Kines Chapter 2

Question 1

The application of principles and methods of mechanics to the structure (anatomy) and function (Kinesology) of the human body to produce stability and movement

Answer 1

Biomechanics

Question 2

Branch of physics, dealing with the study of forces, and the effect of application of forces, on stability and motion of the body

Answer 2

Mechanics

Question 3

factors associated with non-Moving systems

Answer 3

Statics

Question 4

Involves two factors associated with moving systems; kinetics and kinematics

Answer 4

Dynamics

Question 5

Forces producing stabilization or movement in a system

Answer 5

Kinetics

Question 6

Motion created by forces and incorporates the factors of times space and mass of a moving system

Answer 6

Kinematics

Question 7

Describes magnitude only; examples. Speed, length, area, volume, mass.

Answer 7

scalar quantity

Question 8

Amount, or aggregate of matter in an object

Answer 8

Mass

Question 9

Describes, magnitude and direction; examples. Force, velocity, acceleration.

Answer 9

Vector

Question 10

Is the amount and direction of push or pull applied to objects of body segments

Answer 10

Force

Question 11

Mutual attraction between earth of an object

Answer 11

Gravity

Question 12

Force exerted on an object or person, as a result from gravity

Answer 12

Gravitational force

Question 13

Result of gravitational force, and mass of an object, and always pushes directly downward

Answer 13

Weight

Question 14

Upward force, a supporting surface exerts on an object (person) when a person pushes down on supporting surface

Answer 14

Ground reaction

Question 15

Forced between two surfaces that increases resistance to motion of one surface across another

Answer 15

Friction

Question 16

When two or more forces act along the same line

Answer 16

Linear forces

Question 17

Occur in same plane, and insane or opposite direction

Answer 17

Parallel forces

Question 18

Specific configuration of parallel forces, occurring when two or more forces act in different directions, producing either clockwise or counterclockwise rotation

Answer 18

Forced couple

Question 19

When two or more forces act on an object, but push or pull in different directions

Answer 19

Concurrent forces

Question 20

Represents the sum of the magnitudes and direction of each individual, force, vector, indicating the magnitude and direction of movement, resulting from the application of all horses acting on an object

Answer 20

Resultant force

Question 21

Forces calls, join distraction, in which joint surfaces, pull apart from one another, placing tension on tissues that whole joint together

Answer 21

Traction

Question 22

Call joint approximation in which joint services are pushed close together

Answer 22

Compression

Question 23

Forces cause a gliding motion, in which joint services move parallel to one another

Answer 23

shear

Question 24

Occurs when a force is not applied at the central axis of an elongated object, such a long bone, and the object bends

Answer 24

Bending

Question 25

Forces are two opposing forces, creating twisting within an object

Answer 25

Torsional

Question 26

Is the rate of change of position (magnitude) and the direction of that change, measured by change of distance within a given time, such as feet (distance traveled) per second(time).

Answer 26

Velocity

Question 27

The rate of change of velocity (magnitude) and direction of that change, measured by changing velocity (distance traveled per unit of time) per second(time).

Answer 27

Acceleration

Question 28

Term movement of force is the tendency of a force to produce rotation about an axis

Answer 28

Torque

Question 29

Perpendicular distance between the line of application of force in the axis of rotation

Answer 29

Moment arm

Question 30

The linear distance from the application of force to the axis of rotation

Answer 30

Force arm

Question 31

Angle at which force is applied

Answer 31

Angle of application of force

Question 32

This law states that an object either stays at rest, or remains in motion in a constant state, unless acted upon by an external force

Answer 32

Law of inertia

Question 33

To relationship between force mass and acceleration acceleration of an object is inversely related to the mass of an object, and directly proportionate to the amount of force applied to the object

Answer 33

Law of acceleration

Question 34

States that for every action there's an equal and opposite reaction

Answer 34

Law of action reaction

Question 35

Is the point at which the sum of the mass of all body segments is located

Answer 35

Center of mass COM

Question 36

Is the point at which gravity acts on the center of mass

Answer 36

Center of gravity or COG

Question 37

Is an imaginary vertical line, passing through the COG to the center of the Earth

Answer 37

Line of gravity

Question 38

Also, term, transitory motion occurs when all parts of an object move the same distance in the same direction at the same time

Answer 38

Linear motion

Question 39

Movement that occurs in a path that is not circular

Answer 39

Curvilinear motion

Question 40

Movement of an object around a fixed point

Answer 40

Angular motion, or rotary motion

Question 41

Is a tool that permits a change in magnitude or effort (force) or direction of force required to lift a load or both

Answer 41

Simple machine

Question 42

Simple machines that changed the relationship between force and distance necessary to create or control motion

Answer 42

Mechanical advantage

Question 43

Is a rigid plank that can rotate about a fulcrum when forces are applying

Answer 43

Lever

Question 44

Is the MA between the resistance (load) hey lover must move in the axis of the leverage

Answer 44

Resistance arm

Question 45

Between the force and resistance producing a configuration of F> A>R or R>A>F

Answer 45

First class lever

Question 46

Resistance is between the axis, and forced producing a configuration of A>R>F or F>R>A

Answer 46

Second class lever

Question 47

Horses between the resistance and axis, producing a configuration of A>F>R or R>F>A

Answer 47

Third class lever

Question 48

Is a groove wheel that turns about an axle or axis

Answer 48

Pulley

Question 49

Is a single pulley attached to a fixed point creating a first class level configuration

Answer 49

Fix pulley

Question 50

Is a slanted surface that rises from one level to another

Answer 50

Incline plane

Question 51

Combines the principle of a fixed pulley to change direction of force application in the principle of a moving pulley to change the magnitude of force applied to lift a load

Answer 51

Movable pulley