Possible detrimental effects of knee braces include(s) which of the following?

Possible detrimental effects of knee braces include(s) which of the following? 

A. changes muscle activity during gait
B. reduces sprinting speed
C. increases onset of fatigue
D. all of the above

Answer: D

The high incidence of knee injuries among snow skiers is partially due to which of the following?

The high incidence of knee injuries among snow skiers is partially due to which of the following? 

A. rigid boot which limit ankle motion
B. bindings which release during a fall
C. both A and B
D. none of the above

Answer: A

Which of the following affects the flight of a discus?

Which of the following affects the flight of a discus? 

A. speed at release
B. projection angle
C. orientation angle relative to the wind
D. all of the above

Answer: D

Exercise walking can have which of the following effects?

Exercise walking can have which of the following effects? 

A. improved balance in older adults
B. decreased likelihood of falls in older adults
C. decreased risk of osteoporosis for women
D. all of the above

Answer: D

Astronauts who travel out of the earth's gravitational field have experienced which of the following?

Astronauts who travel out of the earth's gravitational field have experienced which of the following? 

A. increased bone density
B. reduced strength
C. both A and B
D. none of the above

Answer: B

Which of the following is true?

Which of the following is true? 

A. No particular biomechanical factors have been associated with running economy.
B. 3-year olds walking fast can use 70% more energy than adults.
C. both A and B
D. none of the above

Answer: C

Which of the following defines inference?

Which of the following defines inference? 

A. the process of elimination
B. the process of forming deductions from available information
C. the process of observation in a qualitative analysis
D. none of the above

Answer: B

Which of the following is true regarding mechanics?

Which of the following is true regarding mechanics? 

A. branch of physics
B. analyzes the actions of forces on particles
C. both A and B
D. none of the above

Answer: C

A 200 lb. man weighs approximately what in metric units?

A 200 lb. man weighs approximately what in metric units? 

A. 890 N
B. 45 N
C. 440 kg
D. none of the above

Answer: A

What is the base unit for mass in the metric system?

What is the base unit for mass in the metric system? 

A. Newton
B. kilogram
C. meter
D. slug

Answer: B

Choose the term or phrase that is not synonymous with the others.

Choose the term or phrase that is not synonymous with the others. 

A. metric system
B. English system
C. International system of units
D. S. I.

Answer: B

Which type of analysis involves identifying, analyzing and answering a question of interest?

Which type of analysis involves identifying, analyzing and answering a question of interest? 

A. quantitative
B. qualitative
C. both A and B
D. none of the above

Answer: C

Which of the following could be performed by a biomechanist?

Which of the following could be performed by a biomechanist? 

A. quantitative analysis of human movement
B. qualitative analysis of human movement
C. both A and B
D. none of the above

Answer: C

Why is swimming not the best exercise for prevention of osteoporosis?

Why is swimming not the best exercise for prevention of osteoporosis? 

A. no weight bearing
B. water resistance is hard on the bones
C. both A and B
D. none of the above

Answer: A

Biomechanical research has contributed to which of the following?

Biomechanical research has contributed to which of the following? 

A. injury prevention
B. enhanced sport performance
C. equipment design
D. all of the above

Answer: D

Biomechanical analysis has revealed which of the following about high velocity pitchers compared to lower velocity pitchers?

Biomechanical analysis has revealed which of the following about high velocity pitchers compared to lower velocity pitchers? 

A. they have greater internal rotation at the shoulder
B. they have greater upright posture at release
C. they have higher angular velocity of the pelvis and upper torso
D. all of the above

Answer: C

Which of the following is an example of equipment designed to enhance performance?

Which of the following is an example of equipment designed to enhance performance? 

A. Klapskate
B. aerodynamic helmet
C. both A and B
D. none of the above

Answer: C

Which of the following is true about carpal tunnel syndrome?

Which of the following is true about carpal tunnel syndrome? 

A. it is a neurological impairment
B. it is associated with repetitive keyboard use
C. both A and B
D. none of the above

Answer: C

Which of the following is a risk factor for osteoporosis?

Which of the following is a risk factor for osteoporosis? 

A. physical inactivity
B. estrogen deficiency
C. excessive consumption of caffeine
D. all of the above

Answer: D

Which of the following is true about osteoporosis?

Which of the following is true about osteoporosis? 

A. it is a disease with acute onset
B. it inevitably accompanies aging
C. it is a lifestyle disease that develops and progresses over a number of years
D. all of the above are true

Answer: C