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Exercise

QuestionAnswer
What is the size principle? Motor units are recruited from smallest to largest and from slow to fast: Type l -> Type lla -> Type llx, depending on force needed.
What is the force-velocity relationship? Force and velocity have an inverse relationship: high force associated with lower velocity, while lower force allows greater velocity.
What is the force-power relationship? Power = force × velocity. The relationship is an inverted U, with maximum power at an intermediate combination of force and velocity.
What is muscle fatigue? A decline in muscle power output; it is not the same as muscle damage.
What is DOMS? Delayed onset muscle soreness appears 24–48 hours after unaccustomed or strenuous exercise and is associated with microscopic tears and inflammatory responses. It is not due to lactic acid.
What is hypertrophy? Growth in muscle size through increases in the size of existing muscle fibers, associated with increases in myofibrillar protein concentrations.
What is atrophy? Loss of muscle mass when muscle protein breakdown exceeds muscle protein synthesis.
What is sarcopenia? Age-related muscle atrophy.
Created by: user-2045823
 

 



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