Observation

This question was attempted by many candidates and their performance was poor. Most of the candidates were able to state effects of incorrect posture on humans.
The expected answers are as follows: 
          EFFECTS OF INCORRECT POSTURE ON HUMANS
  -   unattractive appearance
  -   deformity
  -   sluggish movement
  -   muscles tone will be reduced       
  -   system of the body/named may be impeded/displaced