The correct answer is D. Push-ups.
<em>Push-ups is the only activity which strengthens muscles and can be completed in school.</em>
Exercise helps muscles to be at rest and also makes someone feel reinvigorated. There are some exercise which are strength-building.
For example, jumping sacks, forward lunges, push-ups, arm extension and plank.
Don't really worry about pushing too hard, it's even ok if you were to break a rib or two. it's better to push too hard than not hard enough
Answer:
Self-assessment is a useful tool in devising an individual fitness plan is false
