Final exam HSS 387 Questions And Answers

Final exam HSS 387 h h h


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Final exam HSS 387 Questions And Answers
1. what are the three cardinal planes of motion: sagittal, frontal, transverse
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2. what is the axis of rotation for the sagittal plane: frontal axis
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3. what is the axis of rotation for the frontal plane: sagittal axis
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4. what is the axis of rotation for the transverse plane: vertical axis
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5. Isometric contraction: active tension is developed within muscle but joint an-
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hglesremain constant; static h h


6. concentric contraction: muscle develops active tension as it shortens... Causes M
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otion
7. eccentric contraction: muscle lengthens under active tension... Controls Motion
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8. what muscle group is contracts concentrically: agonist (causes motion)
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9. antagonist muscle: opposes the agonist during concentric contracting
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10. example of antagonist and agonist muscle: Quads contracted (agonist),
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Hamstrings relaxed (antagonist) h h


11. Muscle Length- h


Tension Relationship: Maximal ability of a muscle to develop tension & exert force v
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aries depending uponthe length of the muscle during contrac-
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htion, Optimal Length = Greater Tension
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12. the greatest amount of tension is when: muscle is stretched between 100% to
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h130% of its resting length
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13. active insufficiency: reached when the agonistic muscle becomes shortened t
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o the point that it can not generate or maintain active tension
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14. passive insufficiency: s reached when the antagonistic muscle becomes s
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tretched to the point where it can no longer lengthen & allow movement
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15. muscle force- h


velocity relationship: When muscle is contracting, the rate of length change is sig
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nificantly related tothe amount of force potential
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16. at what point is the muscle able to contract at high velocity: light resistance
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17. quads agonistic function: hip flexion and knee extension
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18. hamstring agonistic function: hip extension and knee flexion h h h h h h h


19. biceps brachii agonistic function: elbow flexion
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, Final exam HSS 387 h h h


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20. triceps brachii agonistic function: elbow extension
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21. what are the tilts of the shoulder girdle: anterior, posterior, medial and lateral
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22. Pelvic girdle movements: Anterior pelvic rotation, posterior pelvic rotation, left la
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teral pelvic rotation, right lateral pelvic rotation, left transverse pelvic rotation, right tran
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sverse pelvic rotation
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23. anterior pelvic rotation: accomplished by hip flexion and/or lumbar extension
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24. posterior pelvic rotation: accomplished by hip extension and/or lumbar flexion
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25. right lateral pelvic rotation: accomplished by right hip abduction, left hip ad-
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hduction, and/or left lumbar lateral flexion
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26. left lateral pelvic rotation: Accomplished by left hip abduction, right hip adduc-
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htion, and/or right lumbar lateral flexion
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