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Intro kinesiology > Chapter 9 - Enhancing Health, Study, Work and Play through Physical Fitness > Flashcards

Chapter 9 - Enhancing Health, Study, Work and Play through Physical Fitness Flashcards

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1
Q

fitness includes what 6 things?

A

1) Cardiorespiratory endurance
2) Flexibility
3) body composition
4) muscular strength
5) muscular power
6) muscular endurance

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2
Q

define physical fitness

A

the ability of the body to adjust to the demands and stresses of physical effort

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3
Q

what is physical fitness thought to be a measure of?

A

physical fitness is thought to me a measure of ones physical health

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4
Q

define physical activity

A

any movement carried out by the skeletal muscles

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5
Q

physical activity requires the use of ______

A

energy

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6
Q

muscle strength

A

the ability of a muscle or muscle group to exert force against a resistance

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7
Q

true or false: muscular strength is commonly measured as a maximal value

A

true

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8
Q

what is a synonym for strength?

A

force

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9
Q

greater muscle mass results in?

A

greater muscle mass results in greater strength

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10
Q

force = ____ x _____

A

force = mass x acceleration

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11
Q

power

A

the ability to overcome external resistance at a high rate of muscular contraction

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12
Q

what is the ability to exert fore dependent on?

A

muscular strength

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13
Q

_______ is a derivative of muscular strength

A

Power

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14
Q

muscular endurance

A

the ability of a muscle or muscle group to sustain a given level of force (static, exercise) or to repeatedly contract and relax (dynamic exercise) at a given resistance

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15
Q

what is an example of static exercise?

A

the flexed arm hang is an example of a static exercise

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16
Q

what is an example of a dynamic exercise?

A

sit-ups are an example of a dynamic exercise

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17
Q

agonist

A

working muscles

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18
Q

antagonist

A

counter-acting muscles

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19
Q

training should include exercises that stimulate both the ______ and the ______

A

agonists and antagonists

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20
Q

what 2 things happen when you focus only on increasing agonist strength?

A

1) tends to shorten the agonist muscles

2) tends to weaken the antagonist muscles

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21
Q

cardiorespiratory endurance

A

the ability to produce energy through an improved delivery of oxygen to working muscles

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22
Q

what 2 systems does cardiorespiratory endurance involve?

A

involves cardiovascular system and respiratory system

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23
Q

what is the major function of the cardiorespiratory system?

A

to provide oxygen to tissues

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24
Q

what is the cardiorespiratory system needed for?

A

exertion over longer periods of time

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25
aerobic power
the maximal rate at which the body can take up, transport, and utilize oxygen
26
what is the maximal rate at which the body can take up, transport, and utilize oxygen expressed as?
maximal oxygen uptake or max VO2
27
what is max VO2 measured as?
max VO2 is measured as the maximal volume of oxygen consumption recorded during a progressive exercise test to exhaustion
28
predictions based on the _____ relationship between heart rate and workload can be made over a given workload range
linear
29
with increasing workload, ________ increases to a maximum that corresponds to a maximal oxygen consumption (max VO2)
heart rate
30
flexibility
the ability of a joint to move through its full range of motion
31
what is flexibility determined by?
determined by joint structure, muscle length, and muscle elasticity
32
what 3 things is flexibility affected by?
- age - gender - inactivity
33
what are the 3 benefits of flexibility?
- good joint health - slowed joint deterioration - improved quality of life
34
what can flexibility prevent?
back pain and injuries
35
_______ is important for flexibility
collagen
36
what is the main structural protein in connective tissues?
collagen
37
collagen provides structure and support to what 4 things?
tendons, tissues, ligaments and joints
38
______ (protein in connective tissue) allows muscles to be stretched
elastin
39
what are the 3 basic stretching methods?
1) static stretching 2) dynamic or ballistic stretching 3) proprioceptive neuromuscular facilitation (PNF) stretching
40
static stretching method
- holding a fully stretched position | - slow relaxation of muscles to be stretched
41
how long is static stretching held for?
10-30 seconds
42
how many times should static stretching be repeated?
4-6 times
43
dynamic stretching method
- rapidly moving a joint through its full range of motion | - involves stretching with repetitive bouncing movements, using small intervals
44
which stretching method increases amplitude range
dynamic stretching method
45
when is the maximal range achieved for dynamic stretching method?
10-20 movements
46
how many times is dynamic stretching repeated?
3-5 times
47
what is the most efficient stretching method?
PNF method
48
_____ stretching method exploits the muscle spindles and the golgi tendon organs (the stretch reflex)
PNF stretching method
49
true or false: the PNF stretching method involves a partner
true
50
what are the 3 stages to the PNF stretching method?
1) Active Stretching Phase 2) Pre-Tension Phase 3) Passive Stretching Phase
51
active stretching phase
muscles are actively pulled to the limit of the movement range
52
true or false: active stretching phase is performed fast and staggered
FALSE: active stretching phase is performed slow and continuously
53
what does active stretching phase inhibit?
inhibits muscle spindles from inducing stretch reflex (and prevents muscles from contracting)
54
Pre-tension phase
trainee exerts a full isometric (static) contraction against partner resistance
55
how long is pre-tension phase held for?
held for 7-10 seconds
56
_________ causes tendon spindles to release inhibitory relaxation of the muscles to be stretched
Pre-tension phase
57
Passive Stretching Phase
partner pushes the body further into the stretching position, to pain moderate discomfort
58
how long is the final position of the passive stretching phase held for (with muscles relaxed)?
6-10 seconds
59
True or false: for passive stretching phase the partner applies slow and constant pressure
true
60
body composition
refers to the amounts of fat, muscle, bone and other organs that make up the body
61
what 2 percentages are at primary interest for body composition?
percentages of lean body mass and fat body mass
62
what 2 things is physical fitness generally associated with?
1) a reduced body fat content | 2) increased lean body mass
63
what does psychomotor ability serve to integrate?
serves to integrate the central nervous system with the more physical components of fitness
64
what is psychomotor ability important to?
important to functioning and performance in everyday and fitness environments
65
what is psychomotor ability related to?
related to an athletes ability to adapt and respond to changes in their surroundings
66
state 10 training components to consider
1) training time 2) frequency of exercising 3) intensity of exercising 4) volume of training 5) work-to-rest ratio 6) type of exercise 7) order of exercises 8) number of repetitions per set 9) number of sets 10) recovery periods between exercises
67
training time
refers to the total time devoted to developing fitness
68
what is training time based on?
based on the duration of each training session and frequency of training per week, month, or year
69
what does training frequency depend on?
depends on the goals of the individual
70
how many times may athletes train per week for strength and cardiovascular endurance?
2-10 times per week
71
how many sessions per week may be sufficient to maintain levels of strength and endurance for general fitness training?
2-3 sessions per week
72
how many times per week does someone have to train for weight loss or strength or endurance gains?
4-6 sessions per week
73
training volume
refers to the sum total of work performed during a training session or phase of training
74
how is training volume measured?
measured in various units depending on the type of activity
75
______ movements (walking, running, swimming, etc.) are measured in meters or kilometres as a measure of distance
cyclic movements
76
strength exercises using body weight are measured by _________ and the number of exercises done
by the number of repetitions performed
77
how are strength exercises using weights measured?
strength exercises using weight are measured by the sum of all weight lifted per session, and the number of repetitions performed with a given load
78
what is probably the most important component of strength training?
Training intensity
79
what does training intensity characterize
training intensity characterizes the degree of stimulation or intensity of exercise per unit of time
80
how is training intensity measured?
measured in various units depending on the type of activity
81
how is training intensity expressed?
expressed as a percentage of a trainees personal best or 100% performance in the activity
82
______ becomes the benchmark, or starting point, for defining relative intensities to be used to plan workouts
training intensity
83
work-to-rest ratio
refers to the relationship between the phases of work and rest during training
84
true or false: in general, the lower the intensity of exercise per unit of time, the shorter the rest periods required
true
85
true or false: the higher the intensity of exercise per unit of time, the longer the rest periods must be
true
86
warm-up and cool-down
loosening up and relaxation exercises performed before and after training are beneficial
87
list 3 benefits of warm up
1) raising the body temperature, increasing respiration, heart rate, blood flow, metabolic rate, oxygen exchange 2) increasing range of movement, decreasing muscle tension, preventing muscle, tendon, ligament strains 3) increasing central nervous system activity, improving coordination, reducing reaction time
88
list 2 benefits of cool down
1) helps speed recovery from bout of exercise | 2) helps physiological systems return to normal levels
89
what is important to do during a cool down?
replenish the fluid complex (will show a deficit the next day if you don't)

Intro kinesiology (19 decks)

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