Shared Flashcard Set

Details

A&P
Posture and Gait
39
Anatomy
Undergraduate 1
03/27/2013

Additional Anatomy Flashcards

 


 

Cards

Term
Biomechanics
Definition
Taking the principles & methods of mechanics & applying them to the structure & function of the human body
Term
Mechanics
Definition
Study of forces & motion produced by their actions
Term
Static
Definition
Non-moving
Term
Dynamic
Definition
Moving systems
Term
Kinetic
Definition
Forces causing movement in a system
Term
Kinematics
Definition
Involves the time, space and mass aspect of moving
Term
Osteokinematics
Definition
Bones move space without regard to the movement of joint surfaces (shoulder flexion/extension)
Term
Arthrokinematics
Definition
Adjoining joint surfaces move in relation to each other (same or opposite directions)
Term
Force
Definition
Push or pull action
Term
Vector
Definition
Quantity having both magnitude and direction (pushing at a certain speed in a certain direction)
Term
Velocity
Definition
A vector that describes speed and is measured in units
Term
Scalar
Definition
Quantity that describes only magnitude (length area volume)
Term
Mass
Definition
Amount of matter that a body contains
Term
Inertia
Definition
Property of matter that causes it to RESIST any changes of its motion in either speed or direction
Term
Torque
Definition
Tendency of force to produce rotation around an axis (muscles in the body produce motion around an axis)
Term
Friction
Definition
Force developed by 2 surfaces, which tends to prevent motion of one surface across another (sliding feet with stockings across carpet)
Term
Newton's 3 Laws
Definition
Law of Inertia, Law of Acceleration, Law of Action-Reaction
Term
Law of Inertia
Definition
The tendency of an object to stay at rest or in motion (example: whiplash)
Term
Law of Acceleration
Definition
Amount of acceleration depends on the strength of the force applied
Term
Law of Action-Reaction
Definition
For every action there is an equal and opposite action
Term
Acceleration
Definition
Any change in the velocity of an object
Term
Force
Definition
One object must act on another
Term
Push
Definition
Creates compression
Term
Pull
Definition
Creates tension
Term
Linear
Definition
2 or more forces pulling along the same line
Term
Parallel
Definition
Same plane and in opposite direction
Term
Concurrent
Definition
Two or more forces must act on a common point
Term
Resultant
Definition
Overall effect of the two different forces of the concurrent forces
Term
Parallelogram
Definition
Graph showing vector using solid lines (two forces) complete the parellogram using dotted lines
Term
Force couple
Definition
Two or more forces act in different directions- results in a turning effect
Term
Torque
Definition
Moment of force/ability of force to produce rotation around an axis. It is the greatest when the angle of pull is a 90 degrees. No torque is produced if the force is directed exactly through the axis of rotation.
Term
Stabilizing force
Definition
The force generated by the muscle is primarily a stabilizing force
Term
Angular force
Definition
Force that is generated by the muscle
Term
Dislocation force
Definition
Past 90 degrees- force is directed away from the joint
Term
State of equilibrium
Definition
Depends on the relationship between the object's center of gravity and it's base of support
Term
Gravity
Definition
The mutual attraction between earth and an object
Term
Gravitational forces
Definition
Always directed vertically downward and toward the center of the earth
Term
Center of gravity
Definition
Balance point of an abject at which torque on all sides is equal
Term
Base of support
Definition
Part of the body that is in contact with the supporting surface
Supporting users have an ad free experience!