more kin 151 exam 1 SG

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  1. Golgi Tendon Organs
    sensitivity, location, response
    • Sensitivity: Subconscious muscle sense, muscle tension changes.
    • Location: In tendons, near muscle-tendon junction in series with muscle fibers. Response: Inhibit development of tension in stretched muscles. Initiate development of tension in antagonistic muscles.
  2. Muscle Spindle fibers :
    sensitivity, location, response
    • Sensitivity: Subconscious muscle sense, muscle length changes.
    • Location: In skeletal muscles among muscle fibers in parallel with fibers.
    • Response: Initiate rapid contraction of stretched muscle. Inhibit development of tension in antagonistic muscles.
  3. Pacinian Corpuscles:

    sensitivity, location, response
    • Sensitivity: Rapid changes in joint angles, pressure, vibration.
    • Location: Subcutaneous, submucosa, and subserous tissues around joints and external genitals, mammary glands.
    • Response: Provide feedback regarding location of body part in space following quick movements.
  4. Ruffini’s Endings (Corpuscles) :

    sensitivity, location, response
    • Sensitivity: Strong, sudden joint movements, touch, pressure.
    • Location: Skin and subcutaneous tissue of fingers, collagenous fibers of the joint capsule.
    • Response: Provide feedback regarding touch, two-point discrimination.
  5. sensitivity, location, response
    • *Balance and equilibrium 
    • Complex sense concerned with the perception of bodily position and motion, mediated by end organs in the vestibular system and the semicircular canals, and stimulated by alterations in the pull of gravity and by head movements.
    • The labyrinth of the inner ear consists of the cochlea, the three semicircular canals, and the utricle and saccule. The cochlea is concerned with hearing but the rest of the labyrinth is is concerned with the sense of balance, or equilibrium. (More on HWL page 89).

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Author:
miss_bayley
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317030
Filename:
more kin 151 exam 1 SG
Updated:
2016-03-08 22:36:31
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