11-28 Health Entrance ticket stretching

Why do athletes stretch before physical activity?

• To improve their range of motion

• To prevent muscle strains and tears

• To increase their pain threshold

• To elongate their muscle fibers

What are the two kinds of stretching mentioned in the text?

• Collagen and elastin

• Elastic and viscoelastic

• Dynamic and static

• Skeletal and muscular

What is the purpose of the elastic proteins in the tissues surrounding the muscle fibers?

• To prevent muscle injuries

• To increase the muscle's temperature

• To provide strength to the muscle

• To allow the muscle to contract and relax

What is the smallest contracting unit of muscle tissue called?

• Elastin

• Collagen

• Tendon

• Sarcomere

How does muscle resistance to stretching change with each 30 second stretch?

• It decreases

• It increases

• It fluctuates

• It remains the same

How long do the benefits of stretching last without further activity?

• 1 hour

• 10 minutes

• 30 minutes

• 2 hours

What is required to permanently improve flexibility in skeletal muscles?

• Frequent stretching

• Increased muscle temperature

• Long-distance running

• Additional sarcomeres

How frequently should one stretch to improve overall flexibility?

• 10 minutes a day for two months

• 30 minutes a day for one month

• 1 hour a day for two weeks

• 2 hours a day for one week

What happens to the pain threshold with frequent stretching?

• It decreases

• It remains the same

• It fluctuates

• It increases

What are the potential benefits of long-term improvements in flexibility?

• Reduced risk of muscle injury

• Increased muscle strength

• All of the above

• Improved joint mobility