Answer:
d. Disuse
Explanation:
Disuse -
It is the medical condition , which arise due to less or no physical activity , is referred to as disuse .
Due to no movement of the muscles ,
The arms being inactive for a long period of time , the muscles become shrivel and stiff .
It is advised for the humans to do at least 60 minutes of physical activity daily , to stay fit and avoid the situation of disuse .
Hence , from the given scenario of the question,
The correct opinion is d. Disuse .
