10. Muscles
Origin and Insertion
4PRACTICE PROBLEM
Statement A: The bicep curl is an example of a class III lever system, where the effort (generated by the bicep muscle) is situated between the fulcrum (the elbow joint) and the load (the weight being lifted).
Statement B: A full-body pushup is an example of a class I lever system, where the fulcrum is situated between the effort (the force applied to the door) and the load (the weight of the door).
Select the appropriate choice:
Statement A: The bicep curl is an example of a class III lever system, where the effort (generated by the bicep muscle) is situated between the fulcrum (the elbow joint) and the load (the weight being lifted).
Statement B: A full-body pushup is an example of a class I lever system, where the fulcrum is situated between the effort (the force applied to the door) and the load (the weight of the door).
Select the appropriate choice: