Lecture 8: Shoulder

Question 1

Pain def

Answer 1

pain is an unpleasant sensory and emotional experience, associated with actual or potential tissue damage or described in terms of such damage.
-cant always find tissue damage but doenst mean patient isn’t suffering

Question 2

What are the 3 kinds of pain classification?

Answer 2

1. Nociceptive- pain evoked by damage to somatic or visceral tissue e.g.
2. Neurogenic/ Neuropathic- abnormal activity in nerves that transmit nociceptive pain (from nerve itself)
3. Psychogenic: From influences in the subjects mind, such as memory, association with past events and malingering. (pain thats all in their head)

Question 3

1. The transduction of Pain

Answer 3

Tissue detected by free nerve endings in epithelial tissue of the body (skin) fibrous connective tissue (skeletal smooth muscle), only in the capsule of solid viscera and in the epithelium & muscular is of hollow viscera.
Can be stimulated chemically or mechanically:
A) Chemically- By H, K++, bradkinins, serotonin as release by damaged cells or inflammatory response to tissue damage.
b) mechanically- when collagenous tissue are stretched e.g. swell with haemorrhage or tumor- compression of free nerve endings woven into the lattice work of collagen?