chapter 2
Quiz by hussein
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5 questions
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- Q1Which of the following is the definition of power?(force) ∙ (velocity)(mass) ∙ (acceleration(torque) ∙ (time)(force) ∙ (distance)60s
- Q2To compare performances of Olympic weightlifters of different body weights, the classic formula divides the load lifted by the athlete’sbody weight to the two-thirds powerbody weight squaredlean body weightbody weight60s
- Q3During a free weight exercise, muscle force varies with which of the following? I. perpendicular distance from the weight to the body joint II. joint angle III. movement acceleration IV. movement velocity squaredII and IV onlyI, II, and III onlyI and III onlyII, III, and IV only60s
- Q4A vertical jump involves knee, hip, and shoulder movement primarily in which of the following anatomical planes?transversesagittalperpendicularfrontal60s
- Q5An athlete is performing a concentric isokinetic elbow flexion and extension exercise. Which of the following type(s) of levers occur(s) at the elbow during this exercise? I. first class II. second class III. third classI onlyII onlyII and III onlyI and III only60s