Oxidation System - ** VERIFIED ANSWERS **✔✔Fat oxidation
3+ minutes
important for endurance
capacity limited by O2 and Cals available
*Unfit client has decreased ability to deliver O2 from dec capillary density preventing delivery
O2 Physiological Adaptations - ** VERIFIED ANSWERS **✔✔1. Oxygen Deficit - initial stages of CV
training bout referred to as lag in O2 consumption, relying on anaerobic metabolism
2. Steady State - achieved w/ sustained CV once O2 supplied equals O2 demanded. Inc fit, reach SS
faster and endurance depends how long you stay here.
, 3. EPOC - O2 debt, uptake remained elevated post exercise for several minutes (or house if longer
bout); EPOC effect is to restore CP/ATP in muscles and O2 in blood; "after burn" effect
Sino Atrial Node - ** VERIFIED ANSWERS **✔✔Pacemaker of the heart, in RA, initiates
contraction
Atrioventricular Node - ** VERIFIED ANSWERS **✔✔Slows down the heart contracting
Right Chambers - ** VERIFIED ANSWERS **✔✔RA receives deoxy blood from vena cava. Blood
travels to RV through tricuspid valve. Leaves RV via pulmonary semilunar valve to pulmonary
system.
Left Chambers - ** VERIFIED ANSWERS **✔✔LA receives oxy blood from veins. Travels to LV
through bicuspid valve then to aorta through the aortic semilunar valve where it then travels
through the body's arteries to deliver oxygen.
Pulse Sights - ** VERIFIED ANSWERS **✔✔Carotid (not recommended to perform on someone)
Brachial
Femoral
Radial (most recommended)
Heart Rate - ** VERIFIED ANSWERS **✔✔Avg is 72bpm resting (normal is 60-100bpm)
Good gauge for clients to see how fit they are becoming
Tachycardia/Bradychardia - ** VERIFIED ANSWERS **✔✔Faster than normal heart rate, >100 bpm
Slower than normal heart rate, < 60 bpm
Stroke Volume (SV) - ** VERIFIED ANSWERS **✔✔The amount of blood pumped from the left
ventricle in one beat
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