Answer: yes it is safe because you are preventing falls
Explanation: the reason most children fall is because things are not safe for small children
Answer: Every activity give tension in the legs. If your willing to make your legs kinda sore try doing jumping squat's or any kind of activity is fine. Some even make your legs burn. But it's not the type of activity's you do it's how much time or how many time's you do it.
Broken bones, the inability to prepare can result in injuries
the answer to your question is B. it can cause permanent injury and should be avoided
