction and bone movement?

<p>Tendons</p> Signup and view all the answers

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