Benefits of Physical Activity Knowledge Check-U4L1

Choose THREE things you can improve by regular physical activity.

• Respiratory function

• Heart strength

• Bone density

• Juggling skills

Answer explanation

Regular physical activity enhances respiratory function by improving lung capacity, strengthens the heart by increasing its efficiency, and boosts bone density, reducing the risk of osteoporosis. Juggling skills are not directly improved by exercise.

Choose THREE things that would be considered regular physical activity.

• Walking a dog

• Walking to school

• Watching a movie

• Eating breakfast

• Riding a bicycle

Answer explanation

Walking a dog, walking to school, and riding a bicycle are all forms of regular physical activity that involve movement and exercise, unlike watching a movie or eating breakfast, which are sedentary activities.

Choose THREE aerobic activities.

• Running

• Swimming

• Basketball

• Counting sheep

Answer explanation

Running, swimming, and basketball are all aerobic activities that increase heart rate and improve cardiovascular fitness. Counting sheep is not an aerobic activity.

Which of these is an impact activity?

• Chin-ups

• Walking

• Swimming

Answer explanation

Walking is considered an impact activity because it involves weight-bearing movement, which impacts the joints and bones. In contrast, chin-ups, swimming, and juggling are either non-weight-bearing or have minimal impact.

The CDC recommends that young people plan to be active at least _____ hour(s) per day.

• Two

• Four

• One

• As many as their pet hamster

Answer explanation

The CDC recommends that young people engage in at least one hour of physical activity each day to promote health and well-being. Therefore, the correct answer is 'One'.

Choose the THREE activities that the CDC recommends young people perform at least 3 days per week.

• Heart strengthening

• Bone strengthening

• Aerobic

• Playing video games

Answer explanation

The CDC recommends that young people engage in aerobic, heart strengthening, and bone strengthening activities at least 3 days a week to promote overall health and fitness.

Which of the following is a benefit of regular physical activity?

• Improved sleep quality

• Increased screen time

• Decreased energy levels

Answer explanation

Regular physical activity is known to enhance sleep quality by helping to regulate sleep patterns and reduce insomnia. In contrast, increased screen time and decreased energy levels are not benefits of physical activity.

Identify the activity that is not typically considered aerobic.

• Jogging

• Yoga

• Cycling

• Eating ice cream

Answer explanation

Eating ice cream is not an aerobic activity, as it does not involve sustained physical exertion. In contrast, jogging, yoga, and cycling are all forms of aerobic exercise that increase heart rate and improve cardiovascular fitness.

Which of the following activities primarily strengthens bones?

• Weight-bearing exercises

• Cycling

• Eating ice cream

Answer explanation

Weight-bearing exercises, such as running or weightlifting, force your bones to work against gravity, which helps to strengthen them. In contrast, cycling is non-weight-bearing, and eating ice cream does not contribute to bone strength.

What is a common characteristic of aerobic exercises?

• They require oxygen for energy

• They focus on muscle building

• They are always high-intensity

• They are performed while juggling flaming torches

Answer explanation

Aerobic exercises are characterized by their reliance on oxygen to generate energy. This distinguishes them from anaerobic exercises, which do not primarily use oxygen and focus more on short bursts of high-intensity activity.