Journal of Mechanics in Medicine and Biology,
Год журнала:
2023,
Номер
23(09)
Опубликована: Сен. 18, 2023
Recently,
as
modern
people’s
consumption
trends
have
been
concentrated
on
contactless
such
online
shopping
since
the
2019
COVID-19
Pandemic,
delivery
industry,
which
is
in
charge
of
physical
movement
activities,
has
also
seen
a
series
utilization
and
demand.
However,
contrast
to
rapidly
increasing
volume
couriers,
labor
environment
courier
workers
poor,
rapid
increase
demand
for
service
after
Pandemic
led
rise
musculoskeletal
diseases
workers.
Various
muscle
support
systems
wearable
robots
developed
prevent
industrial
sites,
but
system
bulky,
so
total
weight
high,
they
are
inconvenient
wear,
wearers
cannot
freely
perform
activities
when
power
not
supplied.
In
this
study,
disadvantages
hard
robot
systems,
supply,
were
supplemented
through
elastic
rubber
bands
wires.
addition,
suits
reduce
load
body,
overwork,
verify
effectiveness
work
clothes,
The
experiment
was
conducted
whether
suit
affects
strength
assistance
by
measuring
usage
lifting
Maximum
Voluntary
Contract
(MVC).
types
classified
into
three
types,
effects
waist
lower
extremities
according
compared.
Ergonomics,
Год журнала:
2024,
Номер
unknown, С. 1 - 15
Опубликована: Март 5, 2024
Passive
back-assist
exosuits
may
be
beneficial
for
construction
workers,
but
few
evaluations
have
been
conducted
with
actual
workers
and
construction-relevant
tasks.
This
paper
presents
a
laboratory
study
of
the
HeroWear
Apex
exosuit
35
participants:
15
significant
experience
20
without
it.
Participants
completed
several
approximations
brief
tasks
(lifting,
carrying,
raising
boards)
three
3-min
(hunched
standing,
kneeling,
hunched
walking
nail
gun)
exosuit.
During
tasks,
erector
spinae
electromyograms
were
reduced
in
all
(Cohen's
d
up
to
−0.58),
kinematics
suggested
load
shifting
from
back
legs,
was
perceived
as
helpful.
helpful
only
during
kneeling.
Thus,
benefit
construction-related
though
objective
benefits
could
not
shown
standing
or
walking.
Journal of Applied Biomechanics,
Год журнала:
2023,
Номер
39(1), С. 22 - 33
Опубликована: Янв. 17, 2023
This
study
assessed
the
effectiveness
of
a
passive
back
support
exoskeleton
during
mechanical
loading
task.
Fifteen
healthy
participants
performed
simulated
patient
transfer
task
while
wearing
Laevo
(version
2.5)
exoskeleton.
Collected
metrics
encompassed
L5-S1
joint
moments,
and
abdominal
muscle
activity,
lower
body
kinematics,
center
mass
displacement,
movement
smoothness.
A
statistical
parametric
mapping
analysis
approach
was
used
to
overcome
limitations
from
discretization
continuous
data.
The
reduced
moments
trunk
flexion,
but
device
restricted
flexion
when
flexing
as
well
hip
knee
extension,
preventing
standing
fully
upright.
Moreover,
limited
motion
in
caudal
direction
increased
its
anterior
direction.
Therefore,
partly
lowering
phase
task,
there
were
some
undesired
effects
such
altered
kinematics
displacement.
Statistical
useful
determining
benefits
hindrances
produced
by
performing
should
be
utilized
further
studies
inform
design
appropriate
usage.
Journal of the Korean Society for Precision Engineering,
Год журнала:
2024,
Номер
41(1), С. 47 - 53
Опубликована: Янв. 1, 2024
Quick
picking
and
heavy
lifting
are
the
most
common
problems
in
current
workplaces.
They
can
cause
lumbar
muscle
damage.
The
operator
then
must
spend
energy,
time,
money
for
recovery
or
rehabilitation.
To
solve
this
problem,
we
developed
a
passive-type
assistive
suit
using
air
mesh
material,
elastic
band,
wire.
determine
strength
support
effect
of
suit,
electromyography
(EMG)
was
performed
eight
muscles
maximum
voluntary
contraction
(MVC)
analyzed
when
weights
0%,
15%,
30%
subject’s
weight
Semisquat
motion.
Results
showed
that
MVC
increased
as
object
increased.
However,
its
increase
not
proportional
to
decrease
according
presence
absence
suits
object.
highest
observed
erector
spinae
under
all
conditions.
greatest
working
clothes
measured
vastus
lateralis
(lifting:
17.7±2.95%,
lowering:
18.3±0.55%).
These
results
show
work
while
wearing
wires
bands
is
effective
assisting
activity.
International Journal of Environmental Research and Public Health,
Год журнала:
2024,
Номер
21(12), С. 1695 - 1695
Опубликована: Дек. 19, 2024
This
review
provides
a
comprehensive
analysis
of
studies
investigating
the
impact
occupational
exoskeletons
on
work-related
musculoskeletal
disorder
(WMSD)
risk
factors.
The
primary
objective
is
to
examine
methodologies
used
assess
effectiveness
these
devices
across
various
tasks.
A
systematic
was
conducted
following
PRISMA
guidelines,
covering
published
between
2014
and
2024.
total
49
were
included,
identified
through
searches
in
Scopus
Web
Science
databases,
with
search
string
launched
August
identifies
growing
body
research
passive
active
exoskeletons,
notable
focus
laboratory-based
evaluations.
results
indicate
that
direct
measurement
self-report
methods
are
preferred
approaches
domains.
Ergonomic
limitations
user
discomfort
remain
concerns
some
cases.
findings
this
may
influence
stakeholders
by
providing
insights
into
potential
benefits
adopting
improving
workplace
ergonomics
reduce
WMSD
risks.
Additionally,
identification
assessment
will
be
valuable
for
validating
use
technologies
workplace.
concludes
recommendations
future
research,
emphasizing
need
more
real-world
assessments
improved
exoskeleton
designs
enhance
comfort
efficacy.
2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC),
Год журнала:
2023,
Номер
unknown, С. 1 - 4
Опубликована: Июль 24, 2023
Passive
back
support
exoskeletons,
which
the
human
trunk
using
elements
like
springs
and
elastic
bands,
have
demonstrated
positive
results
in
laboratory-based
studies,
but
seen
significantly
less
field
testing.
As
an
intermediate
step
between
generic
lab
evaluations
tests,
we
conducted
a
single-session
evaluation
of
HeroWear
Apex
exoskeleton
with
mockup
construction
tasks:
20
adult
men
(without
extensive
experience)
lifted,
carried
raised
lumber
boards
(265
cm
length,
up
to
18
kg
total
load).
The
reduced
mean
erector
spinae
electromyograms,
effect
sizes
(Cohen's
d)
ranging
from
-0.2
-0.55
–
corresponding
reductions
5-25%
relative
noexoskeleton
electromyogram
values.
In
asymmetric
carrying
tasks,
provided
more
assistance
heavily
loaded
muscle.
Additionally,
lifting
decreased
trunk/hip
flexion/extension
range
motion
increased
knee
motion,
indicating
changes
strategy.
These
indicate
potential
benefits
for
board
will
serve
as
basis
further
workers
field.Clinical
Relevance—
This
study
establishes
that
passive
reduces
electromyograms
by
525%
when
used
work.
Computer Methods in Biomechanics & Biomedical Engineering,
Год журнала:
2024,
Номер
unknown, С. 1 - 11
Опубликована: Май 16, 2024
Industrial
back
support
exoskeletons
are
a
promising
solution
to
alleviate
lumbar
musculoskeletal
strain.
Due
the
complexity
of
spinal
loading,
evaluation
EMG
data
alone
has
been
considered
insufficient
assess
their
effects,
and
complementary
kinematic
dynamic
required.
However,
acquisition
marker-based
kinematics
is
challenging
with
exoskeletons,
as
anatomical
reference
points,
particularly
on
pelvis,
occluded
by
exoskeleton
structures.
The
aim
this
study
was
therefore
develop
validate
method
reliably
reconstruct
pelvic
markers.
movement
six
subjects,
for
whom
markers
could
be
placed
while
wearing
an
exoskeleton,
were
used
test
reconstructions
compare
them
landmarks
during
lifting,
holding
walking.
Two
separate
approaches
reconstruction.
One
coordinate
system
based
only
(EXO),
suggested
in
literature,
our
proposed
adds
technical
marker
region
(LUMB)
compensate
any
shifting
between
pelvis.
Reconstruction
EXO
yielded
average
absolute
linear
deviation
54
mm
±
16
(mean
1SD)
compared
additional
LUMB
reduced
mean
deviations
14
7
1SD).
Both
methods
values
from
literature
expected
variances
due
placement
soft
tissue
artifacts.
For
99%
within
defined
threshold
24
±9
91%
outside.
Journal of Mechanics in Medicine and Biology,
Год журнала:
2023,
Номер
23(09)
Опубликована: Сен. 18, 2023
Recently,
as
modern
people’s
consumption
trends
have
been
concentrated
on
contactless
such
online
shopping
since
the
2019
COVID-19
Pandemic,
delivery
industry,
which
is
in
charge
of
physical
movement
activities,
has
also
seen
a
series
utilization
and
demand.
However,
contrast
to
rapidly
increasing
volume
couriers,
labor
environment
courier
workers
poor,
rapid
increase
demand
for
service
after
Pandemic
led
rise
musculoskeletal
diseases
workers.
Various
muscle
support
systems
wearable
robots
developed
prevent
industrial
sites,
but
system
bulky,
so
total
weight
high,
they
are
inconvenient
wear,
wearers
cannot
freely
perform
activities
when
power
not
supplied.
In
this
study,
disadvantages
hard
robot
systems,
supply,
were
supplemented
through
elastic
rubber
bands
wires.
addition,
suits
reduce
load
body,
overwork,
verify
effectiveness
work
clothes,
The
experiment
was
conducted
whether
suit
affects
strength
assistance
by
measuring
usage
lifting
Maximum
Voluntary
Contract
(MVC).
types
classified
into
three
types,
effects
waist
lower
extremities
according
compared.
