Term
Vo2 Max
definition
how determined and improved
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Definition
definition - serves as an indicator of aerobic and cardiovascular preformance
(greater aerobic capasity=greater ability to deliver and use oxygen)
- Primarily determined by genetics but can be incresed up to 30% w/training |
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Term
What is absolute Vo2 measured in?
What is Relative Vo2 measured in?
Why is realative Vo2 better? |
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Definition
Absolute Vo2 is measured in L/min
Relative Vo2 is measured in ml/kg/min
Relative Vo2 is better because it allows for comparisons among people with different body masses |
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Term
| What are the Direct and Secondary indicators of Vo2 Max? |
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Definition
Direct - an observable plateau in Vo2 with increasing work loads
Secondary - RER above 1.15,
HR above predicted max ( 220 -age)
Volitional Fatigue (sometimes used, not as valid)
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Term
What is RER or Respiratory Exchange Ratio and how is it used?
What do the values represented by RER indicate? |
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Definition
RER is the measurement of gas exchange at the mouth
Can be used to predict which macronutrient is being used during exercise to produce ATP
- .70 (100% fats)
- 1.00 (100% carbs)
- Resing RER is .8 (1/3 carbs, 2/3 fats) |
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Term
Vo2 Peak
when it occurs
Definition |
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Definition
If Vo2 max indicators do not occur then a Vo2 peak occurs
Vo2 reached by the subject but is not necessarily the max |
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Term
| What is Bicarbonate Buffering? |
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Definition
| - system that works to relieve the body of excess Hydrogen ions that comes from lactic acid dissociation(seperation) |
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Term
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Definition
Vo2= (Vi x Fio2) - (Ve x Feo2)
Vi = volume of inspired air
Ve = volume of expired air
Fio2 = fraction of inspired oxygen
Feo2 = Fraction of expired oxygen
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Term
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Definition
RER=VCO2/VO2
(just divided not times 2) |
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Term
Body composition definition
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Definition
| the relative contribution of fat mass and fat free mass to total body mass |
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Term
Two compartment Model
Fat Mass includes...
Fat Free Mass includes...
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Definition
Fat Mass contains weight of subcutaneous fat, visceral fat and fat from the mylein sheath of the nerves
Fat Free mass contains weight of all fat free mass, bones, muscle, organs, water, connective tissue. |
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Term
Anaerobic definition
Why shouldnt we store atp?
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Definition
The ability to life, grow where free oxygen isn't present.
ATP is heavy! |
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Term
| CP system and Glysolosis comparison |
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Definition
CP system is faster but less sustainableof ATP
Glycolosis is slower but more sustainable of ATP |
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Term
| What determines the Anaerobic capasity |
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Definition
| determined by the ATP supplied by glycogenic pathway rather than the CP system |
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Term
| What are the different types of muscle fibers and what are their characteristics? |
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Definition
Type 1-slow twitch oxidative fibers, low power, very fatigue resistant
Type 2a-fast twitch oxidative/glycolytic fibers, medium power, medium fatigue resistant
Type 2b-fast twitch glycolytic, high power, low fatigue resistant. |
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Term
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Definition
| the study of biological phenomena using the methods of mechanics |
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Term
What is velocity and what is the equation for it?
What units is velocity measured in? |
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Definition
The rate of change of displacement
V=change in position/time
or
V=d/t
d=displacement
Units:m/s |
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Term
What is momentum and what is the equation for it?
Units? |
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Definition
The product of mass ( in kg) times velocity
Eq: m x v
Units kg*m/s |
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Term
What is Kinetic Energy
Equation
Units |
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Definition
The energy that an object possesses as a result of its ability to do work
KE=1/2mv^2
Units:kgm^2/s^2 |
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Term
Acceleration
definition
Equation
Units |
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Definition
the change in velocity
a=change in velocity/time
Units:m/s^2 |
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Term
| What is a neuron made up of and what do those parts do? |
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Definition
Made up of three parts
Cell Body-processes info +decides actions
Axon-takes info away from cell body
Dendrites-brings info towards cell body |
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Term
Afferent and Efferent and Interneurons
definition |
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Definition
Afferent (aahhhhh)sends impluses from sensory receptors to brain or spinal cord
(doesnt produce movement)
Efferent (effffort) sends impulses from brain or spinal cord to muscles
(produces movement)
Interneuron-connects afferent to efferent neurons |
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Term
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Definition
| study of the organization of the CNS for coordination of movement |
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Term
| Motor Learning definition |
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Definition
| area of study focused on understanding the execution of motor processes and the variables that mediate their execution |
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Term
| What are the types of feedback? |
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Definition
Intrinsic-inherent and occurs as a result of movement
Extrinsic-information from performance provided by artificial fashion |
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Term
| What are the two types of extrinsic feedback |
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Definition
Qualitative-knowledge of results indicates if performance was: short/long, fast/slow ect.
Quanitative-knowledge of results indicated with direction or magnitude or error.
(Qualitative is always better) |
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Term
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Definition
| the study of variables and processes that contribute to the performance or behavior of the actor |
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