Human Physiology - Locomotion & Movement

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Q1. Which of the following is the primary muscle responsible for the flexion of the elbow joint? (2021)

Solution:

The biceps brachii is the primary muscle responsible for flexing the elbow joint.

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Q2. Which structure connects muscles to bones? (2022)

Solution:

Tendons are the structures that connect muscles to bones, enabling movement.

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Q3. Which muscle is primarily responsible for the flexion of the forearm at the elbow? (2023)

Solution:

The biceps brachii is primarily responsible for flexing the forearm at the elbow joint.

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Q4. Which of the following muscles is responsible for the flexion of the forearm? (2019)

Solution:

The biceps brachii muscle is primarily responsible for flexing the forearm at the elbow.

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Q5. Which structure connects muscle to bone? (2022)

Solution:

Tendons are the structures that connect muscles to bones, facilitating movement.

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Q6. What type of muscle is responsible for the heartbeat? (2019)

Solution:

Cardiac muscle is responsible for the involuntary contractions of the heart, leading to the heartbeat.

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Q7. Which of the following structures is responsible for transmitting nerve impulses to muscle fibers? (2023)

Solution:

Motor neurons transmit nerve impulses to muscle fibers, initiating muscle contraction.

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Q8. What type of movement is primarily associated with the hip joint? (2019)

Solution:

The hip joint allows for flexion, extension, abduction, adduction, and rotation, making it a versatile joint.

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Q9. What is the term for the process of muscle fibers increasing in size? (2023)

Solution:

Hypertrophy refers to the increase in size of muscle fibers, often as a result of resistance training.

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Q10. What type of muscle tissue is striated and under voluntary control? (2019)

Solution:

Skeletal muscle is striated and under voluntary control, allowing for conscious movement.