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Excerpt — Life Span Motor Development 6th Edition With Web Study Guide

Both genetic and extrinsic factors influence normal and abnormal embryonic and fetal growth

The growth process begins the instant an ovum (egg) and spermatozoon fuse in fertilization. Carried out under the control of genes, early development is astonishingly precise. Genes, then, determine the normal aspects of development and inherited abnormal development.

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Understand the development of catching skills

Several manipulative skills are basic to sport performance. In these skills, a performer must gain possession or control of an object by reaching to intercept a moving object or stopping it with an implement.

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Consider and assess posture and balance across the lifespan

Postural control and balance are perfect examples of perception and action as an ecosystem. To control our posture in order to sit, stand, or assume any desired position, we must continually change our motor response patterns according to the perceptual information that specifies the environment and our bodies’ orientation in it.

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