Infographic: Head protection
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A helmet is the first line of defense in crashes, but experts say it lacks flexibility to protect against angular acceleration, a leading cause of rotational head and brain injuries.
![](https://latimes-graphics-media.s3.amazonaws.com/assets/img/ai2html/la-fi-g-0620-helmet-safety/la-fi-g-0620-helmet-safety-320.jpg)
Conventional rigid protection for
high-impact collision
General helmets provide a range of protection
against head injury from high-impact collisions,
but are considered too rigid to protect against
angular acceleraton. Their standard design
consists of a hard poly-carbonate or fiblerglass
exterior and a polysterene (EPS) or expanded
Styrofoam inner layer.
During a high-impact crash
Hard exterior
withstands
blunt force
Thick
inner liner
absorbs
energy from
impact
Types of standard helmet protection
Half shell
Three-quarter shell
Full shell
Protection
Maximum
Minimum
How the 6D “suspension”
technology works
6D Helmets’ technology aims to reduce angular
acceleration with flexible isolation “dampers” that
reduce head rotation at impact.
Flexible
rubber
joint
Damper
Isolation cup
The dampers also provide omni-directional shearing
in different directions, thereby reducing angular
acceleration of the head and brain.
Load
distribution
cup
Layers of protection
High-impact energy
is dispersed
Hard composite exterior
withstands blunt force
and disperses the
impact energy.
Transfered energy
is absorbed
Inner EPS layers
absorb the high-impact
energy transferred from
the hard outer layer.
6D ATR-1
Off-road helmet
Damper technology
slows head rotation
Dampers connect two
EPS liners, allowing the
inner liner to move in
any direction during
impact. This helps
prevent the head from
rotating.
Chin, jaw
and nose
protector
Straps
Retention
system
secures
helmet.
![](https://latimes-graphics-media.s3.amazonaws.com/assets/img/ai2html/la-fi-g-0620-helmet-safety/la-fi-g-0620-helmet-safety-460.jpg)
Conventional rigid protection for high-impact collision
General helmets provide a range of protection against head injury from
high-impact collisions, but are considered too rigid to protect against
angular acceleraton. Their standard design consists of a hard
poly-carbonate or fiblerglass exterior and a polysterene (EPS) or expanded
Styrofoam inner layer.
During a high-impact crash
Hard exterior
withstands blunt force
Thick inner liner
absorbs energy from
impact
Types of standard helmet protection
Half shell
Full shell
Three-quarter
shell
Protection
Maximum
Minimum
How the 6D “suspension” technology works
6D Helmets’ technology aims to reduce angular acceleration with flexible
isolation “dampers” that reduce head rotation at impact.
Flexible
rubber
joint
Damper
Isolation cup
The dampers also provide omni-directional shearing in different directions,
thereby reducing angular acceleration of the head and brain.
Load
distribution
cup
Layers of protection
High-impact energy
is dispersed
Hard composite exterior
withstands blunt force and
disperses the impact energy.
Transfered energy
is absorbed
Inner EPS layers absorb the
high-impact energy transferred
from the hard outer layer.
6D ATR-1
Off-road helmet
Chin, jaw
and nose
protector
Straps
Retention system
secures helmet.
Damper technology slows
head rotation
Dampers connect two EPS
liners, allowing the inner liner to
move in any direction during
impact. This helps prevent the
head from rotating.
![](https://latimes-graphics-media.s3.amazonaws.com/assets/img/ai2html/la-fi-g-0620-helmet-safety/la-fi-g-0620-helmet-safety-600.jpg)
Conventional rigid protection for high-impact collision
General helmets provide a
range of protection against
head injury from high-impact
collisions, but are considered
too rigid to protect against
angular acceleraton. Their
standard design consists of a
hard poly-carbonate or
fiblerglass exterior and a
polysterene (EPS) or expanded
Styrofoam inner layer.
During a high-impact crash
Hard exterior
withstands blunt
force
Thick inner liner
absorbs energy
from impact
Types of standard helmet protection
Full shell
Half shell
Three-quarter
shell
Protection
Maximum
Minimum
How the 6D “suspension” technology works
6D Helmet’s technology aims to reduce angular acceleration with flexible isolation
“dampers” that reduce head rotation at impact.
Flexible
rubber
joint
Damper
Isolation cup
The dampers also provide omni-directional shearing in different directions, thereby reducing
angular acceleration of the head and brain.
Load
distribution
cup
Layers of protection
High-impact energy
is dispersed
Hard composite exterior
withstands blunt force and
disperses the impact energy.
Transfered energy
is absorbed
Inner EPS layers absorb
the high-impact energy
transferred from the hard
outer layer.
Damper technology slows
head rotation
Dampers connect two EPS
liners, allowing the inner liner to
move in any direction during
impact. This helps prevent the
head from rotating.
Chin, jaw
and nose
protector
6D ATR-1
Off-road helmet
Straps
Retention system
secures helmet.
![](https://latimes-graphics-media.s3.amazonaws.com/assets/img/ai2html/la-fi-g-0620-helmet-safety/la-fi-g-0620-helmet-safety-720.jpg)
Conventional rigid protection for high-impact collision
General helmets provide a range
of protection against head injury
from high-impact collisions, but
are considered too rigid to
protect against angular acceleraton.
Their standard design consists of a
hard poly-carbonate or fiblerglass
exterior and a polysterene (EPS)
or expanded Styrofoam inner layer.
During a high-impact crash
Hard exterior
withstands
blunt force
Thick inner liner
absorbs energy
from impact
Types of standard helmet protection
Three-quarter
shell
Half shell
Full shell
Protection
Maximum
Minimum
How the 6D “suspension” technology works
6D Helmets’ technology aims to reduce angular
acceleration with flexible isolation “dampers”
that reduce head rotation at impact.
The dampers also provide omni-directional
shearing in different directions, thereby reducing
angular acceleration of the head and brain.
Flexible
rubber
joint
Damper
Load
distribution
cup
Isolation cup
Layers of protection
Damper technology slows
head rotation
Dampers connect two EPS
liners, allowing the inner liner
to move in any direction during
impact. This helps prevent
the head from rotating.
High-impact energy
is dispersed
Hard composite exterior
withstands blunt force and
disperses the impact energy.
Transfered energy
is absorbed
Inner EPS layers
absorb the high-impact
energy transferred from
the hard outer layer.
Chin, jaw
and nose
protector
6D ATR-1
Off-road helmet
Straps
Retention system
secures helmet.
![](https://latimes-graphics-media.s3.amazonaws.com/assets/img/ai2html/la-fi-g-0620-helmet-safety/la-fi-g-0620-helmet-safety-900.jpg)
Conventional rigid protection for high-impact collision
General helmets provide a range of
protection against head injury from
high-impact collisions, but are considered
too rigid to protect against angular
acceleraton. Their standard design consists
of a hard poly-carbonate or fiblerglass
exterior and a polysterene (EPS) or
expanded Styrofoam inner layer.
During a high-impact crash
Hard exterior
withstands blunt force
Thick inner liner
absorbs energy
from impact
Types of standard helmet protection
Three-quarter
shell
Half shell
Full shell
Protection
Minimum
Maximum
How the 6D “suspension” technology works
6D Helmets’ technology aims to reduce angular acceleration
with flexible isolation “dampers” that reduce head rotation
at impact.
The dampers also provide omni-directional shearing in
different directions, thereby reducing angular acceleration
of the head and brain.
Flexible
rubber
joint
Damper
Load
distribution
cup
Isolation cup
Layers of protection
High-impact energy
is dispersed
Hard composite exterior
withstands blunt force and
disperses the impact energy.
Transfered energy is
absorbed
Inner EPS layers absorb
the high-impact energy
transferred from the hard
outer layer.
Chin, jaw
and nose
protector
Damper technology
slows head rotation
Dampers connect two
EPS liners, allowing the
inner liner to move in any
direction during impact.
This helps prevent the
head from rotating.
6D ATR-1
Off-road helmet
Straps
Retention system
secures helmet.
Source: 6D Helmets LLC. Graphics reporting by Lorena Iñiguez Elebee
Lorena Elebee @latimesgraphics
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