kinesiology - mercer county community college - mccc...
TRANSCRIPT
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KINESIOLOGY
The study of human movement
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Kinesiology
Anatomy
Physiology
Physics
Geometry
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Kinesiology
Kinetics
Kinematics
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Kinesiology
What motions does the
joint allow?
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Kinesiology
A muscle must “span” a
joint to cause motion in
that joint.
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Kinesiology
Line of Pull
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Kinesiology: Motions and Locations
Anatomical Position
Standing upright, eyes
facing forward, feet
parallel and close
together, arms at the
sides with palms facing
forward
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Kinesiology: Positions and Locations
Fundamental Position
Anatomical position, but
the palms are turned
facing the body
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Kinesiology: Positions and Locations
Medial
toward midline
Lateral
away from midline
Anterior
front or ventral
Posterior
back or dorsal
Medial Medial
Lateral Lateral
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Kinesiology: Positions and Locations
Distal
Away from the torso
Proximal
Closer to the torso
Superior
Above or cephalad
(toward the head)
Inferior
Below or caudal (toward
the feet/tail)
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Location, location, location
Superficial
Toward the body’s surface (skin)
Deep
Toward the body’s core (inside)
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Location of parts of muscles
Origin
The proximal
attachment of a
muscle or ligament
Insertion
The distal attachment
of the muscle or
ligament
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Patient position
Prone
The patient’s position
if they are face down
Supine
The patient’s position
if they are face up
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Kinesiology: Motions
Translation or Linear motion
All parts of a “body” move in the same directions
as every other part
Rectilinear – if they move in a straight line (bowling ball)
Curvilinear – occurs in a curved line (baseball)
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Kinesiology
Rotation or Angular
Motion
The arc of movement of
a “body” about an axis of
rotation.
The axis is the pivot
point. (the elbow is the pivot
point and the forearm is
rotating around it.)
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Kinesiology
Osteokinematics
Motion that occurs at
joints due to the joint’s
bony structure.
Joints or articulations –
the articulation of two
bones – where 2 bones
meet.
Open vs. Closed-chain
motion
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Segments and Motions…
In any joint you have a proximal and a distal
segment.
Movement of the distal segment when the
proximal segment is fixed is referred to as an
open-chain motion.
Movement of a proximal segment against a
fixed distal segment is referred to as a
closed-chain motion.
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Open Chain Exercises
Typically use a single joint with the weight
being lifted by a freely movable arm or leg. The hands and feet are free to move
Usually, these are non weight bearing exercises.
The movement occurs at the elbow or knee and the weight is on
the distal end of the limb.
There is an increased stress placed on the joints and therefore
may not be suitable for individuals with joint inflammation or
injuries.
Generally targets an individual muscles
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Open Chain Exercises
Bicep curl
Leg extension
Lat pulldown
Chest press
Leg curls
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Closed Chain Exercises
Involve multiple joints as the resistance is not static and moves
on the anchored part of the body.
The distal segment (hands/feet) are fixed and in constant contact
with a surface.
Typically consist of weight bearing exercises
Strengthen multiple muscle groups simultaneously
Better mimic functional daily movements
Less stress on joints and ligaments
Injury may result due to lack of predictability in real world scenarios, think ACL
injury!
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Closed Chain Exercises help to stabilize the joints and may lead to better coordination and
stability
more common than open chain exercises in rehabilitation, sports
conditioning
Push ups
Squats
Lunges
Pull ups
Leg Press
Dips
Running
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Osteokinematics
Describes the motion
of bones relative to the
three cardinal planes of
the body
Sagittal
Frontal (coronal)
Horizontal (transverse)
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What occurs at this plane of motion?
1. Frontal plane
a. Abduction/adduction
b. Lateral flexion
c. Ulnar and radial
deviation
d. Eversion and
inversion
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What occurs at this plane of motion?
2. Sagittal plane
a. Flexion and extension
b. Dorsiflexion and
plantar flexion
c. Forward and
backward bending
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What occurs at this plane of motion?
3. Horizontal plane
a. Internal (medial) and
external (lateral)
rotation
b. Axial rotation
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PART II
MOTIONGET READY TO MOVE!!!!
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Kinesiology: Motions
Flexion
Bending movement
Causing a decrease in
joint angle
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Kinesiology: Motions
Extension
Straightening movement
Causing an increase in
the joint angle
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Kinesiology: Motions
ABDuction
Movement away from
midline
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Kinesiology: Motions
ADDuction
Movement toward
midline
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Kinesiology: Motions
Circumduction
Combination of flexion, extension, ADDuction and
ABDuction in a sequence in the air
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Kinesiology: Motions
Rotation
Internal rotation
(Medial rotation)
The anterior surface
moves toward midline
rotating around its
longitudinal axis
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Kinesiology: Motions
Rotation
External
(Lateral)
The anterior surface of
the structure moves
away from midline
rotating around its
longitudinal axis.
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Kinesiology: Motions
Inversion
Moving the sole of the
foot inward at the ankle
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Kinesiology: Motions
Eversion
Moving the sole of the
foot outward at the ankle
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Kinesiology: Motions
Protraction
Movement along the
plane parallel to the
ground and away from
midline
Retraction
Movement the opposite
of protraction
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Kinesiology: Motions
Supination
Anatomical position of
the forearm
Palm facing forward or
anteriorly
Palm is facing UP
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Kinesiology: Motions
Pronation
The palm is facing
posteriorly or down
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Kinesiology: Motions
Palmar flexion
Flexion at the wrist
Plantar flexion
Flexion at the ankle
Pushing the foot
downward
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Kinesiology: Motions
Dorsiflexion
Extension at the ankle
Bringing the foot upward
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Kinesiology: Motions
Horizontal ABD/ADD
When the shoulder joint
is flexed to 90o and then
ABD (away from midline)
or ADD (toward midline)
ABD
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Kinesiology: Motions Ulnar deviation
When the wrist moves
the hand medially toward
the ulna
Radial deviation
When the wrist moves
the hand laterally toward
the radius
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Kinesiology: Motions
Lateral bending
When the neck or trunk
moves sideways in the
frontal plane
Also known as lateral
flexion or sidebending