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EH 3800: Strength and Conditioning
Module 2: Principles of Biomechanics
1. Which of the following is the best example of a multiaxial joint?
A. Ankle
B. Elbow
C. Hip
D. Wrist
2. In a biceps curl, the triceps acts as
A. an agonist
B. a synergist
C. an antagonist
D. a prime mover
3. In general, if the mechanical advantage (muscle force x moment arm of the force) is
going to be beneficial (i.e., require less muscular force than the resistive force) it will be
A. equal to one
B. greater than one
C. less than one
D. equal to one half
4. The anatomical plane that dissects the body into right and left halves is called the
A. sagittal plane
B. transverse plane
C. frontal plane
D. movement plane
5. Tom is working out with a free-weight training system. Which of the following best
describes the type of resistance he experiences as he exercises?
A. elastic
B. electronic
C. fluid
D. gravity
6. Margaret has severe edema and pain immediately following an injury. These are signs
of this phase of tissue healing:
A. inflammation
B. repair
C. remodeling
D. return
7. As Dwayne pushes the weighted sled in football practice, he is faced with this type of
resistance:
A. electronic
B. gravity
C. elastic
D. friction
8. A hydraulic weight training system employs this type of resistance:
A. gravity
B. fluid
C. friction
D. electronic
9. This is another name for the axis of rotation:
A. fulcrum
B. lever
C. moment arm
D. force arm
10. How would you describe the lever system in which the muscle and resistive forces
act on the same side of the fulcrum and the moment arm of the resistive force is longer
than the moment arm of the muscle?
A. first class lever
B. second class lever
C. third class lever
D. all of the above
11. Jack has suffered a knee injury. In which phase of healing is it recommended that he
begin sport-specific movements and speeds?
A. inflammation phase
B. repair phase
C. remodeling phase
D. any of the above
12. The long jump primarily takes place in which anatomical plane?
A. sagittal
B. frontal
C. transverse
D. static
13. Which movement is the knee making during the downward phase of the front
lunge?
A. extension
B. flexion
C. abduction
D. adduction
14. Which of the following movements takes place in the transverse plane?
A. flexion
B. adduction
C. extension
D. horizontal adduction
15. Which of the following examples would increase the speed advantage of a muscle?
A. increasing the muscular force
B. decreasing the perpendicular distance between the joint and the tendon insertion
C. increasing the resistance
D. increasing the perpendicular distance between the joint and the tendon insertion
16. What happens to the force required to move an elastic band as the band is
stretched?
A. decreases
B. remains the same
C. increases
D. becomes nothing
17. During which stage is the only exercise allowed is that which will not affect the
injured limb?
A. inflammation stage
B. repair stage
C. remodel stage
D. reuse stage
18. Which of the following upper leg muscle groups and types of muscle actions are
associated with the upward phase of the face down lying leg curl exercise?
Primary Muscle Group
Primary Muscle Action
I.
flexors
eccentric
II.
extensors
eccentric
III.
flexors
concentric
IV.
extensors
concentric
A. II and III only
B. I and IV only
C. I and III only
D. II and IV only
19. Which of the following is an example of a uniaxial joint?
A. ankle
B. hip
C. thumb
D. knee
20. Which of the following would involve a cartilaginous joint?
A. the joint between the femur and the fibula
B. the joint between two plates of the skull
C. the joint between two cervical vertebrae
D. the joint between the humerus and the shoulder girdle
21. In which plane of motion does ankle inversion take place?
A. sagittal
B. frontal
C. transverse
D. dynamic
22. During which stage of tissue healing does collagen fiber production begin?
A. inflammation
B. repair
C. remodel
D. reorganization
23. During which of the following exercises would a weight belt be most appropriate?
A. Bench Press
B. Lat Pull-down
C. Medicine Ball Lateral Throw
D. Deadlift
24. What type of injury is most likely to occur during the exercise described in #23 if the
individual performing the exercise continually used poor form and too much resistance
over a period of six months?
A. macrotrauma
B. microtrauma
C. big trauma
D. minor trauma
25. Bob pushes a sled that weighed 100lbs 20 yards in a time of 10 seconds and Tom
pushed a sled that weighted 50 lbs 30 yards in a time of 15 seconds. Who produced the
most power?
A. Bob
B. Tom
C. They produced the same amount of power
D. There is not enough information to answer this question
Name:______________________
EH 3800: Strength and Conditioning
Module 2: Principles of Biomechanics
Answers
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
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EH 3800: Strength and Conditioning
Module 2: Principles of Biomechanics
Answers
1. C
2. C
3. B
4. A
5. D
6. A
7. D
8. B
9. A
10. C
11. C
12. A
13. B
14. D
15. B
16. C
17. A
18. A
19. D
20. C
21. B
22. B
23. D
24. B
25. A