DevSeq Roberton & Langendorfer

DevSeq Roberton & Langendorfer - Intra-task...

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Click to edit Master subtitle style Intra-task Developmental Sequences: Theory and Application This learning module was created by Stephen Langendorfer, Ph.D., & Mary Ann Roberton, Ph.D. Biomechanics/Motor Behavior Laboratory School of Human Movement, Sport, & Leisure Studies Bowling Green State University Bowling Green, OH 43403
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Developmental Sequences are of two types - inter-task or between-task sequences intra-task or within-task sequences
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Inter-task Development Sequences ....a series of tasks that have been ordered according to the age at which most persons achieve some criterion level of each task . The best known is Mary Shirley’s infant sequence for the acquisition of independent walking Another name for the infant sequence is the “motor milestones” of infancy
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Inter-task Development Sequences Another example is the developmental sequence for foot locomotion. For further information on the foot locomotion developmental sequence , click the underlined words. The rest of this module will deal with intra-task developmental sequences .
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Intra-task Developmental Sequences: Key Points Intra-task developmental sequences are markers of qualitative change in human movement. They are tracked over the lifespan (ideally) or some portion of the lifespan (e.g., childhood). Each qualitative description within an intra- task sequence is known as a “level” or “step.” The occurrence of each level within the sequence is age-related but not age-determined .
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Key Points (cont.) The chance that developmental sequences will occur at any particular point in the lifespan is just that: a chance Developmental sequences are probabilistic, that is, they are based on chance or probabilities.
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Key Points (cont.) Developmental sequences are interesting theoretically because they seem to result from interactions within a dynamic system composed of the person , the task that person is trying to do, and the environment within which they are trying to move.
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Key Points (cont.) Developmental sequences are also interesting from a practical perspective because they are observable markers of change. Click here for more on change either progressive change , as perhaps from the result of instruction, increased fitness, or recovery from injury; or regressive change , perhaps from illness, injury, or aging.
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on the developmental continuum Progression = forward change Regression = backward change These are not judgmental words; they are simply descriptive based upon developmental observation and study. Return
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This note was uploaded on 07/10/2011 for the course KIN 321M taught by Professor Jensen during the Spring '11 term at University of Texas.

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DevSeq Roberton & Langendorfer - Intra-task...

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