Here is an Excel spreadsheet that has right knee position data in the X, Y, and
ID: 180069 • Letter: H
Question
Here is an Excel spreadsheet that has right knee position data in the X, Y, and Z planes. There are 20 data points that were collected at 200 Hz. Determine which of the given planes (X, Y, and Z) correspond with the vertical, medio-lateral, and antero-posterior planes.
Right Knee Angles Right knee Angular Velocity Right knee Angular Accelerations 2 Frame 32.829 49.1565 -87.0523 19.02 53.5282 -89.891 80.4795 907.83 -570.47 -20.174 58.2348 -92.757 81.5666 -568.78 63.221 -95.5788 82.6194 1020.78 551.46 1.025 -514.5 73.8937 -100.7238 86.0092 1118.12 10 207 79.6238 -102.8629 89.0781 1174.17 11 208 85.6354 -104.5826 93.1248 1228.82 12 209 91.912 -105.8266 97.8085 13 210 98.381 -106.5798 102.3594 14 211 1299.56 15 212 1295.82 610.69 16 213 1256.07 117.4683 -106.2366 109.2789 17 214 1176.07 18 215 1058.54 19 216 108 39.572 128.0537 -104.9576 106.2317 21 218 1.085 40.242 49.085 132.2033 104.3734 103-1933 743.48 102.45 62771 22 219 27415 49593 135.4885 -103.9331 570.6 71 52 -605.58 99.9546 137.9093 -103.6582 97.1375 23 220 11 42.322 139.5378 404.93 40- .28969 51.035 140.1642-103.4948 95.0569 16.34 -293.67 94.2008 125.28 704 -171.22 29 30Explanation / Answer
Kinematics is a branch of science that deals with the quantification of motion, with no regard for the forces that govern motion.
In a cartesian plane, the position is determined by the distance form of x-, y- and z- axis.
In the case of right leg, distance from of x-axis determines the mediolateral position of the knee, y-axis determines the vertical position and value on z-axis determines the anterio-posterior position of the knee.
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