NUTR 1010 Lecture Notes - Heat Exhaustion, Skeletal Muscle, Cottage Cheese
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Summary of last class
Summary of last class
•
Physical activity confers many health
Physical
activity
confers
many
health
benefits
Canadian guidelines recommend 60 min every
–
Canadian
guidelines
recommend
60
min
every
day (less as intensity increases)
–
Many Canadians do not meet recommendations
Many
Canadians
do
not
meet
recommendations
•ATP fuels physical activity
Pd df 3 t d di
–
P
ro
d
uce
d
f
rom
3
energy sys
t
ems,
d
epen
di
ng on
type, intensity and duration of activity
Ideal reco er food pro ides CHO and
•
Ideal
reco
v
er
y
food
pro
v
ides
CHO
and
protein
Let’s start with ENERGYENERGY
http://blogs.eveningsun.com/sportingword/Michael%20Phelps.jpg
Energy requirements vary w/
iifii
i
ntens
i
ty o
f
act
i
v
i
ty
Intensity* kcal/kg/day
Low to moderate
37
41
Low
to
moderate
37
-
41
Moderate to high 44-50
Serious event training >50 kcal
*regardless of whether endurance (uses energy) or*regardless of whether endurance (uses energy) or
strength activity (requires less energy but athletesstrength activity (requires less energy but athletes
are bigger and have more lean mass) are bigger and have more lean mass)