During the motion that extends the upper limb at the elbow, the elbow joint represents which part of the lever?
A) Rigid bar
B) Fulcrum
C) Force
D) Resistance
E) Handle

Question

Quizplus · Accepted Answer

The elbow joint acts as the fulcrum in the lever system during the extension of the upper limb at the elbow. The muscles provide the force, the bones act as the rigid bar, and the resistance is whatever is being moved or lifted by the arm.

During the Motion That Extends the Upper Limb at the Elbow