MCQ 61
Which of the following actions primarily involves the hamstring muscles?
A) Kicking a ball
B) Running
C) Bending the knee
D) Both B and C
Answer: D) Both B and C
Explanation: The hamstrings are responsible for knee flexion and play a crucial role in running and kicking actions.
MCQ 62
Which of the following is NOT a function of skeletal muscles?
A) Maintaining posture
B) Producing movement
C) Hormonal secretion
D) Generating heat
Answer: C) Hormonal secretion
Explanation: Skeletal muscles do not produce hormones; their functions include movement, posture, and heat generation.
MCQ 63
What is the role of the central nervous system in movement?
A) Generate energy
B) Process sensory information
C) Control muscle contractions
D) Both B and C
Answer: D) Both B and C
Explanation: The central nervous system processes sensory input and controls muscle contractions to coordinate movement.
MCQ 64
What type of muscle fibers are best for explosive movements like sprinting?
A) Slow-twitch
B) Fast-twitch
C) Intermediate
D) Cardiac
Answer: B) Fast-twitch
Explanation: Fast-twitch fibers contract quickly and powerfully, making them ideal for short bursts of intense activity like sprinting.
MCQ 65
What is the primary function of the intercostal muscles?
A) Support the spine
B) Aid in breathing
C) Stabilize the pelvis
D) Flex the elbow
Answer: B) Aid in breathing
Explanation: Intercostal muscles help expand and contract the rib cage during inhalation and exhalation.
MCQ 66
Which type of muscle contraction occurs when the muscle shortens while producing force?
A) Eccentric
B) Isometric
C) Concentric
D) Isokinetic
Answer: C) Concentric
Explanation: Concentric contraction occurs when a muscle shortens while generating force, such as lifting a weight.
MCQ 67
What is the purpose of warm-up exercises?
A) Increase flexibility
B) Reduce injury risk
C) Improve performance
D) All of the above
Answer: D) All of the above
Explanation: Warm-up exercises increase blood flow, improve flexibility, and reduce the risk of injury while enhancing performance.
MCQ 68
Which type of joint permits the greatest range of motion?
A) Hinge joint
B) Pivot joint
C) Ball-and-socket joint
D) Saddle joint
Answer: C) Ball-and-socket joint
Explanation: Ball-and-socket joints allow for movement in multiple directions, providing a wide range of motion.
MCQ 69
What is the primary role of the deltoid muscle?
A) Flex the elbow
B) Rotate the shoulder
C) Abduct the arm
D) Extend the wrist
Answer: C) Abduct the arm
Explanation: The deltoid muscle is primarily responsible for the abduction of the arm at the shoulder joint.
MCQ 70
Which muscle is commonly known as the “calf muscle”?
A) Tibialis anterior
B) Soleus
C) Gastrocnemius
D) Quadriceps
Answer: C) Gastrocnemius
Explanation: The gastrocnemius is the large muscle in the calf that helps with walking, running, and jumping.
Leave a comment