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Kines > Kines Chapter 2 > Flashcards

Kines Chapter 2 Flashcards

flashcards

1
Q

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

A

Biomechanics

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2
Q

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

A

Mechanics

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3
Q

factors associated with non-Moving systems

A

Statics

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4
Q

Involves two factors associated with moving systems; kinetics and kinematics

A

Dynamics

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5
Q

Forces producing stabilization or movement in a system

A

Kinetics

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6
Q

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

A

Kinematics

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7
Q

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

A

scalar quantity

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8
Q

Amount, or aggregate of matter in an object

A

Mass

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9
Q

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

A

Vector

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10
Q

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

A

Force

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11
Q

Mutual attraction between earth of an object

A

Gravity

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12
Q

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

A

Gravitational force

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13
Q

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

A

Weight

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14
Q

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

A

Ground reaction

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15
Q

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

A

Friction

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16
Q

When two or more forces act along the same line

A

Linear forces

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17
Q

Occur in same plane, and insane or opposite direction

A

Parallel forces

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18
Q

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

A

Forced couple

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19
Q

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

A

Concurrent forces

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20
Q

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

A

Resultant force

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21
Q

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

A

Traction

22
Q

Call joint approximation in which joint services are pushed close together

A

Compression

23
Q

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

A

shear

24
Q

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

A

Bending

25
Q

Forces are two opposing forces, creating twisting within an object

A

Torsional

26
Q

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).

A

Velocity

27
Q

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).

A

Acceleration

28
Q

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

A

Torque

29
Q

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

A

Moment arm

30
Q

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

A

Force arm

31
Q

Angle at which force is applied

A

Angle of application of force

32
Q

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

A

Law of inertia

33
Q

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

A

Law of acceleration

34
Q

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

A

Law of action reaction

35
Q

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

A

Center of mass COM

36
Q

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

A

Center of gravity or COG

37
Q

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

A

Line of gravity

38
Q

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

A

Linear motion

39
Q

Movement that occurs in a path that is not circular

A

Curvilinear motion

40
Q

Movement of an object around a fixed point

A

Angular motion, or rotary motion

41
Q

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

A

Simple machine

42
Q

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

A

Mechanical advantage

43
Q

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

A

Lever

44
Q

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

A

Resistance arm

45
Q

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

A

First class lever

46
Q

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

A

Second class lever

47
Q

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

A

Third class lever

48
Q

Is a groove wheel that turns about an axle or axis

A

Pulley

49
Q

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

A

Fix pulley

50
Q

Is a slanted surface that rises from one level to another

A

Incline plane

51
Q

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

A

Movable pulley

Kines (5 decks)

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