U4: puberty Flashcards
pubertal growth spurt lasts longer in girls or boys?
boys
83-89% of ultimate height attained at what age in girls and boys
girls: 11y
boys: 12y
peak height in boys is attained between what ages? when does muscle mass double?
- 13.5-14y
* 10-17y
peak height in girls is attained between what ages?
11.5-12y
pubertal growth spurt occurs _____ sooner in girls than boys
2y
________ maturation correlates _______ (well or poorly) with growth and pubertal development?
- skeletal
* well
in females _____ levels progressively increase and cause maturation of the _______ & _______
- estradiol
- female genital tract
- breast development
in males _______ levels increase more than _____ fold and correlates with ______ stages of puberty and _______ maturation
- testosterone
- 20x
- physical
- skeletal
skeletal maturation correlates well w _____ and ______ development
*growth and pubertal
1st measurable sign of puberty in girls?
*height spurt
development of breast buds occurs between what ages?
*8-11
girls pubescent growth spurt is typically over by age?
*14y
1st measurable sign of puberty in boys? usually occurs btwn what years?
- scrotal and testicular growth
* 10-12y
normal menstruation occurs btwn years
*11-14
average age of menarche
*12.5