is a unitless 'real time' measure of myocardial oxygen demand and is very practical measure during
exercise assessments and testing.
What are the three energy substrates? - ✔✔1. Proteins
2. Lipids
3. Carbohydrates
What is a MET? - ✔✔A measure of oxygen consumption, which leads to caloric expenditure and ATP
production. Rest = 1 MET, walking = 3 - 5 METs, running = 8-12 METs
Will an active and fit person have a higher or lower resting MET than those who are inactive and
carrying excessive weight? - ✔✔The active person will have a HIGHER resting MET.
, How does weight training affect cardiovascular function? - ✔✔By increasing muscular strength, clients
can reduce the heart rate and blood pressure responses (and demands on the heart) when lifting or
carrying any given object.
What are the muscle fiber types - ✔✔Type I. Aerobic, oxidative, slow twitch fibers
-fatigue resistant, endurance.
Type IIa Intermediate fibers
-power and fatige resistant
Type IIb Anaerobic, glycolityic, fast twitch fibers
- power, easily fatigued
What is muscular hypertrophy? - ✔✔muscle is getting larger
What is muscular hyperplasia - ✔✔new muscle tissues
What is Wolff's Law? - ✔✔Tissue adapts to the level of stress imposed on it; the level of adaptation in a
tissue reflects the level of typical loading.
Why do we screen our participants? - ✔✔*Exercise can increase the risk of sudden cardiac death and
heart attack
*Cardiovascular events usually only occur in clients with pre-existing conditions
*Many clients are unaware of their risk
Client screening should identify....? - ✔✔*Medical contraindications to exercise
*Need for medical evaluation and exercise testing
*Clinically significant disease and the need for medically supervised exercise
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