Answer:
D. It varies from joint to joint
Explanation:
Not A: Your ankle and wrist have different flexibilities
Not B: A sibling won't have the same flexibility
Not C. Again, ankle vs wrist
D. Yes
Get a check up with his doctor!! His doctor can help guide him before he begins doing anything.
Doing a physically energetic job does not grant you better physical fitness. This is due to the fact intensive physical exercise at some stage in work becomes a burden as a substitute than a benefit. People who do a physical job, spend about eight hours at work with a restricted or quick time of breaks.
