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64 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
kinesiology
study of movement
how the body moves w/o forces
kinematics
translation
when all parts of the body are moving in the same direction as every other part.
2 types of translation
rectilinear motion
curvilinear motion
rectilinear motion
straight line
ex. PT pushing pt in wheelchair or throwing a ball in a straight line
curvilinear motion
the up & down movement
curved line
ex. walking or throwing a ball w/ arch motion
active movements
generated by stimulated or a time muscle
having pt do it themselves
ex. flexing an arm over the head
passive movements
What is happening externally (gravity)
ex. resistance of stretched ligament or just letting your arm fall down from the air
________ of entire body is powered by muscles that rotate the limbs
translation
__________ movement of nearly all joints in the body occurs through rotation.
functional
anterior
toward the front of the body
toward the back of the body
posterior
an imaginary line that crosses vertically through the center of the body
midline
medial
toward the midline of the body
lateral
away from the midline of the body
ex. horizontal abd.
above, or toward the head
superior
inferior
below, or toward the feet
closer to, or toward the torso
proximal
distal
away from the torso
Cephalad
toward the head
caudal
toward the feet, or tail
superficial
toward the surface (skin) of the body
deep
toward the inside (core) of the body
the proximal attachment of a muscle or ligament (the base)
origin
insertion
the distal attachment of a muscle or ligament- get the most movement here
prone
describes the position of an individual lying face down
supine
describes the position of an individual lying face up
osteokinematics
the motion of bones relative to the 3 cardinal planes of the body
sagittal plane
left-right division
flex, ext
frontal plane
front-back division
abd, add
axis of rotation- anterior- posterior
frontal, abd, add
axis of rotation:medial-lateral
sagittal- flex,ext
axis of rotation- verticle (longitudinal)
horizontal (transverse)
rotation
motion of one bone approaching the flexor surface of another
flexion
extension
an approximation of the extensor surfaces of two bones
abduction
frontal plane movement away from the midline
adduction
frontal plane movement toward the midline
Internal rotation
anterior bone surface rotates toward the midline
external rotation
anterior bone surface rotates away from the midline
a circular motion through two planes
circumduction
circumduction walking- swinging one leg around another
translation of bone away from midline in a plane parallel to the ground
protraction
scapula
movement of a bony segment toward the midline in a plane parallel to the ground
retraction
scapula
supination
forearm movement that turns the palm anteriorly
pronation
forearm movement that turns the palm posteriorly
radial deviation
lateral hand movement toward the radius
ulnar deviation
medial hand movement toward the ulna
dorsiflexion
sagittal plane ankle motion bringing the foot upward
plantar flexion
sagittal plane ankle motion pushing the foot downward
open-chain motion
movement of distal segment of bone about a relatively fixed proximal segment
closed-chain motion
movement of proximal segment of bone about a relatively fixed distal segment
• can get more function
• tend to make more sense to pts.
arthrokinematics
motion occuring between joint articular surfaces
roll
multiple points along one rotating articular surface contact multiple points on another articular surface
slide
single point on one articular surface contacts multiple points on another articular surface
rule #1 convex on concave
you have a roll with a slide in opposite direction to keep congruency of that joint
rule #2 concave on convex
the roll and slide are in the same direction
kinetics
branch of mechanics that describes the effect of forces on the body
first class lever
similar to a see-saw; fulcrum located between internal and external force (the head)
second class lever
axis of rotation located at one end of the bony lever; internal moment arm always longer than the external moment arm
ex. coming up on tip toes
third class levers
axis of rotation located at one end of the bony lever; internal moment arm always smaller than the external moment arm
ex. bicep curl
line of pull
describes the direction of muscular force
vectors
represent the magnitude and direction of a force
force
a push or pull that can produce, modify, or halt a movement
- provide the ultimate impetus for movement and stability in the body.
- internal or external forces
torque
rotational equivalent of force
- because nearly all joint motions occur about an axis of rotation, the internal and external force acting at a joint are expressed as torque
the amount of torque generated across a joint depends on 2 things?
1. the amount of force exerted
2. the distance between the force and axis of rotation