If it is a true/false question. Answer would be true. Some people never show symptoms, others show them within 7 days and for others it shows in about 30 days.
The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
Protein is the best nutrient
