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NASM-CPT Ch. 7 Q&A
Chapter 7: Human Movement Science
Question | Answer |
---|---|
Between concentric, isometric, and eccentric muscle actions, which type expends the highest amount of energy?> | Concentric, due to the contractile force needing to be greater than the resistive force (gravity) |
What are the three overarching types of muscle actions? | Isotonic, isometric, and isokinetic |
Levers are classified as _____, _______, and __________ | First; second; third class |
What is F-R-E-1-2-3? | This means that fulcrum is in middle for a first-class lever (F, 1), resistance is in the middle for the second-class lever (R, 2), with the effort in middle for a third-class lever (E, 3). |
Fitness professionals can use this principle as a regression or progression to exercises that are too demanding or too easy - what is it? | By reducing or increasing the torque placed on the HMS |