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Long-Term Athlete

DevelopmentThe Timings and Sequence of Changes DuringAdolescence and the Windows of Trainability

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Aims

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Aims

Indicators of maturity status

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Aims

Indicators of maturity status Adolescent growth spurt

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity Sequence of sexual and somatic maturity

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity Sequence of sexual and somatic maturity

Peak Weight Velocity

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity Sequence of sexual and somatic maturity

Peak Weight Velocity

Growth spurts in performance

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity Sequence of sexual and somatic maturity

Peak Weight Velocity

Growth spurts in performance

Performance relative to menarche

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Aims

Indicators of maturity status Adolescent growth spurt

Sexual maturity Sequence of sexual and somatic maturity

Peak Weight Velocity

Growth spurts in performance

Performance relative to menarche

The windows of trainability

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Indicators of maturity

status

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Indicators of maturity

status

Skeletal

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Indicators of maturity

status

Skeletal

Sexual

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Indicators of maturity

status

Skeletal

Sexual

Somatic

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Indicators of maturity

status

Skeletal

Sexual

Somatic

Dental

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Adolescent growth spurt

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Adolescent growth spurt

Peak Height Velocity: velocity of growth when inreaches its maximum

Most common used indicator of somaticmaturity

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Adolescent growth spurt

Peak Height Velocity: velocity of growth when inreaches its maximum

Most common used indicator of somaticmaturity

Differential timing

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Adolescent growth spurt

Peak Height Velocity: velocity of growth when inreaches its maximum

Most common used indicator of somaticmaturity

Differential timing

Differential tempo

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Adolescent growth spurt

Peak Height Velocity: velocity of growth when inreaches its maximum

Most common used indicator of somaticmaturity

Differential timing

Differential tempo

Individual differences

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Adolescent growth spurt

Peak Height Velocity: velocity of growth when inreaches its maximum

Most common used indicator of somaticmaturity

Differential timing

Differential tempo

Individual differences

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Parameters of PHV

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Parameters of PHV

Age at take off (TO)

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Parameters of PHV

Age at take off (TO) The range among the mean ages at TO is is 2 yearsand 1 year at PHV in girls and boys

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Parameters of PHV

Age at take off (TO) The range among the mean ages at TO is is 2 yearsand 1 year at PHV in girls and boys

TO is between 8.2 & 10.3 years in girls and10.0-12.1 years in boys

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Parameters of PHV

Age at take off (TO) The range among the mean ages at TO is is 2 yearsand 1 year at PHV in girls and boys

TO is between 8.2 & 10.3 years in girls and10.0-12.1 years in boys

PHV is between 11.3 & 12.2 years in girls and 13.3& 14.4 years in boys (European)

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Parameters of PHV

Age at take off (TO) The range among the mean ages at TO is is 2 yearsand 1 year at PHV in girls and boys

TO is between 8.2 & 10.3 years in girls and10.0-12.1 years in boys

PHV is between 11.3 & 12.2 years in girls and 13.3& 14.4 years in boys (European)

TO & PHV occur earlier in girls than in boys, thesex difference is approximately 2 years

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Parameters of PHV

Age at take off (TO) The range among the mean ages at TO is is 2 yearsand 1 year at PHV in girls and boys

TO is between 8.2 & 10.3 years in girls and10.0-12.1 years in boys

PHV is between 11.3 & 12.2 years in girls and 13.3& 14.4 years in boys (European)

TO & PHV occur earlier in girls than in boys, thesex difference is approximately 2 years

Limitations to data

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Sexual maturity

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Sexual maturity

The assessment of sexual maturity is basedupon the development of secondary

characteristics

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Sexual maturity

The assessment of sexual maturity is basedupon the development of secondary

characteristics

Differing assessment- Photos, clinical, self-assessment

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Sexual maturity

The assessment of sexual maturity is basedupon the development of secondary

characteristics

Differing assessment- Photos, clinical, self-assessment

Girls - 9.5 years to 11.5 years

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Menarche

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Menarche

Most commonly reported secondary sexcharacteristic for girls

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S f l d

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Sequence of sexual and

somatic maturit

S f l d

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Sequence of sexual and

somatic maturit Budding of breasts in girls (B2) & initial enlargement ofgenitals in boys (G2) are normally the first signs of sexual

maturity although in some children pubic hairs coincides or

even precedes

S f l d

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Sequence of sexual and

somatic maturit Budding of breasts in girls (B2) & initial enlargement ofgenitals in boys (G2) are normally the first signs of sexual

maturity although in some children pubic hairs coincides or

even precedes

PHV tends to occur earlier in the sequence of puberty forgirls than boys

S f l d

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Sequence of sexual and

somatic maturit Budding of breasts in girls (B2) & initial enlargement ofgenitals in boys (G2) are normally the first signs of sexual

maturity although in some children pubic hairs coincides or

even precedes

PHV tends to occur earlier in the sequence of puberty forgirls than boys

Menarche is a late event in the pubertal sequence, about 1year or more after PHV and when most girls are in B4 &PH4

S f l d

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Sequence of sexual and

somatic maturit Budding of breasts in girls (B2) & initial enlargement ofgenitals in boys (G2) are normally the first signs of sexual

maturity although in some children pubic hairs coincides or

even precedes

PHV tends to occur earlier in the sequence of puberty forgirls than boys

Menarche is a late event in the pubertal sequence, about 1year or more after PHV and when most girls are in B4 &PH4

Variations in the sequence are partly genuine and partly

methodological

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