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opstaantijd

Opstaantijd is a Dutch term that describes the time required to move from a seated or lowered position to an upright standing position. It is used as a functional measure in fields such as ergonomics, rehabilitation, sports science, and gerontology to quantify how quickly a person can rise to full standing.

Etymologically, the word combines op- (up or up-to), staan (to stand), and tijd (time), capturing the duration

In clinical and research settings, opstaantijd is closely related to assessments of functional mobility and lower-body

See also: sit-to-stand test, chair-rise test, Timed Up and Go test, functional mobility.

of
the
act
of
standing.
In
practice,
opstaantijd
is
typically
defined
as
the
interval
from
either
the
cue
to
stand
or
the
first
visible
movement
to
the
moment
the
person
is
upright
and
stable.
It
can
be
measured
with
a
stopwatch,
a
timer,
or
video
analysis,
and
is
often
expressed
in
seconds.
strength.
It
can
be
influenced
by
factors
such
as
leg
strength,
balance,
joint
pain,
speed
of
movement,
footwear,
and
cognitive
processing.
It
is
commonly
considered
alongside
other
measures,
such
as
sit-to-stand
tests,
chair-rise
tests,
and
the
Timed
Up
and
Go
test,
to
provide
a
broader
view
of
a
person’s
mobility
and
fall
risk.