LAB EXAM 2: WINGATE Flashcards
true or false: only aerbic power is believed to be an imporatnt component of physcial fitness
no , anerobic also
what is the most widely used test for assessing a subjects anerboic capacity and fitness
wingate anerboc test
what is the fucntion of the wingate test
assess anaerbic capacity and fitness
assess physiological and cognitive responses to supra maximal exercise
Measures one’s ability to use
anaerobic sources of energy to do
work, to generate power.
what is the winngate test
30 sec of maximal all out cycling (or cranking with arms) against a resistance that is proporional to body weight of the subejct
what is the main result of the WANT
NUMBER OF PEDAL REVOLUTIONS
true or false: muscle fibers have enough ATP to last for a couple minutes of intense muscular work
false, just a few seconds
what is used to replenish atp stoes
tthe phosphocreataine system (PCR)
how long cvan the adenosite triphosphate PCR system give energy for
allows for 5-10 seconds of intense muscular work
once the ATP PCR is deleted, what kicks in
the anerobic glyclotic system
when is the anoerboic glyoclity system highly active
between 5-50 seconds
how does anaerboic glycolisis allow for ATP production
without oxygen
probides ATP via the breakdown of glucose (glycolysis) and glycogen (Glycogenolysis) in the musclr)
what happens when gluocse is used as a fuel in the absense of oxygen
lactate is produced as a by product
what happens when there is an accumatulation of lactatte
fatigue
how long is recovery
depending on subjectstraining level, 1-2 minites
explain the immediate energy system
. Immediate energy
• Alactic System (ATP-PCr: adenosine triphosphate/ phosphocreatine)
• Fast pace, low yield (1 enzyme - 1 step) – 5 to 10 sec
explain the short term energy
Short-term energy
• Lactate-Forming System (glycolytic anaerobic; short-term glycolytic)
• Moderate pace, moderate yield (11 enzymes - 11 steps) – 5 to 50
sec
explain the long term energy
Aerobic system is slow pace, high yield
what percentage of the required atp comes from the ATP PCR and anerobic glycoltoci systems
80%
what does more prolongued physical activaty require
a more effiecient and slower atp generating sysym
=OXIDATIVE GLYCOLUYSIS
true or false: through training, anaerbic capcity can be increased
true
what does peak anaerboic closely reflect and why
ability tto use the atp-pcr system (since peak usually ocrurs during first 5 seconds when ATP_Pcr is highly active)
what is mean anaerobic an indicator of and why
of ones ability to use the anaerboic gkycolytic system since about 50% of energy supplied to working muslces furing test is by anerbic glycolysis anf glycogeneloysis)
explain atop contribution in first 10 second
70% from immediate (Atp-pcr)
15% from short term system
explain atp contribution during 30 seconds
30% from immediate
50% from anerobc glycol (Shory term)
what is the equation ofr total work and what does it reflect
Total Work = F x d = (mass x acc.) x (# rev x 6m/rev)
= (load (kg) x 9.8) x (# rev x 6m/rev) (Nm or J)
= Reflects the overall anaerobic capacity
what is the equstion for peak and what does it reflect
Peak-AnP = Power achieved in the best 5 second period of the test, typically the first 5 seconds
= work/time = work in best 5 sec / 5 sec (Nm/s = watts)
= Ability to use system A (immediate ATP PCR)
what is the equation for mean anoerobic power and what it reflects
Mean-AnP = Power achieved over entire test
= Work (total) / time (total) (Nm/s = watts)
= Ability to use system B (anerobic glycolytic sysstem
what is the equation for fatigue infex and what does it reflect
Fatigue Index =
= (Max An-P – Min An-P / Max An-P) x 100
=Reflects ability to maintian power output from anerboribc energy sysstsms
true or false: *fatigue index is Only valid if max is “real” (full effort from the get-go)
true
what is the formula for total energy expernditure in kcal
total work (nm) x 0.000239
true or false : Male scores are 50% higher than females,
false
Male scores are 15-30% higher than females, which is
likely due to:
what is the 3 reasons men usually score higher than women
1) Greater relative muscle area
2. Greater metabolic capacity of fast-twitch fibers
3. Longer catecholamine response (fight-or-flight;
epinephrine and norepinephrine)
what can Difference among individuals’ relative scores can be
attributed to:
- Training
- Heredity / genetics
- Motivation
what 2 bikes are used for the test
Monark cycle ergometer
Velotron cycle ergometer
what is the resistance on the flywheel based on
subjects weight and experience with anerboic conditining
what are some imporatnt thigs prior to the eingate
must sign informed consent must complete GAQ must be mentally prepared should not eat before shuld be physically healthy (not sick in last 4 weeks)
what time of the day is best
laate afternnoon
what is the wingate proctocol
warm up 3-5 min: cycle at low internisty iterspec with 2-3 sprints of 5 secs are prescripbed force
recovery 2-3 minutes : rest against min force
acceleration 5-10: cycle for 5-10 secomds at 1/3 speed (20-50 rpm) then 1-5 seconds agaisnt 1/2 to 2/3 prescrobec foce at ner max
test 30 sec: cycle at highest rpm
cool down 2-3 mintes at low intensity
what results do you get from monark
of pedal revs
what results do you get from velotron
peak
mean
min
power
does a person do more work if they run isntead of walk up the stairs?
no because work does not take into acount time but they will have a higher power
what is the formulat for power
power (watts) = work/time
what is 1 watt
1 j/s
