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The adolescent growth spurt PDF

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\o.1' THE UNIVERSITY OF ADELAIDE AUSTBALIA CRUCE The adolescent growth spurt: A study of the growth of Javanese and Gape Goloured 6-18 year olds and several populations from published literature Myrtati Dyah Artaria May 2003 This thesis was undertaken within the Department of Anatomical Sciences at The University of Adelaide in fulfilment of the requirement of the Degree of PhD CONTENTS Page CONTENTS I LIST OF FIGURES LIST OF TABLES xil ABSTRACT XIV Candidate's declaration XVI ACKNOWLEDGEMENTS................. cHAPTERt .............. TNTRODUCTTON .......... l. Background, literature review, material and methods...................'. 1.1. Background of the study 1.2. Literature review........ 1.2.1. Growth in the light of evolution 1.2.2. Growth of humans compared to other animals 1.2.3. The period of growth.... 1.2.4. Factors affecting growth 1.2.4.1. Genetics 1.2.4.1.1. Hormones as an expression of genetic regulation 1.2.4.2. Environment ................. 1.2.4.2.1. Nutrition 1.2.4.2.2. Emotion 1.2.4.2.3. Activity 1.2.4.2.4. Disease and parasites ................ 1.2.4.2.5. Socioeconomic status 1.2.5. Velocity of growth 1.2.5.1 . Definition.... 1.2.5.2. How to measure velocity 1.2.5.3. The velocity of various parts of the body..... 1.2.5.4. The timing and take-off of peak velocity....... 18 1.2.5.5. The variation of peak velocity....... 19 1.2.5.6. The amount of peak growth velocity....... 19 1.2.5.7. The difference between males and females in growth velocity.'.. 20 1.2.5.8. Factors correlated with the velocity of growth 20 1.2.5.8.1. Height and weight status......... 21 1.2.5.8.2. Catch-up growth........ 22 1.2.5.9. Adult height in relation to velocity... 22 1.2.5.10. Adolescent growth velocities in various human populations....'. 22 1.2.6. Menarche... 23 1.2.7. The catastrophe model for regulation of human growth 25 1.2.8. Methods used in growth studies....... 26 1.2.8.1 . Cross-sectional studY 26 1.2.8,2. Longitudinal study......... 27 1.2.8.3. Mixed-longitudinal study.......... 27 1.2.9. The problems of measuring growth velocity.'..... 27 1.2.9.1 . Errors in anthropometry............. 28 1.3. Aims of the study 28 1.4. Null hypotheses............. 32 1.5. Materials and methods................. 33 1.5.1. Javaneseschoolchildren............... 33 1.5.2. CapeColouredschoolchildren.......... 35 1.5.3. Measurements.............. 37 1.5.4. 38 Statistics 1.5.5. Calculation of error and determining the significant peak '."......' 40 cHAPTERil .............. 42 Descriptions and background of the people.. 42 ll. Malang, Cape Town and Klein Karoo 42 11.1. Malang: the land, the culture and the people 42 11.2. Cape Town, Klein Karoo and Cape Coloured people 44 cHAPTER ilr .............. 48 Cross-sectional data and international references............. 48 lll. Javanese schoolchildren in Malang, and Cape Coloured schoolchildren in Cape Town and Klein Karoo 48 lll.1. Javanese children compared to national and international references'..'.......... 49 lll.2. Javanese children compared to South African Cape Coloured children 5B 111.2.1. Time of differentiation between Javanese and urban Cape Coloured boys 66 111.2.2. Time of differentiation between Javanese and urban Cape Coloured girls 67 111.2.3. Time of coincidence between Javanese and Cape Coloured schoolchildren ..'........ 67 lll.3. 77 Discussion cHAPTER rV .............. B1 Mixed-longitudinal data: Javanese and Cape Coloured schoolchildren B1 lV. lncrements of urban and rural Cape Coloured and Javanese schoolchildren.............' B1 ¡V.1. General comparison of increments for urban and rural Cape Coloured and Javanese children 82 |V.1.1. Males 82 |V.1.2. Females 83 |V.2. Height (B*.v) increments of males.....' 85 1V.3. Height (8.--+v) increments of females 88 1V.4. Weight increments of males 91 ll 1V.5. females Weight increments of ........... 94 1V.6. Upper limb length (a.-da) increments of males..... .................97 1V.7. Upper limb length (a.'da)increments of females.. ................'100 lV.B. Trunk length (sst.-sy)increments of males..... ...................... 103 1V.9. Trunk length (sst.-sy) increments of females.. ...................... '106 1V.10. Lower limb length (B*sy)increments of males..... ............... 109 lv.l1. Lower limb length (B++sy) increments of females.. ...............112 |V.12. Humerus biepicondylar breadth increments of males..... ......115 1V.13. Humerus biepicondylar breadth increments of females.. ...... 118 1V.14. Shoulder breadth (a.*a) increments of males .......................121 1V.15. Shoulder breadth (a.*a) increments of females ....................123 1V.16. Chest circumference increments of males ......... 126 1V.17. fema|es................. Chestcircumference increments of ........129 1V.18. Arm circumference increments of ma1es......... ...132 1V.19. Arm circumference increments of females.. .......135 1V.20. Skinfold thickness increments of males ............. 138 lV.21. Skinfold thickness increments of females ..........146 1V.22. males Grip strength increments of ...................... 154 1V.23. females ................... Grip strength increments of ...................157 |V.24. Comparison of relative growth rates of urban and rural Cape Coloured and Javanese schoolchildren............... ....................160 1V.25. Discussion ..................... 170 CHAPTER V .............. .....174 Longitudinal data .......... ....174 The characteristics of height increments: Data from Cape Coloured schoolchlldren (South Africa) cHAPTER Vl .............. Height averages from published literature Vl. Height increments considering year and location factors ..... V|.1. America V|.1.1. The United States of America V1.2. 4sia............ V1.2.1. Japanese V1.3. Europe V|.3.1. Germany.... V|.3.2. France V1.3.3. Poland........ V|.3.4. TheNetherlands.......... V|.4. 4frica.......... V1.5. Australia..... llt Vl.5.1. AustralianAborigines 204 V|.6. Discussion 206 cHAPTER Vil .............. 211 General discussion and summary...... 211 BtBL|OGRAPHY........... 226 LIST OF FIGURES Page Figure 1 The stages of life (Bogin and Smith 2000). PIA= Pan and Australopithecus afarensls, Aa = Australopithecus africanus, Hh = Homo habilis, He1 = early Homo erectus, He2= late Homo erectus, Hs= Homo saprens (Copyright Wiley- Liss lnc.). 2 Figure 2. The complexity of factors affecting child growth 10 Figure 3. The human growth catastrophe model. Source: Bogin 1980 cit. Bogin 1988:215. Copyright Cambridge University Press ......... 26 Figure 4. The names and location of the schools visited for anthropometric measurements in the city of Malang (Copyright Seksi Penerbitan 50 Tahun Kotapradia Malang) ... 34 Figure 5. lllustrations of the anthropometric measurements used in this study 37 Figure 6. Palpating the points for measuring the breadth of elbow (humerus biepicondylar breadth). Source: personal collection.... 37 Figure 7. Javanese schoolchildren waìting to be measured. Source: personal collection....... 38 Figure 8. Map of lndonesia and the location of Malang in East Java. Modified from source: lnformation Technology Associates (lTA), www.theodora.com/maps/new/l ndonesia_maps. htm1.............. 42 Figure 9. The location of South Africa. Source: Omer-Cooper 1987 45 Figure 10. The distribution of Cape Coloured among other groups in South Africa. Source: Nurse et al. 1985 46 Figure 11. Topography of South Africa. Source: Nurse et al. 1985. Notice the location of Swartberg. Klein Karoo is located to the south of Swartberg................. 47 Figure 12. Height of Javanese males compared to 5'h, sOth, and gSthNHANES reference ........ 51 Figure 13. Height of Javanese females compared to 5th, 50'h, and gSthNHANES reference ..... 51 Figure 14. Weight of Javanese males compared to sth, 50th, and gSthNHANES reference ....... 52 Figure 15. Weight of Javanese females compared to sth, 50th, and gsthNHANES reference .... 52 Figure 16. lndividual's plots of weight-for-height. Javanese males compared to sth, soth, and gsthNHANES reference 53 Figure 17 lndividual's plots of weight-for-height. Javanese females compared to sth, 50'h, and gsthNHANES reference ............... 53 Figure 18. lndividual's plots of weight-for-height. Javanese males compared to 3'd, 5oth, and 97th KMS (lndonesian growth reference) 54 Figure 19 lndividual's plots of weight-for-height . Javanese females compared to 3'd, 50th, and 97th KMS (lndonesian growth referer ce) ............. 54 Figure 20. Triceps skinfold thickness averages of Javanese males compared to sth, 50th, and 95th NHANES reference 56 Figure 21 Triceps skinfold thickness averages of Javanese females compared to 5'h, 50th, and 95th NHANES reference 56 Figure22. Subscapular skinfold thickness averages of Javanese males compared to 5th, 50th, and g5th NHANES reference 58 Figure 23. Subscapular skinfold thickness averages of Javanese females compared to Srh, 50th, and 95th NHANES reference 5B Figure 24. Height averages of Javanese males compared to South African Cape Coloured males 60 Figure 25. Height averages of Javanese females compared to South African Cape Coloured females 60 Figure 26 Weight averages of Javanese males compared to South African Cape Coloured males ... 61 Figure 27. Weight averages of Javanese females compared to South African Cape Coloured females ...61 Figure 28 Trunk length averages of Javanese males compared to South African Cape Coloured males ... 63 Figure 29 Trunk length averages of Javanese females compared to South African Cape Coloured females ... oJ Figure 30. Upper limb length averages of Javanese males compared to South African Cape Coloured males ...64 Figure 31. Upper limb length averages of Javanese females compared to South African Cape Coloured females ...65 Figure 32. Lower limb length averages of Javanese males compared to South African Cape Coloured males ...66 Figure 33. Lower limb length averages of Javanese females compared to South African Cape Coloured females ...66 Figure 34. Humerus biepicondylar breadth averages of Javanese males compared to South African Cape Coloured males ... 68 Figure 35. Humerus biepicondylar breadth averages of Javanese females compared to South African Cape Coloured females ...69 Figure 36. Shoulder breadth averages of Javanese males compared to South African Cape Coloured males ...70 Figure 37. Shoulder breadth averages of Javanese females compared to South African Cape Coloured females ...7 1 Figure 38. Chest circumference averages of Javanese males compared to South African Cape Coloured males... ...72 Figure 39. Chest circumference averages of Javanese females compared to South African Cape Coloured females ...72 Figure 40. Arm circumference averages of Javanese males compared to South African Cape Coloured males... ...73 Figure 41. Arm circumference averages of Javanese females compared to South African Cape Coloured females ...73 Figure 42. Triceps skinfold thickness averages of Javanese males compared to South African Cape Coloured males ...73 Figure 43. Triceps skinfold thickness averages of Javanese females compared to South African Cape Coloured females ...73 Figure 44. Subscapular skinfold thickness averages of Javanese males compared to South African Cape Coloured males ...74 Figure 45. Subscapular skinfold thickness averages of Javanese females compared to South African Cape Coloured females ...74 Figure 46. Abdominal skinfold thickness averages of Javanese males compared to South African Cape Coloured males ...74 Figure 47. Abdominal skinfold thickness averages of Javanese females compared to South African Cape Coloured females .74 Figure 48. Grip strength averages of Javanese males compared to South African Cape Coloured males 77 vl Figure 49 Grip strength averages of Javanese females compared to South African Cape Coloured females .......77 Figure 50. Absolute height increments of males ....... 86 Figure 51. Relative height increments of males ....... 86 Figure 52. Cumulative height increments of males .......88 Figure 53. Absolute height increments of females ....... 89 Figure 54. Relative height increments of females .......90 Figure 55. Cumulative height increments of females .......91 Figure 56. Absolute weight increments of males..... .......92 Figure 57. Relative weight increments of males..... .......93 Figure 58. Cumulative weight increments of males..... .......94 Figure 59. Absolute weight increments of females.. .......95 Figure 60. Relative weight increments of females.. .......96 Figure 61. Cumulative weight increments of females.. .......97 Figure 62. Absolute upper limb length increments of males .......98 Figure 63. Relative upper limb length increments of males .......99 Figure 64. Cumulative upper limb length increments of males ..... 100 Figure 65. Absolute upper limb length increments of females ..... 101 Figure 66. Relative upper limb length increments of females .....102 Figure 67. Cumulative upper limb length increments of females .....102 Figure 68. Absolute trunk length increments of males .....104 Figure 69. Relative trunk length increments of males ..... 105 Figure 70. Cumulative trunk length increments of males ..... 105 Figure 71. Absolute trunk length increments of females ..... 106 Figure72. Relative trunk length increments of females ..... 108 Figure 73. Cumulative trunk length increments of females ..... 108 Figure 74. Absolute lower limb length increments of males ..... 1 10 Figure 75. Relative lower limb length increments of males ,.....111 Figure 76. Cumulative lower limb length increments of males..... ......112 Figure 77. Absolute lower limb length increments of females.. ......112 Figure 78. Relative lower limb length increments of females ,.....113 Figure 79. Cumulative lower limb length increments of females ......114 Figure 80. Absolute humerus biepicondylar breadth increments of males ......116 Figure 81. Relative humerus biepicondylar breadth increments of males ......117 Figure 82. Cumulative humerus biepicondylar breadth increments of males ......117 Figure 83. Absolute humerus biepicondylar breadth increments of females ...... '118 Figure 84. Relative humerus biepicondylar breadth increments of females ......120 Figure 85. Cumulative humerus biepicondylar breadth increments of females ......120 Figure 86. Absolute shoulder breadth increments of males..',. ......122 vlt Figure 87. Relative shoulder breadth increments of males..... ...122 Figure 88. Cumulative shoulder breadth increments of males ...123 Figure 89. Absolute shoulder breadth increments of females.. ...124 Figure 90. Relative shoulder breadth increments of females.. ...125 Figure 91. Cumulative shoulder breadth increments of females.. ...126 Figure 92. Absolute chest circumference increments of males..... ...127 Figure 93. Relative chest circumference increments of males..... ...128 Figure 94. Cumulative chest circumference increments of males..... ...129 Figure 95. Absolute chest circumference increments of females.. ... 130 Figure 96. Relative chest circumference increments of females.. ... 131 Figure 97. Cumulative chest circumference increments of females.. ...132 Figure 98. Absolute arm circumference increments of males ... 133 Figure 99. Relative arm circumference increments of males ...134 Figure 100, Cumulative arm circumference increments of males ... 135 Figure 101. Absolute arm circumference increments of females ... 136 Figure 102. Relative arm circumference increments of females ....137 Figure 103. Cumulative arm circumference increments of females ,... 138 Figure 104. Absolute triceps skinfold thickness increments of males ....141 Figure 105. Absolute subscapular skinfold thickness increments of males ....141 Figure 106. Absolute abdominal skinfold thickness increments of males ....142 Figure 107. Relative triceps skinfold thickness increments of males ....143 Figure 108. Relative subscapular skinfold thickness increments of males ....144 Figure 109. Relative abdominal skinfold thickness increments of males ....144 Figure 110. Cumulative triceps skinfold thickness increments of males ....145 Figure 111. Cumulative subscapular skinfold thickness increments of males ......... ....145 Figure 112. Cumulative abdominal skinfold thickness increments of males ....146 Figure I 13. Absolute triceps skinfold thickness increments of females ....149 Figure 114. Absolute subscapular skinfold thickness increments of females .... 150 Figure 115. Absolute abdominal skinfold thickness increments of females .... 150 Figure 116. Relative triceps skinfold thickness increments of females ....152 Figure 1 17. Relative subscapular skinfold thickness increments of females ....152 Figure 118. Relative abdominal skinfold thickness increments of females ....152 Figure 1 19. Cumulative triceps skinfold thickness increments of females .... 154 Figure 120. Cumulative subscapular skinfold thickness increments of females...... ....154 Figure 121 . Cumulative abdominal skinfold thickness increments of females......... ....154 Figure 122. Absolute grip strength increments of males .... 155 Figure 123. Relative grip strength increments of males .... 156 Figure 124. Cumulative grip strength increments of males ....157 Figure 125. Absolute grip strength increments of females .... 158 vlU Figure 126. Relative grip strength increments of females ... 159 Figure 127. Cumulative grip strength increments of females ... 159 Figure 128. Comparisons of skinfold thicknesses, weight, length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured males 162 Figure 129. Comparisons of skinfold thicknesses, weight, length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured females 163 Figure 130. Comparisons of weight, length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured males 164 Figure 131. Comparisons of weight, length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured females 165 Figure 132. Comparisons of length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured males ...'166 Figure 133. Comparisons of length, breadth and circumference measurements in Javanese and urban and rural Cape Coloured females 167 Figure 134. Comparisons of length and breadth measurements in Javanese and urban and rural Cape Coloured males .. 168 Figure 135. Comparisons of length and breadth measurements in Javanese and urban and rural Cape Coloured females 169 Figure 136. Height increments of urban Cape Coloured males derived from longitudinal data Zero (0) is the year when the peak of height velocities occurred 175 Figure 137. Height increments of rural Cape Coloured males derived from longitudinal data. Zero (0) is the year when the peak of height velocities occurred 176 Figure 138. Height increments of urban Cape Coloured females derived from longitudinal data. Zero (0) is the year when the peak of height velocities occurred ...177 Figure 139. Height increments of rural Cape Coloured females derived from longitudinal data. Zero (0) is the year when the peak of height velocities occurred 177 Figure 140. The averages of height increments of urban and rural Cape Coloured males. Zero (0) is the year when the peak of height velocities occurred ..178 Figure 141. The averages of height increments of urban and rural Cape Coloured females. Zero (0) is the year when the peak of height velocities occurred 178 Figure 142. The averages of increments of Cape Coloured males who had a significant peak, and who did not have a significant peak. Zero (0) is the year when the peak of height velocities occurred ................ 181 Figure 143. The averages of increments of Cape Coloured females who had a significant peak, and who did not have a significant peak. Zero (0) is the year when the peak of height velocities occurred 181 Figure144. Heightaveragesof USmales. Sources: (1)Boasl896cit.Martin 1928,(2) Simmons and Todd 1938; (3) Frisancho 1990........... 186 Figure 145. Height increments of US males. Sources: adapted from (1) Boas 1896 cit. Martin lgZe; (2) Simmons and Todd tg38; (3) Frisancho 1990........... 186 Figure 146, Height averages of US females. Sources: (1 ) Simmons and Todd 1938; (2) Frisancho 1 990........... 187 Figure 147 Height increments of US females. Sources: adapted from (1) Boas 1896 cit. Martin 1928; (2) Simmons and Todd t gg8; (3) Frisancho 1990 ........... ..187 Figure 148. Height averages of Japanese males. Source: Ali et al. 2000 .......... .. 189 Figure 149. Height increments of Japanese males. Source: adapted from Ali et al. 2000 .. 189 IX

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Background, literature review, material and methods. There is an indication from the published literature that height averages have intestines, the lymphoid tissues of the tonsils, the reproductive organs, brain blindness and the age atmenarche in Johannesburg Chinese school children. S Afr.
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