2
Human
Anatomy Lab & physlology
Blood Pressure & Effects of Exercise
moving through limited space. This pressure.
(MAp) depends on the resistance to fluid
movement (known u: r91"r. peripherar
resisiance'*
system and the amount of fluid aue-mpting
yny th;gt ;h. circulatory
topasstr"igo rhat resistive space (co).
t
MAp = CO*TpR
we know that co increases during exercisen
but we also w
As musclet *: u:.q, they"increase their p.rfurion ant to know what happens to
by opening arterioles. This
vasodilation is due to both hormonal
effects Gucfi
,irrururing epinephrine) and local
responses to hypoxia (such as
the release or njtric "r
rhJamouni oiirooa
into exercising muscle can in.tturr
lv as much as ".ra.j. As muscle urt.riol* going
2ltimes!
open,
TPR is reduced, offsetting the increased effects
of co-on MAp. In this lab we
will
measure MAP and estimate co,
so that we can assess how exercise
affects TpR.
TPR
Experimental set up
You should spend some time working
wjth-vourpartner and get familiar taking
his o
blood pressure' onceyou are capabli
orrervigid"g ur""a pressure measurimentsr her
on
the first fiy you should:near*.
vo* purto.i, biood pirrr*, and heart rate under the
following conditions after rayinjaotni
rot trr".i*ir;;;*
sitting for rwo minutes,
after standing for trvo mrnutet, iir.ttty
post-exercise 1r*rr.i.. should
last for at least l0
minutes) and five measurements taken
at two-minute intervals following
exercise.
You'll
need the following data for analysis:
Heart Rate (beats/min) (HR)
Systolic Btood pressure
Diastolic Btood pressure
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