As the former captain of the football team, John organized a game ...

[newyorker26]

As the former captain of the football team, John organized a game for his 25th high-school class reunion. Afterward, all the players complained that they were aching, and that they were much stronger and faster in high school.
 
  What is the nature of their biosocial changes?
 
  Their fibers for Type I muscles have been reduced by about 25 percent since high school.
  Their fibers for Type II muscles have been reduced by about 50 percent since high school.
  Their back muscles, connective tissues, and bones have lost strength.
  Their lung capacity is reduced.

Question 2

In middle adulthood, a person is most likely to lose
 
  a few pounds of weight.
  nearly an inch in height.
  the ability to run more than a mile.
  the ability to experience orgasm.

[mcomstock09]

Answer to Question 1

Their fibers for Type II muscles have been reduced by about 50 percent since high school.

Answer to Question 2

nearly an inch in height.