pengaruh rangsang exercise terhadap homeostasis

24 oktober 2005
exercise
PENGARUH RANGSANG
EXERCISE TERHADAP
HOMEOSTASIS
exercise
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metabolisme otot
Nani Cahyani Sudarsono
gerakan otot
REVIEWER: DEWI IRAWATI & MINARMA SIAGIAN
DEPARTEMEN I FAAL FKUI
SISTEM DALAM TUBUH YANG TERLIBAT DALAM HOMEOSTASIS
D U Silverthorn, Human Physiology An Integrated Approach
Figure 6-21: Comparison of local and reflex control
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Reflex Control
exercise
exercise
z Stimulus
z Sensory receptor
z Afferent path
z Integration center
z Efferent path
z Effector- target
cell/tissue
z Response (feedback
loop)
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
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nani cahyani sudarsono – dep. i faal FKUI 2005
Control Pathways
ATP
Figure 6-22: Steps of a reflex
pengaruh exercise terhadap homeostasis
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METABOLISME
OTOT
PANAS
24 oktober 2005
exercise
exercise
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Sistem Kardiorespirasi
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METABOLISME
OTOT
ATP
METABOLISME
OTOT
ATP
Bagaimana
pengaturannya?
Otot
Gambar: D U Silverthorn, Human Physiology An Integrated Approach
exercise
PERUBAHAN NEURONEURO-HORMONAL
↓ insulin
↑ glukagon
↑ simpatis
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HOMEOSTASIS ENERGI
↑ambilan &
penggunaan glukosa
di OTOT
exercise
PENGATURAN PERNAPASAN
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nani cahyani sudarsono – dep. i faal FKUI 2005
PERUBAHAN NEURONEURO-HORMONAL
↓ insulin
↑ glukagon
↑ simpatis
↑ambilan &
penggunaan glukosa
di OTOT
pengaruh exercise terhadap homeostasis
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24 oktober 2005
pengaturan pernapasan
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nani cahyani sudarsono – dep. i faal FKUI 2005
pengaturan pernapasan
Mempertahankan
PO2 & PCO2 yang
adekuat
frekuensi & kedalaman napas
Gambar: http://www.biology.eku.edu/RITCHISO/301notes6.htm
PERUBAHAN VENTILASI
hubungannya dengan PO2, PCO2 & pH
Gambar: Marieb – A.D.A.M.S Interactive Physiology: Respiratory System
exercise - peningkatan frekuensi & kedalaman pernapasan
PUSAT PERNAPASAN
SARAF
PENGATURAN KERJA SISTEM
KARDIOVASKULER
METABOLISME
OTOT ↑
HORMON
SARAF
GERAKAN
OTOT
PENINGKATAN KERJA
OTOT PERNAPASAN
NAPAS LEBIH CEPAT,
LEBIH DALAM
umpan
balik
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nani cahyani sudarsono – dep. i faal FKUI 2005
O2 ↓
CO2 ↑
um
ke dpan
epa
n
DARAH
O2 ↑
CO2 ↓
DARAH
SARAF
“NIAT”
INFORMASI DISAMPAIKAN MELALUI
EXERCISE
GAMBAR: http://web.ukonline.co.uk/webwise/spinneret/humans/inhexh.htm
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exercise
Modulation of Contraction
Mempertahankan
perfusi jaringan
yang adekuat
TEKANAN DARAH
Figure 14-12: Modulation of cardiac contraction by catecholamines
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
pengaruh exercise terhadap homeostasis
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24 oktober 2005
Cardiovascular Response to Exercise
Cardiovascular Response to Exercise
Figure 25-7: Distribution of cardiac output at rest and during exercise
Figure 25-7: Distribution of cardiac output at rest and during exercise
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
exercise
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nani cahyani sudarsono – dep. i faal FKUI 2005
Apa dampak peningkatan
aliran darah ke otot?
click here
ATP
METABOLISME
OTOT
PANAS
HOMEOSTASIS SUHU TUBUH
METABOLISME
OTOT
BAGAIMANA
pengaturannya?
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nani cahyani sudarsono – dep. i faal FKUI 2005
exercise
PANAS
pengaruh exercise terhadap homeostasis
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24 oktober 2005
exercise
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METABOLISME
OTOT
PANAS
Rhoades & Pflanzer, Human Physiology
Gambar: Marieb E, Human Anatomy & Physiology
exercise
exercise
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nani cahyani sudarsono – dep. i faal FKUI 2005
berkeringat
HAUS
BAGAIMANA
mekanismenya?
HAUS
↑ ADH release
from Posterior
Pituitary
Cardiovascular
Stretch
Receptors
↑ Plasma ADH
Osmoreseptor
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Dehydration
↓ Extracellular
fluid
volume
↑ Collecting
Duct Water
Permeability
↑ Plasma
Osmolality
Normal
Fluid
Volume
Response to
dehydration
↑ Water intake
↓ Water
Excretion
pengaruh exercise terhadap homeostasis
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Thirst
↑ Water
Reabsorption
Courtesy of Dewi Irawati – Dep of Physiology FMUI
PENGATURAN IMBANGAN
CAIRAN & ELEKTROLIT
24 oktober 2005
imbangan asam basa
PENGATURAN IMBANGAN
ASAM - BASA
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nani cahyani sudarsono – dep. i faal FKUI 2005
pH tubuh optimal: 7.4 (6.9 - 7.7)
produksi H+ ↑ pada exercise
(pH↓)
ventilasi ↑
cairan ekstrasel:
ekstrasel:
plasma & sel darah merah
respons pernapasan
respons ginjal
END NOTE
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nani cahyani sudarsono – dep. i faal FKUI 2005
END NOTE
Pada seorang yang melakukan exercise,
dapatkan Saudara menjelaskan
mekanisme kerja berbagai sistem yang
terlibat dalam homeostasis tubuh?
Pada seorang yang melakukan exercise,
dapatkan Saudara menjelaskan
mekanisme kerja berbagai sistem yang
terlibat dalam homeostasis tubuh?
exercise sebagai rangsang:
rangsang:
exercise:
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
dampak terhadap homeostasis?
sistemsistem-organ yang terlibat?
terlibat?
energi
cairan
suhu tubuh
asam-basa
elektrolit
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nani cahyani sudarsono – dep. i faal FKUI 2005
ekskresi H+
sistem buffer
energi
cairan
suhu tubuh
asam-basa
elektrolit
pengaruh exercise terhadap homeostasis
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24 oktober 2005
exercise:
sistem kontrol
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
z Homeostasis
energi
cairan
suhu tubuh
asam-basa
elektrolit
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nani cahyani sudarsono – dep. i faal FKUI 2005
sistem kontrol yang berperan?
berperan?
z Cepat? Lambat?
z Saraf? Endokrin?
z Komunikasi antar sel?
z Mekanisme?
{Feedback (umpan balik)
{Feedforward (umpan ke depan)
manfaat melakukan exercise
manfaat melakukan
Hippocrates (460-370 SM)
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exercise
if we could give every individual the
right amount of nourishment and
exercise, not too little and not too
much, we would have found the
safest way to health
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manfaat melakukan exercise
Move for health
Raga aktif untuk sehat
pengaruh exercise terhadap homeostasis
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