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Quiz #4

# Quiz #4 - HES 207 Quiz 4 Matching 41 Rotary component 42...

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HES 207 Quiz # 4 Matching. 41. _________ Rotary component 42. _________ Direction (angle of pull) 43. _________ Magnitude of force 44. _________ Point of application Multiple choice: 45. If the angle of pull is less than 90 degrees: a. the rotary and nonrotary components are equal. b. the force is all rotary. c. the nonrotary force has a dislocating effect. d. the nonrotary force has a stabilizing effect. 46. All of the following statements are true EXCEPT: 47. A centric force is a force that is through: True = A, False = B 48. The length of the rotary and nonrotary components of a muscle force stay the same throughout the full range of motion of the joint. 49. Torque may be modified by either changing the force or the length of the moment arm. 50. The patella increases the angle of pull thus decreasing the rotary component of the quadriceps. B A C D E

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HES 207 Quiz #5 True = A False = B 51. Most levers in the body are second-class levers. 52. The moment arm length for the non rotary component is equal to zero. 53. The perpendicular distance between the axis and line of effort (or force) is the:
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