The most common type of lever in the body is a _____-class level.
A) first
B) second
C) third
D) fourth

Question

Quizplus · Accepted Answer

The most common type of lever in the body is a third-class lever, where the effort is applied between the fulcrum and the load. This is seen in many muscles of the body, where the muscle inserts on a bone as a tendon (load), the joint acts as the fulcrum, and the effort is applied by the contraction of the muscle belly. Examples include the biceps brachii during elbow flexion and the hamstrings during knee flexion.

The Most Common Type of Lever in the Body Is