Marius just completed his swimming workout. which of these would best target a key muscle in his cool down routine? a. hurdler's stretch
b. calf stretch
c. shoulder stretch
d. abdominal stretch

The question is asking us to choose among the following that states the activity would best target a key muscles in his cool down routine I would say that the answer would be D: Abdominal stretch. Hope the answer is to your pleasing