1913 - Pedagogical Anthropology

Pedagogical Anthropology by Maria Montessori - Montessori Translation Project

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Chapter 11 - Tables Summarizing

Chapter 11 - Tables Summarizing

The Mean Proportions of the Body According To Age

Useful for judging of normal development and incidentally for diagnosing forms of infantilism:

Preceded by figures (from Quétélet) giving the growth of stature in man and in woman (it being well known that the stature is the fundamental measurement for forming the aforesaid judgments).

Age

Males

Females

0

0.496

0.483

1

0.696

0.690

2

0.707

0.780

3

0.860

0.850

4

0.932

0.910

5

0.990

0.974

6

1.046

1.032

7

1.112

1.096

8

1.170

1.139

9

1.227

1.200

10

1.282

1.248

11

1.327

1.275

12

1.359

1.327

13

1.403

1.386

14

1.487

1.447

15

1.559

1.475

16

1.610

1.500

17

1.670

1.544

18

1.700

1.562

19

1.706

1.566

20

1.711

1.570

25

1.722

1.577

30

1.722

1.579

40

1.713

1.555

50

1.674

1.536

60

1.639

1.516

70

1.628

1.514

New-born child

Length of body

0.50 m.

Weight

3 kg.

Maximum cranial circumference

335 mm.

Circumference of thorax

350 mm.

Index of stature

68

Ponderal index

28.8—

Age in years

1

2

3

Stature in metres

0.696

0.797

0.860

Index of stature

65

63

62

Weight in kilograms

10

12

13.21

Ponderal index

30.9

28.7

27.5

Maximum circumference of head in millimetres.

440

471

486

Age in years

4

5

6

Stature in metres

0.932

0.990

1.046

Index of stature

60

59

57

Weight in kilograms

15

16.70

18.04

Ponderal index

26.5

25.8

25.1

Maximum circumference of head in millimetres.

496

503

508

Age in years

7

8

9

Stature in metres

1.112

1.170

1.227

Index of stature

56

55

55

Weight in kilograms

20.16

22.26

24.09

Ponderal index

24.4

24

23.5

Maximum circumference of head in millimetres.

513

519

523

Age in years

10

11

12

Stature in metres

1.282

1.327

1.359

Index of stature

54

53

53

Weight in kilograms

26.12

27.85

31

Ponderal index

23.1

22.8

23.1

Maximum circumference of head in millimetres.

527

531

535

Age in years

13

14

15

Stature in metres

1.403

1.487

1.559

Index of stature

52

52

51

Weight in kilograms

35.32

40.50

46.41

Ponderal index

23.4

23.1

23.1

Maximum circumference of head in millimetres.

539

543

547

Age in years

16

17

18

Stature in metres

1.610

1.670

1.700

Index of stature

51

52

52

Weight in kilograms

53.39

57.40

61.26

Ponderal index

23.4

23.1

23.2

Maximum circumference of head in millimetres.

551

555

561