a. Compare and contrast the forces that are generatedand/or energy dynamics of a human running and a fish swimming. Listat least one similarity and one difference. Ideas to compareinclude: direction of forces generated, how musclecontraction/relaxation is related to forces, where/when potentialenergy is stored.
b. Compare and contrast the actions of muscles as motorsand brakes. List at least one similarity between the two and onedifference between the two.
c. How can you decide if a work loop isdepicting a muscle acting as a motor, brake, strut or spring?Describe the method you would use to make thisdecision.