third-class lever

(noun)

Force between pivot and load.

Related Terms

  • Levers can also vary based on the relative position of the load, pivot, and point of force application.
  • Flexion
  • extensors
  • Abduction
  • adduction
  • second-class lever
  • first class lever
  • abduction
  • rotation
  • origin
  • insertion
  • flexion
  • extension
  • flexor
  • extensor

Examples of third-class lever in the following topics:

  • Lever Systems

    • Classes of levers include:
    • Second-class levers are also relatively uncommon in the body.
    • In a third-class lever the force is applied between the load and the pivot.
    • The majority of muscles in the body are third-class levers and all act at a mechanical disadvantage as the force is applied closer to the pivot than the load.
    • An example of a third-class lever in the body is the biceps brachii, which flexes the forearm towards the shoulder.
  • Classification of Neurons

    • GABA acts on several different classes of receptors, exerting inhibitory effects.
    • A third less common method of neuron classification is according to their electrophysiological characteristics.
  • Congenital Adrenal Hyperplasia

    • The resulting excessive or deficient production of these three classes of hormones produce the most important problems for people with CAH.
    • On the third day, when the embryo has developed from one cell to about four to eight cells, one of those cells is removed from the embryo without harming the embryo.
  • Embryonic Development of the Brain

    • The neurodevelopmental processes that contribute to brain and CNS formation can be broadly divided into two classes: activity-independent mechanisms and activity-dependent mechanisms.
    • During the third week of gestation, the notochord sends signals to the overlying ectoderm, inducing it to become neuroectoderm.
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