Final Flashcards
(79 cards)
Basic unit of muscle
sarcomere
Each muscle fiber contains several hundred to thousands ________
myofibrils
Sequence of muscle bands in a sarcomere
Z, I, A, H, M, A, I, Z
Thin muscle filaments
actin
Thick muscle filaments
myosin
Two thirds of all skeletal muscle is ________
myosin
Whatis it called when the myosin cross bridges are activated, bind with actin, resulting in a conformational charge in the cross bridge, which causes the myosin head to tilt and to drag the thin filament towards the center of the sarcomere?
Sliding filament theory
substrate for glycolysis
glucose
substrate for kreb’s cycle
Acetyl- CoA
This diagram details out the delivery of oxygen based on PaO2
oxygenhemoglobin curve
If EDV increases, then ______ __________ should also increase
Stroke volume
VO2= Q*a-vo2difference
What equation?
Fick equation
Primary source of heat loss during exercise
Evaporation
Non steroid hormones are not _________ ________
Lipid soluble
How many ATP ate net from glycolysis?
2
Name of pressure volume diagram that explains how the heart valves open and close to deliver blood.
Wigger diagram
involuntary muscle contractions experienced when exposed to the cold
shivering
the process of breakdown a fatty acid and making acetyl coa
Beta oxidation
cessation of sweating is a symptom of ________ ______
Heat stroke
a 400m run primarily uses __________ to generate ATP
Glycolysis
Muscular ___________ is the ability to produce force over a series of contractions at a submaximal load.
Endurance
training in a manner that mimics your sport or actions completed at work
Specificity
steroid hormones are derived from
Cholesterol
The F in FITT stands for
Frequency