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TABLE 3: ENERGY COST OF ACTIVITIES IN EARLY ADOLESCENCE, BOYS (13-14 YEARS)

** Ref No.

Sex

Age y

Nut. St.

Ethnic group

Country or region, R/U, D/I

SES

Activity

Methodology

n

Weight (kg)

BMR kcal/min

Energy cost

kcal/min

cal/kg/min

X MBR

LYING DOWN AT REST

17

M

11.3 1.0 (12-14)

N

Chinese

Singapore
U, D

U

Lying at rest

K M

14

52.6 9.4

* 1.09

1.08 0.19

20.5 3.7

*
0.99

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, D

M

Lying at rest

K M

16

31.3 5.6

#
0. 83

0.86 0.20

27.3 5.3

*
1.04

4

M

11.0-13.9

N

ladino

Guatemala
U, D

L

Lying at rest

Douglas bag

14

30.4 4.4

#
0.82 0.05

0.88 0.12

29 3.1

1.06

SITTING QUIETLY, READING, WRITING

4

M

11.0-13.9

N

ladino

Guatemala
U, D

L

Sitting quietly, reading or writing

Douglas bag

14

30.4 4.4

#
0.82 0.05

0.91 0.11

30 2.2

1.10

17

M

13.5 1.0 (12-14)

N

Chinese

Singapore
U, D

U

Sitting quietly, reading or writing

K M

42 in
14 ch.

52.6 9.4

#
1.09

*
1.07 0.18

*
20.3 4.1

*
0.98

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, D

M

Sitting quietly, reading or writing

K M

48 in
16 ch.

31.3 5.6

#
0.83

*
0.87 0.19

*
27.9 4.9

*
1.05

7

M

12.3-14.1

N

"varied"

U.S.
U, I

L

Quiet play. checkers, puzzles, games

Indirect calorimetry chamber; VCO2; assumed RQ = 0.82

22 in
10 ch.

41.0

0.89

1.44

35.0 3.3

1.61

16

M

13

N

white

U.K.
U, I

U
M

Sitting

Douglas bag

?

&
45.0

#&
1.00

1.25

&
27.8

*
1.25

STANDING QUIETLY WITH LITTLE MOVEMENT

17

M

3.5 1.0 (12-14)

N

Chinese

Singapore
U, D

U

Standing

K M

14

52.6 9.4

*
1.09

1.29 0.15

24.5 5.0

1.18

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, D

M

Standing

K M

16

31.3 5.6

#
0.83

1.03 0.20

30.2 4.0

*
1.24

16

M

13

?

white

U.K.
U, I

M

Standing

Douglas bag

?

&
45

#&
1.00

1.40

&31.1

*
1.40

STANDING AND MOVING

4

M

11.0-13.11

N

ladino

Guatemala
U, D

L

Standing, bending and tossing a ball

Douglas bag

14

30.4 4.4

#
0.82 0.05

1.77 0. 4

58 10.5

2.13

16

M

13

?

white

U.K.
U, I

M

"Waiting about"

Douglas bag

?

&
45

#&
1.00

2.14

47.6

*
2.14

19

M
F

13-14

?

?

USSR
?, I

?

Playing balalaika, mandolin and klavier

?

5

41

#
0.91

1.80

*
43.9

*
1.98

WALKING, FREE VELOCITY, LEVEL GROUND

4

M

11.0-13.9

N

ladino

Guatemala
U, I

?

Walking, 66./min.

Douglas bag

14

30.4 4.4

#
0,82 0.05

2.38 0.26

79 8.5

2.89

17

M

13.5 1.0 (12-14)

N

Chinese

Singapore
U, I

U

Walking, 67-115 m/min (mean = 85 m/min).

K M

14

52.6 9.4

#*
1.09

2.70 0.49

51.3 13.3

2.48

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, I

M

Walking, 67-115 m/min (mean = 85 m/min).

K M

16

31.3 5.6

#*
0.83

2.10 0.44

61.0 9.3

2.53

16

M

13

N

white

U.K.
U, I

M?

Walking

Douglas bag

?

&
45.0

#&
1.00

3.14

&
69.8

*
3.14

WALKING FAST OR UPHILL OR CARRYING A LOAD

4

M

11.0-13.9

N

ladino

Guatemala
U, D

L

Walking, 82 m/min

Douglas bag

14

30.4 4.4

#
0.82 0.05

2.98 0.34

99 12.0

*
3.62

"

"

"

"

"

"

"

Walking, 68 m/min, carrying 6.8 kg

Douglas bag

14

30.4 4.4

#
0.82 0.05

2.92 0.39

97 12.0

3.55

"

"

"

"

"

"

"

Walking uphill, approx. 15 degrees, 56 m/minute

Douglas bag

14

30.4 4.4

#
0.82 0.05

3.38 0.40

112 15.5

4.11

LEISURE TIME, PLAY OF MODERATE INTENSITY

19

M
F

13-14

?

?

USSR
?, I

?

Carpentry

?

11

41

#
0.91

3.00

*
75.0

*
3.30

14

M

13

N

white

U.K.
?, I

?

Playing cricket

Douglas bag

?

&
45.0

#&
1.00

2.50

&
55.6

*
2.50

RUNNING, EXERCISE, SPORTS

17

M

13.5 1.0 (12-14)

N

chinese

Singapore
U, D

U

Running, 6.9-9.9 km/h (mean = 8.5)

K M

14

52.6 9.4

#
1. 09

5.07 0.64

96.3 14.3

*
4.65

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, D

M

Running, 6.9-9.9 km/h (mean = 8.5)

K M

16

31.3 5.6

#
0.83

4.56 0.60

132.3 14.0

*
5.49

18

M

13.0 0.6 (12-14)

N

Dravidian indian

Singapore
U, D

M

Ascending stairs 3 min, and descending 3 min; 16.5 cm high, 100-199 steps min (x =1150) (mean of ascending and descending)

K M

32 in
16 ch.

31.3 5.6

#
0.83

*
3.48 1.06

*
101.6 27.9

*
4.19

16

M

13

N

white

U. K.
?, I

?

Gymnastics

Douglas bag

?

&
45.0

#&
1.00

3.06

&
68.0

*
3.06

"

"

"

"

"

"

"

Quad games

" "

?

&
45.0

#&
1.00

4.75

&
105.6

*
4.75

"

"

"

"

"

"

"

Soccer football

" "






*
5.60

Footnotes:

$ Sex: M = male, F = female. Nutritional status: N = normal, U = underweight, O = obese. Country and region: R = rural, U = urban, D = developing, I = industrialized. Socioeconomic status (SES): L = lower, M = middle, U = upper, n = number of tests or children. BMR = basal metabolic rate. X BMR = multiples of BMR.

* Calculated by B. Torún from authors' data

# BMR calculated from sex and weight according to Schofield et al (FAO/WHO/UNU, 1985, p. 71).

& Weight calculated from sex, age and nutritional status using the NCHS standards (WHO, 1983).

** Authors and year of publication in table 9. Complete bibliographic references et the end of the paper.

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