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NUR 220 > Physical Fitness > Flashcards

Physical Fitness Flashcards

1
Q

Fitness

A

150 minutes of physical activity is recommended for adults each week.

In 2012, less than 25% of American adults met exercise recommendations.

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2
Q

The Body in Motion

A

Physical movement involves the functioning of the muscular and skeletal system.
Skeletal muscles provide shape, support, and movement.
Skeletal muscle contains hundreds of muscle cells called muscle fibers.
When muscle fibers contract, they shorten, causing movement.

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3
Q

Tendons

A

connect muscles to bones

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4
Q

Joints

A

where bones come together

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5
Q

Ligaments

A

hold bones together at the joints

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6
Q

Circulatory and Respiratory Systems

A

Heart and lung functions are interrelated.
The heart pumps blood to the lungs.
Oxygenated blood returns to the heart where it is pumped to rest of body.
Oxygen leaves blood and enters cells.
Waste products such as carbon dioxide leave cells and enter blood.
Blood carries waste products to kidneys and back to the heart.

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7
Q

Physical activity

A

movement that occurs when muscles contract

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8
Q

Exercise

A

physical activity that is usually planned and performed to improve or maintain physical condition

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9
Q

How does physical activity and health help you? (1)

A

Reduces risk of chronic diseases, including heart disease, certain cancers, type 2 diabetes, hypertension, and osteoporosis
Improves immune system
Improves and maintains muscle strength and joint function
Improves balance
Reduces risk of premature death

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10
Q

How does physical activity and health help you? (2)

A

Reduces symptoms of anxiety and depression
Increases memory/mental acuity
Fosters improvement in mood and sense of well-being
Can improve quality of sleep
Stimulates release of endorphins
Assists with weight management
Increases likelihood of maintaining independence with aging

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11
Q

Barriers to exercise

A 
Environment
Time
Motivation
Encouragement
Access
Financial
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12
Q

The Health-Related Components of Physical Fitness

A 
Cardio-respiratory fitness
Muscular strength
Muscular endurance
Flexibility
Body composition
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13
Q

Cardio-respiratory Fitness

A

The ability of cardiovascular and pulmonary systems to supply oxygen to working muscles

Intense physical activity requires more oxygen to support the work of skeletal muscles.

Cardiorespiratory fitness can be developed through aerobic activities, including running, swimming, rope skipping, or any movement that involve major muscle groups.

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14
Q

Assessing Cardio-respiratory Fitness

A

To enhance cardiorespiratory fitness, physical activity should raise heart rate to within the target zone, generally 55% to 90% of maximum heart rate.

Resting heart rate: best measured first thing in the morning

Maximum heart rate = 220 – age

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15
Q

Muscular Strength

A

ability of muscles to apply maximum force against an object that is resisting that force

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16
Q

Muscular endurance

A

ability to contract muscles repeatedly without becoming fatigued easily

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17
Q

Training effect

A

an increase in size and strength of the muscle

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18
Q

Hypertrophy

A

condition in which muscles become larger and stronger

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19
Q

Atrophy

A

when muscles lose size and strength, usually from inactivity

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20
Q

Repitition

A

completion of a single exercise that overloads a particular muscle group

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21
Q

Exercise set

A

involves performing the same exercise movement a number of times

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22
Q

Isotonic exercise

A

muscular force against a movable but constant source of resistance

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23
Q

Isometric exercise

A

muscular force against a fixed, immovable object of resistance

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24
Q

Muscular endurance

A

the ability of a muscle to contract repeatedly without becoming fatigued easily.
Training for muscular endurance involves lifting lighter weights repeatedly.

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25
Q

Flexibility

A

The ability to position a movable joint anywhere within its normal range of motion

26
Q

Static stretching

A

slowly and fully extending muscles and joints within natural range of motion (hold for 15 seconds)

27
Q

Ballistic stretching

A

stretching with bouncing; not recommended for most people

28
Q

Dynamic stretching

A

moving through a challenging but comfortable range of motion with controlled, deliberate motion

29
Q

Body composition

A

The ratio of lean tissue and fat mass
Some fat is essential to good health (about 4% in men and 10% in women).
Spot exercising does not reduce fat in the exercised region.
Exercising can increase metabolic rate.
Engaging in moderate-to-vigorous intensity aerobic activity for about 60 minutes, nearly every day, while not exceeding daily calorie needs, “burns” body fat.

30
Q

Speed

A

rate of movement

31
Q

Power

A

ability to concentrate force

32
Q

Coordination

A

ability to perform a series of movements in a continuous manner

33
Q

Agility

A

ability to make quick precise movements

34
Q

Balance

A

ability to maintain poised upright body position

35
Q

Reaction time

A

time needed to adjust body position to a changing environment.

36
Q

Diet and Performance

A

Drink adequate amounts of water and choose a well-balanced diet composed of a variety of foods.
Eating more protein than needed does not result in bigger muscles.
High-protein diets may cause dehydration and accelerate the loss of calcium from bones.
Carbohydrate loading can help certain athletes.

37
Q

Ergogenic Aids

A

There are a variety of products that supposedly enhance physical development or performance, including dietary supplements, drugs, and mechanical devices.

Some are beneficial and/or harmless.

Others are dangerous or illegal, such as anabolic steroids.

38
Q

Anabolic Steroids

A

Synthetic and natural substances chemically related to testosterone and have muscle-building properties

Often illegally obtained and abused by athletes who want to enhance muscle development and physical performance

Give individuals unfair competitive advantage over other athletes

39
Q

Adverse Effects of Anabolic Steroids

A

Premature balding; Severe acne

Sleep disturbance; Increased aggression

Testicle shrinkage

Increased blood pressure and increased risk of developing heart and kidney disease, certain cancers, and liver tumors

40
Q

Frequency

A

number of times a person exercises per week

41
Q

Intensity

A

amount of physical exertion used during exercise increases its benefit

42
Q

Time

A

total time a person is physically active during each exercise session

43
Q

Type

A

the kind of exercise in which a person engages

44
Q

Exercising for Health: The Exercise Session

A

Warm up: low intensity activity for 5 minutes

Stretch: 5 minutes

Aerobic activity: 30 minutes

Cool down: less intense activity for 5 minutes

Stretch: 5 minutes

45
Q

Exercise Danger Signs

A

Irregular heartbeat

Pain or pressure in the chest, throat, or arms

Shortness of breath; Dizziness

Sudden loss of coordination

Cold sweating; Fainting

46
Q

Strain

A

generally refers to damage that a muscle or tendon sustains when overextended rapidly

47
Q

Sprain

A

usually refers to a damaged ligament

48
Q

What is more severe? Sprains or Strains?

A

Sprains tend to be more severe than strains.

49
Q

RICE

A 
effective for treating strains and sprains.
Rest
Ice
Compression
Elevation
50
Q

Warm Weather Injuries

A 
Dehydration (lack of body water).
Hyperthermia (higher than normal body temperature) can lead to:
Heat cramps
Heat exhaustion
Heatstroke
51
Q

Preventing Warm Weather Injuries

A

Avoid physical exertion outdoors during hottest time of the day.

Drink enough fluids to replace that which is lost through sweat.

Wear light-colored, loose-fitting clothing when exercising in warm conditions.

Consider reducing the intensity and duration of activity when weather is hot and humid.

Avoid alcoholic beverages.

52
Q

Frostbite

A

Ice crystals form in the deeper tissues of skin when exposed to extreme cold
Causes damage to tissues

53
Q

Hypothermia

A 
Body core temperature drops below 95°F
Shivering
Tiredness
Poor judgment
Disorientation
Loss of consciousness
54
Q

Preventing Cold Weather Injuries

A 
Layers of warm dry clothing
A hat that can be pulled down over ears
Scarf                                                 
Gloves or mittens
Thick socks
55
Q

Developing a Personal Fitness Program

A

Determine your needs, interests, and limitations.

Set general fitness goals.

Choose activities that you enjoy.

Incorporates fitness session into your routine.

56
Q

Active for a Lifetime

A

Individuals are more likely to engage in regular physical activity if they enjoy being active, recognize the health benefits of physical activity, and can find the time to exercise.
To maintain motivation, people should choose physical activities that they can perform throughout their lifetimes.

57
Q

Across the Life Span

A

Physical activities adopted in childhood are more likely to be practiced for a lifetime.
Healthy, physically fit women can generally continue engaging in mild-to-moderate intensity exercise during pregnancy.
Pregnant women should discuss exercise plans with their physicians.

58
Q

As you age, light regular physical activity can help:

A

Reduce risk of heart disease, colon cancer, diabetes, obesity, and hypertension

Maintain or improve joint flexibility and muscle strength and endurance

Improve mood

Increase ability to live independently

59
Q

Nurses’ Role in Fitness Assessment

A

Assess all body systems

Anthropometric Assessment

Blood Chemistries

Functional Ability

60
Q

Anthropometric Assessment

A 
Height & Weight
Waist Circumference
BMI
Body Composition
Skinfold Thickness
Head Circumference (child)
61
Q

Nurses’ Role with Older Adults

A

Recommend resistance and agility training (↓ risk of falls)
Teach to consult with HCP before starting exercise program
Weight bearing exercises recommended (↓ bone loss from osteoporosis)
Teach to incorporate active exercise into Activities of Daily Living (ADLs)
Group exercise programs foster emotional well-being, socialization

NUR 220 (5 decks)

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