EXS 411- EXAM 1 | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTION

EXS 411- EXAM 1 | QUESTIONS AND ANSWERS | 2026
UPDATE | WITH COMPLETE SOLUTION




Physical Activity Answer - any movement that increases energy expenditure


Exercise Answer - planned structured activity done for the purpose of
improving aspects of physical fitness


Physical Fitness Answer - includes cardiorespiratory endurance, body comp,
muscular strength, endurance and power, flexibility, agility, reaction time, and
balance.


Elements of Physical Fitness
-Health-related Answer - - Cardiorespiratory endurance
- Body composition
- Muscular strength
- Muscular endurance
- Flexibility


Elements of Physical Fitness
-Skill Related Answer - - Agility
- Coordination
- Balance
- Power

, - Reaction time
- Speed


Types of Muscle Contractions Answer - Static or isometric
Dynamic or isotonic*
- Ex. Bicep curl


Static or isometric Answer - No change in joint angle
- Ex. Plank, wall squat


Dynamic or isotonic Answer - Change in joint angle
- Ex. Bicep curl


Classic studies of Morris et al. (1950s) Answer - Prevalence of heart disease
between London bus drivers vs. conductors
-Found bus drivers had higher prevalence
Found same results with mail carriers vs. office staff


Kenneth Cooper, Steven Blair Answer - Leaders in evaluating effect of fitness
and CVD
Ongoing ACLS, Cooper Clinic
10,000 men and 3,000 women followed for 8 years
relative risk on fitness quartile


Ralph Paffenbarger (Stanford University) Answer - Controlled for other CHD
risk factors to ID effect of sedentary lifestyle