Chapter 9 – Improving Your Physical Fitness – Flashcards
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Define exercise
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planned, structured, and repetitive movement
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The ability to perform moderate to vigorous physical activities on a regular basis and to complete daily tasks without undue fatigue demonstrates ________________
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physical fitness
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Aerobic literally means
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with oxygen
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The ability of the heart, lungs, and blood vessels to supply oxygen to skeletal muscles during sustained physical activity is
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cardiorespiratory fitness
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The fitness of a person's cardiorespiratory system is assessed by measuring
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the volume of oxygen the muscles consume during exercise
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Swimming, cycling, and jogging are examples of
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aerobic activities
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Muscular strength is the amount of force
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a muscle is capable of exerting in one contraction
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Muscular endurance is a muscle's ability to
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exert force repeatedly or to sustain a contraction for a length of time
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Which of the following describes the most common method used to measure muscle strength?
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maximum weight that can be moved at one time
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Regular exercise reduces the risk for cardiovascular diseases by
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improving blood flow and strengthening the heart muscle
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Aerobic capacity is measured by
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VO2 max
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The range of motion possible at a particular joint or series of joints is
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flexibility
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Which of the following changes could an individual expect from participating in regular aerobic exercise? - increase in HDLs - increase in LDLs - increase in triglycerides - increase in total cholesterol
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increase in HDLs
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Which of the following is true regarding exercise and cancer? - exercise appears to reduce the risk of breast cancer but not colon cancer - exercise appears to reduce the risk of colon cancer but not breast cancer - exercise appears to reduce the risk of breast and colon cancer - exercise has no effect on breast cancer or colon cancer
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exercise appears to reduce the risk of both breast and colon cancer
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Bridget suffers from a disease characterized by low bone mass and deterioration of bone tissue, which increases her risk of fractures. Which disease does she have?
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osteoporosis
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Regular exercise has been associated with improved mental health, which is attributed to its ability to increase
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endorphins
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Vigorous exercise has been shown to burn off chemical byproducts released by the body's response to
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stress
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Exercise frequency refers to
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the length of time or number of repetitions to be completed in one workout session
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Exercise intensity refers to
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how difficult the workout must be to attain the desired level of fitness
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The talk test is used to measure the
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intensity of exercise
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The maximum heart rate for John, who just turned 20 years old would be
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200
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The easiest way to check to make sure you are walking or running with enough intensity to improve cardiorespiratory fitness is to
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use the talk test
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The maximum amount a person can life in one contraction is a measurement known as
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one repetition maximum (1 RM)
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Muscular strength is best developed by
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overloading the muscles to force them to adapt
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When training all major muscle groups in a single strength-training workout, a person should complete
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large-muscle group exercises before small-muscle group exercises
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During a strength training workout, a rest period of how many minutes for a particular muscle group is recommended between sets?
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2 to 3 minutes
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Which of the following activities, performed three times a week, will be most effective at increasing your cardiorespiratory fitness? - bowling - swimming - weight lifting - golfing
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swimming
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Increasing the strength by regularly creating a degree of tension in the muscles greater than they are accustomed to is
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overloading the muscles
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Billy just completed an intense resistance-training workout. How long should he wait before his next weight training workout to allow his muscles to rebuild and recover?
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24 to 48 hours
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The FITT principle for muscular endurance and strength includes resistance training
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2 to 3 days per week
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Thea is a swimmer. To improve her stroke performance, she concentrates mainly on her upper body when weight training. Her training method is an example of
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specificity
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Carlos uses barbells for strength training; the barbells create which type of resistance?
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Fixed
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Which type of stretching slowly and gradually lengthens muscles and tendons
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static stretching
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Which of the following forms of exercise includes a component specifically designed to increase strength?
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pilates
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The body's core muscles are the foundation for all movement and include
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deep back, abdominal, and hip muscles
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Strong core muscles can
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improve posture and prevent back pain
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Performance-enhancing drugs that are synthetic versions of the synthetic versions of the hormone testosterone are
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anabolic steroids
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A potentially fatal dilution of sodium concentration in the blood that results from overconsumption of water is
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hyponatremia
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Walk broke his leg during a football game. What type of injury is this?
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traumatic
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The best fluid to drink during a 45-minute exercise session is
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plain water
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Which of the following best describes a way to prevent overuse injuries?
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vary your fitness activities throughout the week
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An acronym for the standard first-aid treatment for fitness-related injuries is
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RICE rest ice compression elevation
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Nellie just sprained her ankle playing basketball. How often should she ice her injury?
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20 minutes every hour for the first 24 to 72 hours
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Which of the following would be an example of using the "C" component of the RICE principle for injury treatment?
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wearing a compression bandage
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A pain in the from part of the lower leg that can be due to more than 20 different medical conditions is commonly know as
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shin splints
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The least serious heat-related problem that can be prevented by adequate fluid intake is
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heat cramps
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Ryan has been working in his yard on a very hot summer day. He is experiencing nausea, headache, dizziness, faintness, and the chills. Ryan is most likely suffering from
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heat exhaustion
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A potentially fatal condition resulting from abnormally low body core temperature is
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hypothermia
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Why is ice applied to an exercise injury?
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To relieve pain and reduce bleeding
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How is regular exercise beneficial for joints?
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it increases range of motion
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(T/F) Most Americans are sufficiently active for optimal health
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FALSE
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(T/F) Exercise will improve the quality of your life but will not increase the duration of your life
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FALSE
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(T/F) Exercise is a type of physical activity that is planned, structured, and repetitive
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TRUE
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(T/F) Intensity as part of the FITT principle refers to the duration of a workout or activity
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FALSE
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(T/F) Research suggests that exercising 120 minutes per week while eating fewer calories and less fat could prevent or delay the onset of type 2 diabetes
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FA:SE
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(T/F) The amount of reduction in breast cancer risk due to exercise depends on the longevity of exercise habits
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TRUE
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(T/F) Regular physical activity reduces the risk of metabolic syndrome
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TRUE
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(T/F) A person's metabolic rate is elevated for several hours after a vigorous workout
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TRUE
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(T/F) Regular physical activity has been noted to increase stress, resulting in a negative impact on mental health
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FALSE
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(T/F) Aerobic capacity determines the functional status of the cardiorespiratory system
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TRUE
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(T/F) Target heart rate refers to the maximum heart rate you can achieve during exercise
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FALSE
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(T/F) The amount of rest between exercise sessions is not important in regard to effective strength-training
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FALSE
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(T/F) The effects of strength training are specific to the muscles exercised
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True
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(T/F) Flexibility refers to the ability to move rapidly on demand
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FALSE
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(T/F) The safest exercises for improving flexibility involve the stretch-and-bounce movements
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FALSE
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(T/F) The array of stretching exercises associated with yoga are called asanas, or postures
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TRUE
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(T/F) At least five minutes of your workout should be devoted to warming up; cooling down and stretching at the end of your workout are optional
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FALSE
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(T/F) Traumatic injuries occur because of cumulative, day-after-day stresses placed on body parts.
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FALSE
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(T/F) If pain is felt on the ball of the foot, at the heel, or both, the problem might be plantar fasciitis
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TRUE
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(T/F) If you strain a muscle during exercise, you should put a heat pack on it when you get home to ease the pain and promote healing
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FALSE
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(T/F) Elevation of an injured limb means to raise the affected area to a level above the heart.
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TRUE
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(T/F) To become accustomed to working out in heat more quickly, you should wear extra layers of clothing and exercise during the hottest part of the day
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FALSE
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(T/F) Hypothermia only occurs if you're exposed to temperatures below freezing
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FALSE
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(T/F) IT is equally important to consume sufficient amounts of fluids in both hot and cold environments
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TRUE
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(T/F) The ability to perform moderate to vigorous levels of physical activity on a regular basis without excessive fatigue constitutes physical fitness
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TRUE
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(T/F) Physical activity incorporates all body movements produced by the skeletal and cardiac muscles that result in increased energy expenditure
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FALSE
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(T/F) Flexibility is the range of motion possible at a particular joint or series of joints
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TRUE
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(T/F) Body composition is the relative proportions and distribution of fat and lean tissue in the body
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TRUE
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(T/F) An elliptical trainer (also called an elliptical machine) is a stationary exercise machine that permits walking or running on a moving surface
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TRUE
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(T/F) An inflatable ball made of burst-resistant vinyl that can be used for strengthening core muscles or to improve flexibility is called a medicine ball
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FALSE
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(T/F) A pedometer is a battery-operated device that measures the number of steps a person takes
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TRUE
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(T/F) Heat exhaustion is a deadly heat stress illness that occurs when the body's heat production significantly exceeds its cooling capacities and core body temperature rises to dangerous levels.
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FALSE
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(T/F) Involuntary muscle contractions that occur during or following exercise in hot and/or humid weather are called heat cramps
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TRUE
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(T/F) The term adaptability means that if you stop exercising, the body responds by deconditioning
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FALSE
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(T/F) Regular exercise increases the level of LDL or "good" cholesterol
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FALSE
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(T/F) Tai chi is a system of exercise that originated in China that involves performing a series of flowing movements and positions known as forms
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TRUE
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(T/F) Injuries that occur as a result of cumulative, repeated stresses on tendons, muscles, and joints are overuse injuries
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TRUE
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(T/F) Yoga is a system of exercise that originated in India that includes movements that improve flexibility, strength, and posture; all of its various forms include time spent in mediation
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FALSE
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(T/F) Pilates is a system of exercise developed in the 1920s that combines stretching with movement agains resistance provided by devices and equipment using tension springs, bands, and pulleys
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TRUE
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(T/F) After a large meal, it is best to wait at least 2 hours before excrescent to avoid stomach upset, cramping, or diarrhea
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FALSE
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List health benefits of regular physical activity
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- reduced risk of cardiovascular disease - reduced risk of metabolic syndrome and type 2 diabetes - reduced cancer risk - improved bone mass and reduced risk of osteoporosis - improved weight management - improved immunity - improved mental health - improved stress management - longer life span
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List the five health-related components of physical fitness
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- cardiorespiratory fitness - muscular strength - muscular endurance - flexibility - body composition
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List the six skill-related components of physical fitness that are also known as sport skills
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- agility - balance - coordination - power - speed - reaction time
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Lack of time is an often-cited reason for not engaging in more physical activity. List the three ways to fit more exercise into your schedule
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- look at schedule to find a few 30-minute time slots for exercise. Even shorter periods of activity throughout the day can be beneficial - Multitask by reading or listening to lectures or podcasts while walking or using exercise equipment - Do something active during lunch or study breaks - select activities that require less time, such as brisk walking or jogging - ride a bike to class, to see friends, or to do errands - park your car or exit public transportation farther from your destination and walk the extra distance