11. Because __________, “personal bests†usually occur after athletes have already reached their physical peaks. a. athletes age slower than the average population. b. of their genetic superiority c. practice builds skill d. of all of these 12. On average, peak performance occurs earlier for sports that require ___________, but later for sports that require __________. a. immediate strength and speed; small motor advantages be accumulated. b. small motor advantages by accumulated; immediate strength and skill. c. extensive practice; more luck than practice. d. extensive practice; immediate strength and speed. 13. In which of the following sport events or aspects of sports will an athlete most likely reach his or her “personal best†at an EARLIER age? a. cross-country skiing b. three to ten kilometer races c. stolen base percent in baseball d. least walks per inning pitched in baseball 14. In which of the following sport events or aspects of sports will an athlete most likely reach his or her “personal best†at a LATER age? a. cross-country skiing b. three to ten kilometer races c. least walks per inning pitched in baseball d. all of these 15. Which of the following is FALSE regarding athletes’ “personal bests� a. High ability players, such as those elected into the Hall of Fame, tend to peak earlier. b. In baseball, those with the highest stolen base percent peak earlier than the pitchers with the least walks per inning pitched in baseball. c. Peak performance in running 800-1500 meter races occurs earlier than running in three to ten kilometer races. d. Competitive cross-country skiers peak later, usually in their 30s. 16. Which of the following is FALSE regarding athletes’ “personal bests� a. High ability players, such as those elected into the Hall of Fame, tend to peak later. b. In baseball, those with the highest stolen base percent peak later than the pitchers with the least walks per inning pitched in baseball. c. Peak performance in running 800-1500 meter races occurs earlier than running in three to ten kilometer races. d. Competitive cross-country skiers peak later, usually in their 30s. 17. Which of the following is FALSE regarding growth and strength over time? a. Most people reach their adult heights by late adolescence, typically 17 years for girls and 19 for boys. b. Some late-maturing boys add noticeable height during their early 20s. c. Height is generally stable throughout early adulthood with people beginning to lose height after age 55. d. Males lose about half an inch of height, while females lose slightly more. 18. Girls usually reach their adult height by age _____, while boys, by age _____. a. 15; 17 b. 17; 19 c. 19; 21 d. 21; 23 19. Which of the following is FALSE regarding growth over time? a. Most people reach their adult heights by late adolescence, typically 17 years for girls and 19 for boys. b. Some late-maturing boys add noticeable height during their early 20s. c. Height is generally stable throughout early adulthood with people beginning to lose height after age 30. d. Females lose about half an inch of height, while males lose slightly more. 20. Which of the following is/are TRUE regarding growth over time? a. Most people reach their adult heights by late adolescence, typically 17 years for girls and 19 for boys. b. Males lose about half an inch of height, while females lose slightly more. c. Height is generally stable throughout early adulthood with people beginning to lose height after age 30. d. All of these statements are true.