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

Correct answer choice is:

C: Shoulder stretch

It is really important to do cool down exercise after swimming because it may lead to certain consequences which one can not afford for a healthy and fit body. Exercise like stretching your Calf and Foot Muscles can be done in or out of the pool, but it's compulsory. Similarly stretching your Arms and your Back can help you to cool down.

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.