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95-224 Study Guide - Final Guide: Central Tendency, Kinematics, Scatter Plot

Course Code
KINE 2240
Joel Cort
Study Guide

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1. Intertia: - an object at rest will stay at rest unless acted upon by an external force
- the tendency of a body to resist a change in its state of motion
2.#1 Rule in Biomechanics: Does this make sense? --> if not the answer is probably wrong
3.2. F=ma: - forces cause all motion
- F = the applied force
- m = the object mass
- a = linear/translational acceleration of the object that the force is applied to
- angular force is moment - the resultant/net moment of forces acting around an object
4.3. Action-reaction: for every force (action) there is an equal and opposite force (reaction)
5.absolute cell addressing: - putting a $ front of either row, column or both, to keep things in absolute/
same formula so it doesn't automatically update
6.anatomical position: - erect standing position with all body parts facing forward
- starting point for all body segment movements
7.angular motion: rotation around an axis
8.anterior: toward the front of the body
9.anteroposterior axis: axis around which rotations in the frontal plane occur
10.axis of rotation: an imaginary line that passes through the center of rotation that's perpendicular to the
plane of rotation
11.bending: assymetric loading that produces tension on one side of the body's longitudinal axis and
compression on the other side
12.biomechanics: - application of mechanical principles to study living bodies
- bio: anatomy, physiology
- mechanics - physics
13.calibration: - method use to verify the accuracy of instruments used in measurements
- improves objectivity, validity and reliability of testing
- to ensure accurate readings on different measurement days
14.cardinal reference planes: - 3 imaginary perpendicular planes that intersect at right angles to one
- used to divide the body in half by mass
- intersect at the center of mass
15.centre of mass: point at which a body's weight of equally balanced
16.coefficient of variation: - another measure of variability of a sample
- CV = (SD/mean) x 100%
17.compression: pressing or squeezing force directed axially through a body
18.contralateral: activity/location on the opposite side as a reference point
19.criterion-referenced standards: - absolute standards based on external criterion
- ex. average, below average
- to classify performance or health based on external criteria, regardless of reference group
20.curvilinear motion: motion along a curved line
21.deep: inside the body away from the surface
22.default arrow: fill handle - can be filled
23.density: - mass per unit of volume
- kg/m^3
24.displacement: - d
- straight line distance between initial position and final position
- measured in meters
25.distal: away from the trunk or a reference point
26.dynamics: branch of mechanics that involves systems that are subject to acceleration
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