Answered: Left knee angular displacement (the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Left knee angular displacement (the change in joint angle in comparison to the initial position) in all three planes (sagittal - x, frontal - y, transverse - z) over time in seconds is shown. a. Based on your figure, what is the biggest difference between the angular displacement in the sagittal plane and that in the other two planes? b. Provide an explanation for your findings from a). (Hint: Think about the anatomy of the knee joint)

Knee Displacement (x,y, & z axis)
100
80
60
40
20
2
10
12
14
16
-20
-40
Time (sec)
-Kneex
- KneeY
- Kneez

Definition Definition Angle at which a point rotates around a specific axis or center in a given direction. Angular displacement is a vector quantity and has both magnitude and direction. The angle built by an object from its rest point to endpoint created by rotational motion is known as angular displacement. Angular displacement is denoted by θ, and the S.I. unit of angular displacement is radian or rad.

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