Postural instability
Explanation:
Postural instability is one of the main symptoms observed among people with neuromuscular disorders like Parkinson's Disease.
Postural instability basically refers to loss of balance or balance impairment of the body's posture due to lack of neuromuscular coordination that controls body movements.
- Postural instability will make the person to lean backwards or forward without any control.
- They develop increased probabilities to fall easily because of this tendency.
- A person who takes a backward leap will walk due to retropulsion.
- The person may walk in a hurry and taking very short steps due to festination.
- It makes the person to suddenly freeze and stop while moving.
- Postural instability may lead to stooped posture due to walking with drooped shoulder, leaning front or back, and bowed head.
Answer:
Internal can be you don't want bad things happening to your body, you don't want drugs affecting your health,etc.External could be you don't want it to affect your family or people around you.For example, like a cigarette if you are smoking in public you can be affecting others passing by or hanging out with you(external)but if it's just you by yourself smoking it is damaging your lungs(internal)
Option B is the correct answer.
Increased cardiorespiratory fitness
means the body makes more efficient use of oxygen requiring less to
function as well or better than when you are less fit as judged on this
index.