SCAMMON’S GROWTH CURVE — GROWTH SPURTS

4 GROWTH SPURTS
1. JUST BEFORE OR AT BIRTH - Most rapid growth in human occur during pre-natal period
2. 1 YEAR AFTER BIRTH
3. PRE-PUBERTAL [GIRLS 5-6YEARS., BOYS 6-8 YEARS]
4. PUBERTY [GIRLS 10-12, BOYS 12-14]
Mandibular growth coincides with 4th growth sprout ie; pubertal
growth


A. Neural — Brain
a. At birth 50%
b. At 4-6 years — 95%
c. So below this age, ie around 3 yrs child will not be able to differentiate colours, tell his name and so.
d. Complete at 15 years age — 100%

B. Genital
a. Begins at 12 years
b. Complete at 18 years

C. Lymphoid / immunity
a. At peak — 200% — 12 years
b. Complete — 100% — 18 years
∴ immunity is highest in children