extension

(noun)

Increases the angle between two body parts.

Related Terms

  • Flexor Carpi Ulnaris
  • Flexor Carpi Radialis
  • Flexor Digitorum Profundus
  • Flexor Digitorum Superficialis
  • Flexor Pollicis Longus
  • Pronator quadratus
  • Levers can also vary based on the relative position of the load, pivot, and point of force application.
  • Palmaris Longus
  • Pronator teres
  • Pronator quadraturs
  • Flexion
  • extensors
  • Abduction
  • adduction
  • third-class lever
  • second-class lever
  • first class lever
  • abduction
  • rotation
  • Brachioradialis
  • Supinator
  • Pronator Quadraturs
  • Pronator Teres
  • Triceps Brachii
  • Biceps Brachii
  • origin
  • insertion
  • extrinsic muscles
  • flexion
  • flexor
  • extensor

Examples of extension in the following topics:

  • Dermatomes

  • Structural Diversity of Neurons

    • The dendrites are short, tapering extensions that are the receptive regions and help in conveying incoming messages towards the cell body.
    • These extensions are the conducting region of the neuron.
  • Synovial Joint Movements

  • Control of the Pituitary Gland by the Hypothalamus

    • The posterior lobe of the pituitary gland develops as an extension of the hypothalamus.
  • Types of Synovial Joints

    • These joints act as a hinge, allowing flexion and extension in just one plane.
    • Some classifications make a distinction between condyloid and ellipsoid joints, but both allow flexion, extension, abduction, adduction, and circumduction movements.
  • The Hyoid Bone

    • It is visible upon extension of the neck.
  • Tennis Elbow, Little-League Elbow, and Dislocation of the Radial Head

    • The symptoms associated with tennis elbow are, but are not limited to: radiating pain from the outside of the elbow to the forearm and wrist, pain during extension of wrist, weakness of the forearm, a painful grip while shaking hands or torquing a doorknob, and not being able to hold relatively heavy items in the hand.
    • Studies have shown that trauma such as direct blows to the epicondyle, a sudden forceful pull, or forceful extension have caused more than half of tennis elbow injuries.
    • This causes significant pain, partial limitation of flexion/extension of the elbow, and total loss of pronation/supination in the affected arm.
  • Vitiligo

    • In cases of extensive vitiligo, the option to depigment the unaffected skin with topical drugs like monobenzone, mequinol, or hydroquinone may be considered in order to render the skin an even color.
  • Black Eye

    • Sometimes, a black eye indicates a more extensive injury, even a skull fracture, particularly if the area around both eyes is bruised (raccoon eyes), or if there has been a head injury.
  • Clinical Advances in Bone Repair

    • The porous bone-like properties of the metal foam contribute to extensive bone infiltration, allowing osteoblast activity to take place.
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