Shoulder stretch would would best target a key muscle in Marius cool down routine after his swimming workout. Repetitive overhead arm motion can lead to inflammatory condition on the shoulder. That's why it is very important to do stretching. The purpose of stretching is to protect the swimmer’s body, especially the neck, shoulders and lower back.
The 3rd one but he should also jot down a list of questions he intends to ask during each call and should be writing down the responses he receives as well as any follow up numbers etc that he needs to call <span />