Term
What are the components of health related physical fitness? |
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Definition
1. to assess the status of individuals entering a program.
2. to aid in prescribing or limiting activity of a certain individual.
3. to evaluate an individual's progress.
4.To increase individual motivation for entering and adhering to an exercise program.
5. to evaluate the success of a program in achieving its objectives.
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Term
What is the purpose of the informed consent form? |
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Definition
So that the subject's human rights are respected. |
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Term
What are the 6 characteristics of a good physical fitness test? |
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Definition
1. Validity
2. Reliability
3. Objectivity
4. Accuracy
5. Norms
6. Economy |
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Term
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Definition
Errors that cause the result to spread in both directions about the true value. |
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Term
What are systematic errors? |
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Definition
Errors that systematicall shift the measurments in one direction away from the true value. |
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Term
What are 3 questions you might ask when evaluating a norm chart? |
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Definition
1. Were the sampling procedures for the construction of the norms based on a wide distribution of the poulation?
2. Was a large sample size used to construct the norms?
3. Are the norms being used for the specific groups for which they were prepared? |
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Term
What are the 2 classifications of tests? |
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Definition
Laboratory tests and field tests |
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Term
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Definition
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Term
What are the primary determinants of body appearance? |
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Definition
1. the skeleton
2. muscle
3. fat |
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Term
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Definition
a quantitative description of the present structure and composition of the body. |
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Term
Who was the somatotype developed by? |
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Definition
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Term
What are the three primary components of somatotype? |
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Definition
Endomorphy
Mesomorphy
Ectomorphy |
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Term
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Definition
the relative predominance of soft roundness throughout the body. |
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Term
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Definition
the relative predominance of muscle, bone, and connective tissue. |
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Term
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Definition
refers to the relative predominance of linearity and fragility. |
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Term
what term describes the distribution of female physique types differing from the male distribution of physique types? |
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Definition
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Term
The somatotype doesnt tell you anything abaout a person's _________ or ____ ________. |
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Definition
height or body proportionality |
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Term
what two factors influence differences in somatotype components? |
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Definition
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Term
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Definition
Measurnment of body size and proportions including skinfold thickness, circumferences, bony widths and lengthes, height, and body wieght. |
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Term
In regards to body composition, the two component model is based on? |
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Definition
the amount of fat and fatfree mass of which the body is composed. |
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Term
In regards to body compostion, what is the four (4) component model? |
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Definition
fat, protein, mineral, and water |
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Term
why assess body composition? |
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Definition
1. important for health
2.esablish reasonable fattness ranges for athletes in different sports.
3.developing sound weight reduction programs
4.knowledge of bone mineral content in women and children.
5. moniter changes in body composition in regards to disease. |
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Term
What is an essential fat? |
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Definition
fat that is required for normal physiological functioning
ie. synthesis of hormones, transport of fat soluble vitamins |
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Term
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Definition
fat stored in adipose tissue for energy. |
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Term
Where do females store fat? |
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Definition
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Term
where do males store fat? |
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Definition
upper torso and around abdomen |
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Term
research has found that adipose tissue not only acts as a storehouse for fat, but and __________ organ that secrets more then a dozen peptides and non peptides compounds that trigger changes throughout the body. what is one of these chamicals? |
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Definition
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Term
what are the 6 causes of obesity epidemic? |
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Definition
1. energy intake exceeding expenditure (human body built for scarcity, not abundencce)
2. Decreased physical activity
3. increased consumption of calories
4. social enviornment
5. Biology (genetics)
6. viruses |
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Term
What are the two methods for assessing body composition? |
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Definition
Direct method- chemical anylysis of human cadavers
Indirect Method- noninvasive techniques on living persons |
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Term
what are some criticisms of height weight tables? |
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Definition
1. do not consider body composition
2. tables come from white, middle-class us adults age 25-59
3. No method for determining frame size |
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Term
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Definition
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Term
what are 2 methods of body volume measurnment? |
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Definition
1. underwater weighing
2. air-displacement plethysmolography |
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Term
Equations to determine body density make two assumptions which are? |
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Definition
1. the human body has two compartments (fat and non-fat)
2. Each has densities which are known constants (fat 0.9g/mol and non-fat 1.1g/mol) |
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Term
Which method was considered the "gold standard" for validating skinfold caliper formulae? |
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Definition
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Term
Problem with densitometry? |
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Definition
cadavers have shown that density of non-fat compartment varies as a function of age, sex, and racial group. |
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Term
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Definition
mass (kg) /(height (m))squared |
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Term
on the BMI scale what values indicate underweight, overweight, and obese? |
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Definition
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Term
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Definition
1. does not differentiate body composition |
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Term
Which method is better to determine obesity related health risks then BMI? |
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Definition
Waist circumference, and/or waist-to-hip |
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Term
what are the 2 ways to use fatfolds? |
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Definition
1. use the sum relative to others, comparing before and after
2. fatfolds inconjunction with equations compared to tables |
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Term
Assumptions using skinfold measurnments? |
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Definition
1. constant densities
2. proper identification of measurnment site and proper technique.
3. constant compressibility of the skin
4. fixed adipose tissue patterning
5. fixed proportion of internal and external fat |
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Term
What are the two (2) types of body composition prediction equations? |
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Definition
1. population specific equations .example -Yuhasz
2. Generalized equations .example Jackson and pollock |
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Term
In the sum of 5 skinfolds which skinfolds are measured? |
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Definition
triceps, biceps, subscapular, iliac crest, and medial calf |
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Term
How does Bioelectrical Impoedence Analysis work? |
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Definition
send electrical current through the body. The higher the electrical resistance the fatter the subject because adipose tissue has a greater impedance then bone and muscle. |
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Term
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Definition
near infrared interactance |
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Term
What are some other methods for determining body composition? |
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Definition
1. dual x-ray absorptiometry
2. Total body water - hydrometry
3. Ultrasound
4. MRI magnetic resonance imaging
5. CT Computerized tomography
6. Total body potassium |
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Term
Decreased muscle mass associated with aging= |
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Definition
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Term
what are the stages of post natalgrowth? |
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Definition
1. Neonatal Period (birth-4months)
2. Infancy ( -two years)
3. Childhood (-puberty)
4. Adolescence ( -17/18)
5. Adulthood |
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Term
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Definition
measurnments taken at intervals are plotted against time |
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Term
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Definition
increments in growth are plotted against time to show variation in the rate of growth with time |
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Term
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Definition
derived from a single individual or the same group of individuals over a period of years |
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Term
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Definition
measurnments are made of several children in each age group and are combined to form a cross-sectional picture of the various age groups in the community |
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Term
How many years difference between girls and boys maturity at the age of puberty? |
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Definition
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Term
Peak height velocity in boys?
girls? |
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Definition
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Term
Reach final height at age ____ for boys and _____ for girls. |
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Definition
17/18
14/15
plus or minus 2 years |
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Term
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Definition
a condition of the bones where they become very thing and brittle due to decrease mineral content. |
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Term
which two vitamins are neccessary during peak linear growth? |
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Definition
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Term
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Definition
the onset of menstruation |
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Term
Menstruation occurs at age |
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Definition
12.8-13
when peak height velocity begans to decline |
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Term
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Definition
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Term
Factors influencing growth and maturation |
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Definition
1. Genetic control
2. nutrition
3. secular trends
4. season and climate |
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Term
What property does muscle cells posess that no other cells do? |
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Definition
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Term
What are the three (3) types of muscle tissue? |
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Definition
1. skeletal muscle
2. smooth muscle
3. cardiac muscle |
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Term
Criteria used to name muscles? |
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Definition
1. shape
2. Action
3. location
4. Divisions
5. size
6. direction |
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Term
1. Unipennate-
2. Bipennate-
3. Multipennate-
4. Longitudinal-
5. Radiate- |
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Definition
1. Unipennate- all fasciculi insert on one side of a tendon
2. Bipennate-Fasciculi insert on both sides of tendon
3. Multipennate-convergence of several tendons
4. Longitudinal-fasciculi run parallel alon muscle
5. Radiate- fibers fan out from a single attachment |
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Term
1. Prime mover-
2. antagonist-
3. Fixators/stabilizers- |
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Definition
1. Prime mover- muscle whos contraction is primarily responsible for a particular movement
2. antagonist-muscle that oppose another upon contraction
3. Fixators/stabilizers- muscles that immobilize a bone or joint near the origin of the prime mover |
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Term
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Definition
Orgin- less movable end of a muscle, ussually proximal
Insertion-more movable end of muscle, usually distal
Belly-widest portion of a muscle |
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Term
What are the three layers of connective tissue? |
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Definition
endomysium, perimysium, and epimysium
surrounding muscle fibers, bundles of muscle fibers, and whole muscles |
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Term
Within each muscle fiber are many _________. |
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Definition
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Term
The two contractile proteins are? |
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Definition
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Term
each repeated array of contractile proteins is called a __________. |
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Definition
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Term
________ can induce capillary angiogenesis. |
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Definition
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Term
when an axon seperates to spread to muscle fiber it is called? |
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Definition
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Term
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Definition
when the action potential is so great that it passes down the axon |
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Term
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Definition
SO- slow oxidative type 1
FOG-fast oxidative glycolytic type 2a
FG-fast glycolytic type 2b |
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Term
There are 2 methods by which a muscle can control force production: |
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Definition
1. Multiple Motor Unit Summation- activating more motor units
2. Frequency or wave summation- the rate at which signals are passed down the axon. |
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Term
What are the three (3) types of contractions? |
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Definition
1. isometric
2. concentric
3. eccentric |
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Term
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Definition
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Term
three factors which affect expression of strenght of muscle |
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Definition
1. speed of shortening
2. the initial length
3. the angle of pull |
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Term
Uses of Biomechanical analyses |
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Definition
- improvement of sports skills
- Design of sports equipment
- prevention of injury
- clinical analysis of movemnt pathologies
- Design of prostheses
- design of rehab devices
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Term
Qualitative analysis-
Quantitative analysis- |
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Definition
a non-numerical description
a numarically based analysis |
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Term
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Definition
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Term
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Definition
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Term
What are two (2) methods for determing center of gravity? |
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Definition
1. reaction board method
2. Segmental method |
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Term
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Definition
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Term
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Definition
1. Law of Inertia
2. Law of acceleration
3. Law of reaction |
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Term
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Definition
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Term
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Definition
stride length times stride rate |
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Term
Strength testing techniques: |
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Definition
1. One repitition maximum
2. Dynamometer technique |
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Term
Strength testing considerations |
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Definition
- Standardized instructions
- Warmup of uniform duration and intensity
- angle of measurnment is the same
- specificity
- safety
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Term
Effect of various factors on strength: |
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Definition
1. Muscle cross sectional area (size)
2. Body size
3. muscle fiber composition
4. mechanical factors
- initial length
- The angle of pull
- The speed of shortening
5. sex and age
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Term
Hypertrophy-
hyperplasia- |
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Definition
Hypertrophy- an increase in the size of the cells
hyperplasia- an increase in the number of cells |
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Term
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Definition
- Provides supporting framework
- provides attachment points for muscles creating levers
- provides protection
- blood cell formation
- Mineral storage- calcium and phosphorus
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Term
The major building blocks of bone are: |
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Definition
- calcium carbonate
- calcium phosphate
- collagen fibers
- water
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Term
Bones are made of cells called __________. |
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Definition
osteocytes surrounded by a matrix(25%water, 25% protein, 50% mineral salts) |
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Term
longitudinal growth of bone occurs at ________ plate. |
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Definition
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Term
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Definition
- Long bones
- Short bones
- Flat bones
- Irregular bones
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Term
The vertebrae in the spine: |
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Definition
- cervical (7)
- thoracic (12)
- lumbar (5)
- sacral (5)
- coccygeal (4)
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Term
Disks in your spine function as : |
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Definition
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Term
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Definition
- Fibrous joint- immovable
- Cartilaginous joint- slightly movable
- Synovial joint- freely movable
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Term
Scoliosis-
Kyphosis-
Lordosis- |
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Definition
Scoliosis- abnormal lateral curvature
Kyphosis- exagerated posterior thoracic curve
Lordosis- exaggerated anterior lumbar curve |
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Term
Synovial fluid has two (2) functions:
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Definition
- Lubricates the joint surfaces as they slide over eachother during joint movement
- supplies nutrients to, and removes waste products from the cartilage cells which have no direct blood supply
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Term
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Definition
fibrous connective tissue that connects bones together |
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Term
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Definition
fibrous connective tissue that joins muscle to bone
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Term
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Definition
Small sack of synovial fluid located at friction points between tendons and bones |
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Term
Frontal plane-
Saggital plane-
Transverse plane- |
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Definition
Frontal plane- divides body into anterior and posterior portions
Saggital plane- divides body into right and left sides
Transverse plane- divides body into superior and inferior portions |
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Term
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Definition
- flexion, extension
- abduction, adduction
- ratation- inwards (medial); outwards (lateral)
- Supination, pronation
- elevation, depression
- plantar flexion, dorsiflexion
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Term
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Definition
- sprain
- dislocation
- subluxation
- bursitis
- arthritis
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Term
Structural limits to fllexibility: |
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Definition
- Bony sturcture of the joint
- ligaments
- joint capsules
- muscle tendon unit (major focus of stretching is to elongate this tissue)
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