Textbook Question
The action of the biceps brachii muscle on the hinge joint of the elbow is an example of which kind of lever system?
a. First class
b. Second class
c. Third class
d. Fourth class
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The muscles of the arms and legs usually work at a mechanical disadvantage.
These joints will have relatively small range of motion.
Most movements of the arms and legs prioritize power over speed.
The fulcrum will most often be placed between the effort and the load.