Practice Quiz

Indoor Cycling Instructor

Category - Fitness

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Lactate threshold is:
  1. The amount of protein drinks a participant should consume during a class.
  2. The point at which muscles begin to fatigue.
  3. A measure of lactose intolerance important for athletes.
  4. A scientific concept too technical for most spin class participants.
Explanation
Answer: B - Lactate threshold is the point at which muscles begin to fatigue. As muscles work at a high intensity, they deplete oxygen and lactate, a muscle effort by-product, begins to build up and reduce the capacity of the muscle to perform. Increasing lactate threshold is an important part of improving fitness development in spinning.
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