Motor Pattern During the Standing Long Jump in Individuals with Mental Retardation

  • Yasuhiro Matsuzaki
  • Tatsuko Hentona
Conference paper


The aim of this study was to investigate the motor pattern during the standing long jump in the mentally retarded. The subjects included 34 elementary pupils and 16 upper secondary students in a school for the mentally retarded, aged 6–12 and 17–18 years, respectively. Their form in the standing long jump was shot with a video camera, and every frame was analyzed with reference to the developmental sequence for the standing long jump proposed by Clark et al. (1985) and Miyamaru (1973). The results showed that the development of arm action while performing the jump tended to occur behind that of leg action. In 10 elementary pupils, practicing the long jump facilitated differentiation between development of arm pattern and leg pattern. In flight, some of the upper secondary students showed a sideward-upward action of the arms although the backward movement of the swung arm was complete at takeoff. The results are discussed in terms of the poor balance of the mentally retarded.


Mental Retardation Down Syndrome Motor Pattern Coordination Pattern Developmental Sequence 
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Copyright information

© Springer-Verlag Tokyo 1994

Authors and Affiliations

  • Yasuhiro Matsuzaki
  • Tatsuko Hentona

There are no affiliations available

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