Department

KinesiologyCourse Code

KIN 151Professor

AllStudy Guide

MidtermThis

**preview**shows half of the first page. to view the full**3 pages of the document.**KIN 151 Biomechanics

Chapter 1, 2: An Introduction to Biomechanics

•Kinesiology is the study of human movement

•Biomechanics: a branch of physics, applies the principles of mechanics to living

organisms

•Biomechanics can be used to solve informal and formal problems, qualitative and

quantitative problems

•Linear motion (translation, rectilinear, and curvilinear)

oLinear motion includes translation, rectilinear and curvilinear motion

oPace is the inverse of speed

oScalar: number only (distance, speed, pace)

oVector: number and sign (displacement, velocity, acceleration)

oSign of a vector quantity can indicate the state of the system and the

direction of motion

oDifferentiation: obtaining information using another value (opposite of

integration)

•Angular motion (yaw, pitch and roll)

oYaw: saying no

oPitch: saying yes

oRoll: moving head to shoulder

•3 cardinal planes dividing body and corresponding axis of rotation

ofrontal – auteroposterior axis

osagittal – mediolateral axis

otransverse – longitudinal axis

•Movement terminology and definitions

Terms:

oKinematics: study of the description of motion, including considerations of space

and time

oKinetics: study of the action of forces

oQualitative: involving nonnumeric description of quality

oQuantitative: involving the use of numbers

oAnthropometric: related to the dimensions and weights of body segments

oAngular: involving rotation around a central line or point

oCurvilinear: along a curved line

oAxis of rotation: imaginary line perpendicular to the plane of rotation and

passing through the center of rotation

oCardinal planes: three perpendicular reference planes that divide the body in half

by mass

oFrontal plane: plane in which lateral movements of the body and body segments

occur

oGeneral motion: motion involving translation and rotation simultaneously

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