Chapter 4: Biomechanics

study of how body systems cooperate to perform certain tasks

study of the mechanical principles to understand the function of living organisms and systems

collection of matter

motion in which a body moves in a straight line

motion in which a body moves along a curved path

motion in which a body rotates about a fixed line

axis of rotation is AKA

combination of linear and angular motion

plane that separates the body into front and back

plane that separates the body into left and right

plane that separates the body into top and bottom

study of movement from a descriptive perspective w/o regard to underlying forces

change in velocity per unit time

movement assessment with respect to the forces involved

mechanical action or effect applied to a body that tends to produce acceleration

two types of forces

a body at rest or in motion tends to remain at rest or in motion unless acted upon by an outside force

F=MxA

for every action there is an equal and opposite reaction

mechanism by which momentum is transferred from one body to another

analogous to force for angular movements

This creates an angular acceleration similar to the way this creates a linear acceleration

Joint motions are produced and controlled by the net effect of these two things

ridged structure fixed at a single point (fulcrum or axis) to which two forces are applied