4.2 - Muscle Mechanics & Lever Systems
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Practice Questions
Test your understanding with targeted questions
What is the sliding filament theory?
💡 Hint: Think about how muscled shorten.
Name one example of a first class lever in the body.
💡 Hint: Where does the head pivot?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What theory explains muscle contraction?
💡 Hint: It’s about how muscles get shorter.
True or False: In a second-class lever, the load is between the fulcrum and effort.
💡 Hint: Think of a calf raise.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a bodybuilder performs a bicep curl using a weight of 20 pounds, how would you describe the lever system utilized and its efficiency in moving that weight?
💡 Hint: Think about the location of the effort and how it impacts lifting.
Design an exercise program incorporating knowledge of lever systems suitable for improving leg strength. Explain your choices.
💡 Hint: Use the efficiency of each lever class to guide your program.
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