9. A patient has digital clubbing. Which of the following is the likely cause of this feature?

Why is it difficult to throw a ball while treading water (as in water polo)? 

BONUS QUESTION: What is the difference between walking and running when analyzing gait (1 point)? If this questions is answered correctly, the points will be added to your score.

Which segment should be the last to move and have the highest velocity in a throw?

Why can you generate a better throw if you move each of the body parts involved in sequence rather than simultaneously? (2 point)

Discuss and list three mechanical principles that apply to either a throwing, striking, hitting or kicking motion? (3 points)

The wind-up/backswing (preparatory phase) is a very important part of the forceful throwing motion. Give one mechanical reason why this is true (2 points).

Why is it more difficult to perform a sit-up when the hands are clasped behind the head than when the arms are kept at the side? 

Which pattern of joint motion most clearly typifies push-pull patterns of motion?

The recommended dosage of cefuroxime IVPB for a child is 75 mg/kg/day in three equal doses. The child weighs 66 lb. The tubing drop factor is 60 gtt/mL. The medication is supplied in 750 mg/50 mL to infuse over 30 minutes. Calculate the safe and therapeutic dosage for this child. Enter numerical value only.  ____________________mg/dose