This video introduces you to the three orders (or classes) of levers and locates them in the skeletal system. First order levers have the #fulcrum in the middle (between the effort and the load). Second order levers have the #load in the middle (between the fulcrum and the effort). Third order levers have the #effort in the middle (between the fulcrum and the load)

[00:00] Start
[00:10] Key Terms
[02:21] First Order Levers
[03:15] Second Order Levers
[03:48] Third Order Levers
[04:33] 123FLE
[05:05] Examples in the Skeletal System

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