KIN 121 Lecture Notes - Lecture 23: Muscular System, Menarche, Skeleton
16 Dec 2015
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Document Summary
Humans unique amongst primates: approximately 25% of human life is spent growing, unique intensity of adolescent growth spurt. But the tempo and timing, passing through each stage, is highly variable. Distal parts of the limbs are always in advance of the proximal segments. Development- refers to the complexity and progress. Maturation - physical changes that occur in all healthy growing children, as a. Adaptation: the result of the body"s accommodation or adjustment to an result of internal body processes: e. g. onset of menarche. External processes: e. g. increased muscle mass with training, smoking mother = smaller baby. Adolescence -from onset of puberty to maturity (approximately 5 years) More growth occurs in the femur than in the tibia (55% vs. 2/3 more growth occurs at knee end of long bones versus hip & ankle (67% versus 33%) 2 x height at age 2 = adult height. 5 x weight at age 2 = adult weight.
