Muscle soreness peaks 48-72 hours following exercise and returns to baseline within1 week.Muscle soreness peaks immediately after exercise and returns to baseline within 5-7days.FeedbackThe correct answer is: Muscle soreness peaks 48-72 hours following exercise andreturns to baseline within 1 week.Question10CorrectMark 1.00 out of 1.00Flag questionQuestion textEvaluate the two statements below:(1) The distribution of fibre types within a muscle is influenced by neural innervation.(2) The distribution of fibre types within a muscle is partially predetermined duringdevelopment.Select one:Statement 1 and 2 are both false.Statement 1 and 2 are both true.Statement 1 is true, statement 2 is false.Statement 1 is false, statement 2 is true.FeedbackThe correct answer is: Statement 1 and 2 are both true.
Question1CorrectMark 1.00 out of 1.00Flag questionQuestion textHow does motor cortex activity change during prolonged exercise and fatigue?Select one:Motor cortex activity is kept constant during exercise since brain activity is controlledmore strictly than muscle activity.Motor cortex activity rises continuously during exercise to compensate for peripheralfatigue.Motor cortex activity decreases continuously during exercise because the brain hasthe highest glucose demand.Reduced motor cortex output contributes more to long duration, low-intensityexercise fatigue than to short maximal contraction fatigue.FeedbackThe correct answer is: Reduced motor cortex output contributes more to longduration, low-intensity exercise fatigue than to short maximal contraction fatigue.Question2CorrectMark 1.00 out of 1.00Flag questionQuestion textTestosterone is known toSelect one:inhibit the growth hormone effect on anaerobic exercise capacity.stimulate hepatic urea cycle inducing nitrogen loss and increase muscle mass.reduce fatigue, inhibit hepatic urea cycle and increase tolerance for hard training.promote fat accretion, muscle IGF-1 production and myostatin expression.FeedbackThe correct answer is: reduce fatigue, inhibit hepatic urea cycle and increasetolerance for hard training.
Question3IncorrectMark 0.00 out of 1.00Remove flagQuestion textWhich statement about the role of afferent fibres in fatigue isFALSE?Select one:Group III / IV fibres sense mechanical and metabolic 'stress' of muscles andcontribute to central fatigue.Reduced Ia afferent activity from muscle spindles may contribute to central fatigue.Group III / IV fibres sense mechanical and metabolic 'stress' of muscles and activatethe cardio-respiratory system.Increased Ia afferent activity from muscle spindles may contribute to central fatigue.FeedbackThe correct answer is: Increased Ia afferent activity from muscle spindles maycontribute to central fatigue.
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