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HSC 308 Exam 3 Questions and Answers All Correct 2024 New Update
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HSC 308 Exam 3 Questions and Answers All Correct 2024 New Update What is the Physiological bases for Type 1 EAMC (Exercise associated muscle cramps) - Answer- Type 1 EAMC = muscle overload/fatigue o Localized to overworked muscle o Risks = poor stretching, age, history, high intensity o Tre...

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  • October 4, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • hsc 308
  • hsc 308 exam 3
  • hsc 308 exam 3 questions and answers all correct

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HSC 308 Exam 3 Questions and
Answers All Correct 2024 New
Update

What is the Physiological bases for Type 1 EAMC (Exercise associated muscle cramps)
- Answer- Type 1 EAMC = muscle overload/fatigue
o Localized to overworked muscle
o Risks = poor stretching, age, history, high intensity
o Treatment = rest and/or passive stretching

What is the Physiological bases for Type 2 EAMC? - Answer- Type 2 EAMC =
electrolyte deficits
o Excessive sweating Na+, Cl- disturbances
o Neuromuscular junction becomes hyper-excitable
o Treatment = prompt ingestion of fluids, massage, and/or ice

What is maximal oxygen uptake? - Answer- VO2max -- greatest rate of O2 consumption
during severe dynamic exercise.

Fick Equation - Answer- VO2 = Q - a-vO2 difference

Of what importance is VO2max to endurance performance? Why does the competitor
with the highest VO2max not always win? - Answer- • In endurance training, more
oxygen can be delivered to active muscles than in an untrained state
• Improvements in VO2 max allow individuals to perform endurance activities at a higher
intensity, improving their performance
• However, the competitor with the highest VO2max doesn't always win, lactate
threshold is a better predictor

Describe the changes in oxygen transport system that occur with endurance training. -
Answer- • The a-vO2 difference increases with training, particularly at maximal exercise
due to an increase in capillary density

What adaptations occur that the body makes in response to endurance training which
allows for an increase in Vo2max? - Answer- Aerobic capacity increases
o Has the ability to sustain prolong exercise and VO2 max improves
o 15-20% improvement on average
o only 2-3% improvement with individuals with high VO2 max
o up to 50% improvement with individuals with low VO2 max

, What metabolic responses occur with endurance training? - Answer- Lactate threshold:
o Point during exercise when lactate accumulates in the blood
o The higher the lactate threshold, the grater the performance capacity
o Very good indicator of aerobic performance


Skeletal muscle:
o More of:
mitochondria, mitochondrial enzymes, PDH, muscle glycogen, myoglobin, greater
capillary density, intramuscular triglycerides, enzymes involved in beta-oxidation

Metabolic Adaptations occur with resistance training? - Answer- Two energy systems:
mainly PCr and glycolysis

Define Undertraining - Answer- Insufficient stimulus to improve fitness/performance
(good for maintaining)

Define Overload/overreaching. - Answer- Systematic attempt in overstresing body for
short period of training

Define Overtraining - Answer- train or cause to train too hard for too long

Excessive training - Answer- extreme volume and/or intensity of exercise.

Overtraining Syndrome: Define and describe - Answer- Unexplained reduction in
performance, function for weeks months or years (either intensity or volume related)

Overtraining Syndrome: Symptoms - Answer- fatigue, reduced strength, coordination,
chagne in appetite, weight loss, sleep, mood disturbances, etc

Overtraining Syndrome: sympathetic NS Symptoms - Answer- Fight/Flight:

Increase BP, loss of appetite, weight loss, sleep and emotional disturbances, increase
basal metabolic rate

Overtraining Syndrome: Parasympathetic NS symptoms - Answer- Rest/Digest

o Early fatigue, decreased resting HR, decreased resting BP, rapid heart rate recovery

Describe the relationship between physical activity/exercise and immune function and
disease susceptibility. - Answer- Overtraining suppresses immune function
o Exercise during illness immune complications
o Abnormal decrease in lymphocytes and antibodies
o Increase in incidence of illness after exhaustive exercise

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