Kine Exam 1

Front 1

kinesiology Foundation for practice of physical rehab is composed what 3 components

Back 1

anatomy biomechanics and physiology

Front 2

Biomechanics

Back 2

uses principles of physics to quantitatively study how forces interact withing a living body

Front 3

Physiology

Back 3

branch of bio that studies the normal function of living organisms

Front 4

Kinematics

Back 4

branch of mechanics that describes the motion of a body without regard to the forces or torques that may produce the motion

Front 5

rectilinear

Back 5

straight line

Front 6

curvilinear

Back 6

curved line

Front 7

Rotation

Back 7

rigid body moves in a circular path around pivot point

Front 8

how much motion at axis during rotation

Back 8

motion of rotation is zero at the axis

Front 9

Kinetics

Back 9

Branch of mechanics that describe the effects of forces on the body

Front 10

osteoporosis

Back 10

brittle bone

Front 11

Stiffness X/Y

Back 11

stress / strain

Front 12

Viscoelastic

Back 12

physical properties associated with stress-strain curve curve as a function of time

Front 13

Creep

Back 13

progressive strain of a material exposed to a constant load over time

Front 14

vector

Back 14

magnitude and direction

Front 15

Torque

Back 15

product of force X moment arm

Front 16

Moment Arm

Back 16

perpendicular distance between axis of rotation and force

Front 17

Static Rotary Equilibrium

Back 17

internal torque = External torque IF x D = EF x D1

Front 18

Force produced with moment arm cause ____________ and produces _____________

Back 18

torque, movement (Rotation)

Front 19

Force produced without a moment arm with will not cause a ____________ therefore no _________

and this type of force is important for ___________

Back 19

Torque, rotation, stability

Front 20

"Isos" means

Back 20

Equal

Front 21

During _____________ contraction internal torque exceeds external torque producing a ________ in the direction of the __________ of the activated muscle

Back 21

Concentric, rotation, pull

Front 22

External torque exceeds internal torque with __________ muscle action.The joint ___________ in direction of the ___________ ____________ torque

Back 22

eccentric, rotates, larger external

Front 23

_________ or more muscle produce _______ in ___________ directions, yet resultant ___________ is in the _________ rotary direction

Back 23

Two, forces, different, torque, same

Front 24

Internal and External forces typically act in similar linear directions, producing torques in ____________ rotary directions. Forces are on ____________ sides of the center of rotation in a ____ class lever

Back 24

opposite, opposite, 1st

Front 25

Axis of rotation located at one end of a bone

______________ forces greater than the ____________ force. Forces are on the same side of the center of rotation and the ___________ force is closer to the center of rotation.

This is a ________ class lever

Back 25

internal, external, external,

2nd

Front 26

Axis of rotation at ___________ end of a bone.____________ force has greater leverage(____________). Forces are on the _________ side of center of rotation (COR), and the muscle force is _________ to the COR

Back 26

one, External, moment arm, same, closer

Front 27

Ratio of internal moment arm and external moment arm is ___________

1st class lever_________

2nd class lever ________

3rd class lever_________

Back 27

Mechanical advantage MA= IMA/EMA

equal to, less than or greater than 1

greater than 1

less than 1

Front 28

Work =

Back 28

W=F x D

Front 29

With 3rd class levers ________ internal forces are generated for small load activities

Back 29

large